Privacy Policy

Privacy Policy - Fastic

Last updated: 12 October 2026

Contents

  • I. Controller and scope
  • II. Data processing on the websites and in the app
  • III. Use of the Fastic App
  • IV. Health and fitness data
  • IV a. Use of the websites web.fastic.com and www.fastic.com
  • V. AI-supported features
  • VI. Paid subscriptions and payment processing
  • VII. Health insurance reimbursement (courses under Section 20 SGB V)
  • VIII. Analytics, marketing, attribution and advertising
  • IX. Communication (push, email, SMS, post)
  • X. Partner integrations
  • XI. Transfers to third countries
  • XII. Retention periods, deletion and blocking
  • XIII. Rights of data subjects

I. Controller and scope

1. Controller

The controller within the meaning of the GDPR is:

Fastic GmbH
Pappelallee 78/79
10437 Berlin
Germany

Email: datenschutz@fastic.com
Postal address for data protection matters: Fastic GmbH, Data Protection Officer, Pappelallee 78/79, 10437 Berlin

The mandatory information pursuant to Section 5 DDG (legal notice) is permanently available in the Fastic App in the menu "Settings β†’ Legal" and on www.fastic.com at /impressum.

Data Protection Officer

You can contact our Data Protection Officer directly, for example regarding particularly sensitive matters, as follows:

External Data Protection Officer
ePrivacy GmbH
represented by Prof. Dr. Christoph Bauer
Bei den MΓΌhren 5, 20457 Hamburg

If you have any questions about the processing of personal data, requests for access, rectification or erasure, or wish to withdraw your consent, you can contact us at any time by email at datenschutz@fastic.com or by post at the address above.

2. Scope of this privacy policy

This privacy policy applies to the following services of Fastic GmbH:

  • the Fastic App for iOS and Android
  • our marketing and information website at www.fastic.com
  • our onboarding and subscription website at web.fastic.com

Where a particular processing operation takes place exclusively for one of these services, this is indicated in the relevant section.

A separate privacy policy applies to the course platform of the online prevention course at kurs.fastic.com, which can be viewed there. Booking, payment, dunning and health insurance reimbursement for the course are described in sections VI and VII of this privacy policy. Separate privacy notices apply to the Movina app.

II. Data processing on the websites and in the app

1. Log files when accessing the website and the app

When you visit our websites www.fastic.com and web.fastic.com or use the Fastic App, the following access data is collected automatically:

  • IP address (truncated, unless you have consented to further processing)
  • date and time of access
  • content accessed / API endpoint
  • type and version of the device, browser or app
  • operating system
  • referrer URL (on the website)
  • for mobile access: app version, build number, language, time zone, device model

On web.fastic.com, we derive your country, region and city from your IP address in order to display the appropriate language, prices and currency. We store these values in cookies (fastic_country, fastic_region, fastic_city) for 30 days.

Purpose: ensuring operation, error analysis, defence against attacks, country-specific display.
Legal basis: Art. 6(1)(f) GDPR (legitimate interest in a secure and functioning service); Section 25(2) no. 2 TDDDG. In the event of security-related incidents, the data may be analysed in a personally identifiable form.
Retention period: log files are generally deleted automatically within up to 30 days, unless security-related events require longer storage.

2. Contact, termination and withdrawal

Creator enquiries (www.fastic.com/de/creator): name, email, creator platform, username, reach, message. The data is transmitted to our own backend (Firebase Cloud Functions, region europe-west1) and used to process your enquiry. Legal basis: Art. 6(1)(f) GDPR.

Email enquiries: data needed to answer your enquiry, linked to your customer account where applicable. Legal basis: Art. 6(1)(f) GDPR; for contract-related enquiries Art. 6(1)(b) GDPR. To handle enquiries, we use the services of Google Workspace and Freshdesk (customer support system of Freshworks Inc., USA, Standard Contractual Clauses). To pre-sort and answer support requests, we use an AI model of OpenAI, L.L.C. (USA, Standard Contractual Clauses).

Termination and withdrawal form (www.fastic.com/contract-revocation): user ID (optional), first and last name, address, email address, feedback, language. The data is transmitted to our own backend (Firebase Cloud Functions, region europe-west1). Legal basis: Art. 6(1)(b) and (c) GDPR (contract handling, Section 312k BGB).

3. Hosting and IT service providers

The Fastic App and our websites are operated predominantly on cloud infrastructure in the European Union. We use:

  • Google Firebase / Google Cloud Platform (region europe-west1, Belgium): authentication, database (Firestore), file storage, Cloud Functions, push delivery. A data processing agreement (DPA) has been concluded with Google Ireland Ltd.
  • Vercel Inc. (USA, Standard Contractual Clauses): hosting of our websites www.fastic.com and web.fastic.com. Delivery to European users takes place predominantly from European data centres.
  • Cloudflare, Inc. (USA, Standard Contractual Clauses): image storage in Cloudflare R2 with EU data residency (meal photos, profile pictures, audio content) and provision of video uploads via Cloudflare Stream.
  • Elastic (Elasticsearch B.V., Netherlands; obtained via DoiT International DACH GmbH; operated in Google Cloud, region europe-west1): food and recipe search in the app; your search terms are processed.
  • Internal communication and collaboration tools (including Slack Technologies, LLC, USA, EU-U.S. Data Privacy Framework): internal coordination, e.g. for handling support requests.
  • Tableau (Salesforce, Inc., USA, EU-U.S. Data Privacy Framework or Standard Contractual Clauses): analysis and visualisation of aggregated or pseudonymised usage data.
  • DoiT International DACH GmbH (Germany): contract management for Google Cloud (reseller); access to contract and technical account data.

Where data is transferred to the USA, this is based on the EU-U.S. Data Privacy Framework or the EU Standard Contractual Clauses and, where necessary, supplementary technical measures (encryption). Legal basis: Art. 6(1)(f) GDPR and, for contractual services, Art. 6(1)(b) GDPR.

4. Our presence on social networks

We operate profiles on social networks (Instagram, Facebook, TikTok and YouTube). When you visit our profiles or interact with our posts (e.g. like, comment, send messages), we process the content and your username in order to communicate with you and operate our profiles.

The following applies to Instagram and Facebook (Meta Platforms Ireland Ltd., Merrion Road, Dublin 4, Ireland): Meta provides us with statistical analyses of the use of our profiles ("Insights"). We are joint controllers with Meta for the processing related to these statistics (Art. 26 GDPR). In an agreement, Meta has undertaken to assume primary responsibility for this processing and to fulfil your data subject rights; the agreement is available at https://www.facebook.com/legal/terms/page\_controller\_addendum. We have no influence on any other data processing by the operators of the networks; further information can be found in the privacy notices of the respective network. Data may also be transferred to the USA in this context (EU-U.S. Data Privacy Framework or Standard Contractual Clauses).

Legal basis: Art. 6(1)(f) GDPR (legitimate interest in communicating with prospective customers and users and in presenting our services).

III. Use of the Fastic App

1. Onboarding questionnaire before a customer account is created

When you first start the Fastic App, you complete an onboarding questionnaire. Its purpose is

  • to calculate your individual fasting plan and your calorie/nutrient targets (Mifflin-St Jeor formula, among others),
  • to show you suitable content, recipes and coaching recommendations,
  • to give you a forecast for reaching your goal,
  • to then offer you a suitable subscription.

The data collected includes, among other things:

  • gender, date of birth / age, height, current weight, target weight
  • nickname (optional)
  • general information on fitness, working hours, experience with weight loss and fasting, eating habits, motivation
  • Special categories of personal data (Art. 9 GDPR): existing conditions, pre-existing conditions (including eating disorders), allergies, intolerances, pregnancy.

Legal basis:

  • for non-sensitive data: Art. 6(1)(b) GDPR (steps taken at your request prior to entering into a contract).
  • for health/medical condition/pregnancy data and allergies: your consent pursuant to Art. 9(2)(a) GDPR. Answering these questions is voluntary - you can skip individual questions or the entire health-related section. By deliberately answering, you consent to the processing of the data you provide for the purposes stated above. You can withdraw your consent at any time with effect for the future by contacting us at datenschutz@fastic.com or by deleting your account.

After you complete the questionnaire, a pseudonymous customer profile is created so that you can use the free basic features immediately. This profile contains only the information you provided during onboarding and a technical device identifier, but neither your name nor your contact details. You can discard the profile at any time by uninstalling the app.

2. Registration of the customer account

You can permanently register the automatically created profile in the following ways. In all cases, we process the data to provide the user agreement (Art. 6(1)(b) GDPR).

a) Registration by email
You receive a confirmation email with a sign-in link (magic link); no password is requested. Data processed: email address, token metadata, timestamp.

b) Registration via Google login
You sign in with your existing Google account. Google transmits to us: Google account ID, email address, display name, profile picture URL. Provider: Google Ireland Ltd. (EU); for users outside the EU, Google LLC (USA). We do not receive any Google login credentials.

c) Registration via Apple Sign In
You sign in with your Apple ID. Apple transmits to us: anonymised Apple user ID, optionally your email address (also possible via Apple's "Hide My Email" relay address), name (only at first login). Provider: Apple Distribution International Ltd. (Ireland).

d) Registration via Facebook login
You sign in with your Facebook account. Meta transmits to us: Facebook ID, email address, public profile information (name, profile picture), username. If the connection is removed in Facebook, the access token becomes invalid. Provider: Meta Platforms Ireland Ltd. (EU), Meta Platforms Inc. (USA).

e) Registration via telephone number
You enter your telephone number and receive a one-time PIN (OTP) by SMS via Firebase Authentication. Data processed: telephone number, SMS delivery metadata, time of verification.

For all sign-in methods, the data is stored in the EU Firebase Authentication instance.

3. Use of the app and storage of your profile

While you use the app, we store:

  • usage history (login times, progress, streaks, achievements, level)
  • selected app settings, language, theme, reminders
  • A/B test assignment and active feature flags
  • content you create yourself (meals, notes, mood entries, water intake, steps, workouts, fasting times, meal photos, meal descriptions recorded by voice input, profile picture)
  • search terms in the food and recipe search
  • push tokens (FCM, APNS) for sending notifications

Legal basis: Art. 6(1)(b) GDPR for the performance of the user agreement (free and paid features) and Art. 6(1)(f) GDPR for improving usability. For the processing of your meal photos and voice inputs, see section V (AI features).

4. Lock screen displays / Live Activities

During an active fasting phase, we can display the remaining progress on your lock screen (iOS Live Activities, Android notifications). By default, this display is only active if you have started a fasting phase, and it can be disabled in the device settings. Legal basis: Art. 6(1)(b) GDPR.

IV. Health and fitness data

At your express request, the Fastic App can import health and fitness data from external platforms and write data back to them. A connection is only established after your express consent (Art. 9(2)(a) GDPR) and the respective system permission.

Integration via Vital

All health and fitness data is processed via the Vital service (Tryvital, Inc., USA; EU data residency active) as a unified integration layer. Vital acts as our processor (DPA concluded, Standard Contractual Clauses for transfers to the USA). The following sources can be connected via Vital:

  • Apple HealthKit (iOS) - Apple Distribution International Ltd. (Ireland)
  • Google Health Connect (Android) - Google Ireland Ltd.
  • Fitbit, Oura, Strava, Whoop, Withings, Garmin - respective providers

Data categories processed (depending on the connection)

Sleep, weight, step, hydration, calorie expenditure and workout data. We do not use data from health platforms for advertising and do not pass it on to advertising services.

Legal basis: express consent pursuant to Art. 9(2)(a) GDPR. You can disconnect at any time in the app settings or in the respective source system. Disconnecting only takes effect for the future.

IV a. Use of the websites web.fastic.com and www.fastic.com

The website web.fastic.com serves as an independent onboarding and subscription platform. Users typically reach web.fastic.com directly via online marketing and there complete - independently of the app - a full onboarding process up to the purchase of a subscription. Downloading the Fastic App is only recommended after purchase.

1. Onboarding questionnaire on web.fastic.com

The onboarding questionnaire on web.fastic.com corresponds in content to the app questionnaire described in section III.1. The same data categories are collected - including special categories of personal data under Art. 9 GDPR (medical conditions, allergies, intolerances, pregnancy) - and the same legal bases apply as described there. You can withdraw your consent by email to datenschutz@fastic.com or by deleting your account.

The data collected in the questionnaire is stored continuously - i.e. while you are filling it in - in Firebase (Firestore, region europe-west1) under a pseudonymous user ID. This user ID is stored in the local browser storage (IndexedDB) and is retained even after the browser is closed until you actively delete the browser storage. After registration, the questionnaire answers are linked to the permanent customer account. Without registration, the profile contains only the questionnaire answers and the technical user ID. You can remove it at any time by deleting the browser data for web.fastic.com. Unregistered profiles that are not converted into a registered customer account within 30 days are deleted automatically.

2. Sign-in and authentication

Sign-in on web.fastic.com takes place exclusively via a sign-in link sent by email (magic link) or via a single-use code. Data processed: email address, authentication token, timestamp. Legal basis: Art. 6(1)(b) GDPR.

3. Subscription purchase and payment processing

On web.fastic.com, subscriptions can be purchased and existing subscriptions managed (renewal, cancellation, dunning). The data processed and the payment service providers used correspond to section VI.

4. Marketing settings and SMS unsubscription

In the logged-in area of web.fastic.com (Profile β†’ Settings), you can manage your consent to email and SMS marketing and unsubscribe from SMS notifications. Data processed: email address or telephone number, selected preference, timestamp of the change. Legal basis: Art. 6(1)(a) GDPR (management of your consent) and Art. 6(1)(f) GDPR (proof of consent and unsubscription).

5. Embedded videos

On individual pages of www.fastic.com, we embed videos from YouTube (Google Ireland Ltd.) and TikTok (TikTok Technology Limited, Ireland). When a video is loaded, the respective provider receives, for technical reasons, your IP address as well as device and browser information; data may be transferred to the USA in this context. Legal basis: Art. 6(1)(f) GDPR (legitimate interest in an appealing presentation of our services).

V. AI-supported features

The Fastic App offers AI-supported features such as the automatic recognition of meals from photos, voice inputs and text inputs. For this purpose, we transmit input data to external AI providers that act as our processors:

  • Anthropic, PBC (USA, Standard Contractual Clauses) - nutritional analysis.
  • OpenAI, L.L.C. (USA, Standard Contractual Clauses) - meal recognition and nutritional analysis.
  • Google Ireland Ltd. (Vertex AI / Gemini) - meal recognition, content generation.

Data transmitted, depending on the feature: meal photo, transcript of your voice input (the conversion into text is carried out by the speech recognition of your operating system, e.g. from Apple or Google), meal description, ingredients, contextual information from your profile (e.g. age, gender, weight, goal) to improve recognition.

Legal basis: Art. 6(1)(b) GDPR (provision of the booked feature). Where health context is also transmitted, the processing is based on your consent pursuant to Art. 9(2)(a) GDPR.

VI. Paid subscriptions and payment processing

When you book a paid subscription, we process the following, depending on the payment method:

  • first and last name, salutation where applicable
  • email address
  • postal address (for invoicing / health insurance reimbursement)
  • telephone number (optional)
  • payment data (card brand, last 4 digits, expiry date; or IBAN and SEPA mandate; or PayPal billing agreement ID)
  • shopping cart, selected plan, country, currency, promotional code

When you enter your address on web.fastic.com, we suggest matching addresses. For this purpose, we transmit your input to the Google Places API (Google Ireland Ltd.).

Legal basis: Art. 6(1)(b) GDPR (performance of the contract); for address suggestions Art. 6(1)(f) GDPR.

Payment service providers / stores

Depending on the payment method you choose, your payment data is transmitted directly to the payment service provider or app store:

  • Apple In-App Purchase - Apple Distribution International Ltd. (Ireland)
  • Google Play Billing - Google Ireland Ltd.
  • Stripe Payments Europe Ltd. (Ireland) - credit card, SEPA, Klarna, Apple Pay, Google Pay, bank transfer setup
  • PayPal (Europe) S.Γ  r.l. et Cie, S.C.A. (Luxembourg)
  • SEPA direct debit - directly via our bank or via GoCardless SAS (France), including for subscriptions with a fixed term and payment in instalments and for the prevention course
  • RevenueCat, Inc. (USA, Standard Contractual Clauses) - subscription management; data transmitted: pseudonymous user ID, IDFA/GAID (with consent), AppsFlyer ID, push token, email, purchase events.

Apple and Google receipts are sent to the Apple App Store Server API or the Google Play Developer API for verification.

Payment reminders, dunning and debt collection

If a payment is not made - for subscriptions as well as for the prevention course - we remind you by email, by SMS (if we have your telephone number; sent via smsapi.pl, Poland) and, where applicable, by letter. To send physical letters, we use Pingen AG (Switzerland; adequacy decision of the European Commission), which forwards the letters to local postal service providers, and Deutsche Post AG (E-POST) (Germany). If payment arrears persist, we transmit the data required to enforce the claim (name, address, email address, contract and claim data) to Debtist GmbH or Collectia Group GmbH (debt collection).

Legal basis: Art. 6(1)(b) GDPR (contract handling) and Art. 6(1)(f) GDPR (legitimate interest in enforcing outstanding claims).

VII. Health insurance reimbursement (courses under Section 20 SGB V)

For prevention courses eligible for funding under Section 20 SGB V, we offer the option of submitting a reimbursement application to your statutory health insurer. For this purpose, we process:

  • name, address, date of birth
  • name of the health insurer
  • IBAN and SEPA mandate (usually processed directly via our bank; or via GoCardless SAS)
  • certificate of participation and invoice (archived via Google Drive)
  • where applicable, sending of physical letters (see section VI, Payment reminders, dunning and debt collection)
  • ablefy (ablefy GmbH, Berlin) - provision of individual prevention courses on the ablefy course platform; name and email address are transmitted to set up your course access, and ablefy reports your course completion back to us

Legal basis: Art. 6(1)(b) GDPR (contract), Art. 6(1)(c) GDPR (statutory retention obligations) and Art. 6(1)(f) GDPR (enforcement of claims).

VIII. Analytics, marketing, attribution and advertising

1. Cookies, similar technologies and consent management

What are cookies?

Cookies are small text files that are stored on your device when you visit a website or use an app. Similar technologies such as local storage, session storage and IndexedDB perform comparable functions. We use these technologies for the following purposes:

  • Strictly necessary: authentication (Firebase Auth token, session cookie), storage of your language and country settings and of your consent choice. This processing does not require consent (Section 25(2) TDDDG).
  • Subject to consent: the analytics, marketing, attribution and advertising services marked "yes" in the "Consent" column in sections VIII.2 to VIII.6. These are only activated after your consent.

You can delete cookies and local storage data at any time in your browser settings. Please note that deleting strictly necessary cookies may impair the functionality of our services.

Our consent and preference centres (CMP)

Before carrying out the processing subject to consent described in this section VIII, we obtain your consent via our consent and preference centres.

Legal basis: Art. 6(1)(a) GDPR (consent) in conjunction with Section 25(1) TDDDG (storing or accessing information on end devices).

The specific implementation differs depending on the service:

A) In the Fastic App

In the Fastic App, we use the Google User Messaging Platform (UMP) of Google Ireland Ltd., Gordon House, Barrow Street, Dublin 4, Ireland. It is part of our advertising stack and complies with the IAB Europe Transparency & Consent Framework (TCF) version 2.2.

a) What the TCF is and how it works

The TCF is an industry-wide standard of the Interactive Advertising Bureau (IAB) Europe with which advertising and analytics providers uniformly declare their processing purposes and legal bases. The list of participating vendors is the so-called Global Vendor List (GVL), which is maintained and regularly updated by IAB Europe.

When you use our app for the first time in a country of the European Economic Area or in the United Kingdom, or when the GVL has been updated, the consent banner is displayed to you automatically. There you can decide individually for each processing purpose and each vendor whether you consent.

Your choice is stored on your device in a standardised TCF string and read automatically by all participating vendors so that they respect your choice.

b) Number of listed vendors

The banner displays several hundred vendors per processing purpose (as of 2026: around 1,000 vendors in the GVL in total). This list includes all vendors registered with IAB Europe that could theoretically participate in an ad auction via our advertising mediation. The fact that a vendor appears in the list does not mean that this vendor receives data from you. Data is only transmitted if (1) you have consented and (2) the vendor is actually involved in an ad served to you. The direct recipients relevant in practice are the services named individually below (sections VIII.2 to VIII.6).

c) Processing purposes (TCF purposes)

TCF v2.2 distinguishes the following standardised purposes:

No. Purpose Typical legal basis according to the vendor
1 Store and/or access information on a device Consent
2 Use limited data to select advertising Consent or legitimate interest
3 Create profiles for personalised advertising Consent
4 Use profiles to select personalised advertising Consent
5 Create profiles to personalise content Consent
6 Use profiles to select personalised content Consent
7 Measure advertising performance Consent or legitimate interest
8 Measure content performance Consent or legitimate interest
9 Apply market research to generate audience insights Consent or legitimate interest
10 Develop and improve services Consent or legitimate interest
11 Use limited data to select content Consent or legitimate interest

In addition, there are so-called special purposes (security, technical delivery), for which no consent is required under the TCF.

d) Consent versus legitimate interest

You will notice in the banner that vendors state "legitimate interest" as the legal basis for some purposes (Art. 6(1)(f) GDPR). The choice of this legal basis is declared in the GVL by the respective vendor itself. You nevertheless have the right at any time to object to processing based on legitimate interest by deactivating the corresponding toggle in the banner.

We do not pass on your data if you object - regardless of the legal basis stated by the vendor.

e) Withdrawal and accessing your settings again

You can withdraw your consent at any time with effect for the future or adjust your choice by opening the following path in the app:

Profile β†’ Settings β†’ Privacy Settings

The lawfulness of processing carried out before the withdrawal remains unaffected.

f) Exceptions: Plus subscribers

Users with an active Plus subscription do not see the consent banner for advertising purposes, as within the Plus subscription no personalised advertising is served and no advertising profile is created. Mandatory processing for the provision of the booked services (sections III to VII) remains unaffected by this.

g) Proof of your consent

We document the time and content of your consent so that we can demonstrate your consent as part of our accountability obligations (Art. 7(1) GDPR). The data stored for this purpose is retained for the duration of the consent and for up to three years after withdrawal or the last update.

B) On the website www.fastic.com

When you first visit www.fastic.com, you are informed about the services we use that require consent and can accept or reject them in full. If you reject them, the services requiring consent - in particular Google Analytics 4, Meta Pixel and the AppsFlyer Smart App Banner - are not loaded.

Your choice is stored locally in your browser (local storage). You can adjust your choice at any time by deleting the locally stored website data in your browser settings; the notice will then appear again on your next visit.

Exception - first-party reach measurement: Regardless of your consent, our hosting provider Vercel collects aggregated website visits without cross-user profiling as part of a first-party reach measurement ("Vercel Analytics"). This processing is based on our legitimate interest in ensuring and optimising the operation of the website (Art. 6(1)(f) GDPR).

C) On the onboarding and subscription website web.fastic.com

When you first visit web.fastic.com, you are informed about the services we use that require consent and can accept or reject them in full. If you reject them, the services requiring consent - in particular Google Analytics 4, Amplitude and Hotjar as well as the transmissions to Meta (Conversions API), TikTok (Events API), Google Ads and OpenAI Ads - are not loaded.

Your choice is stored locally in your browser (local storage). You can adjust your choice at any time by deleting the locally stored website data in your browser settings; the notice will then appear again on your next visit.

The specific services listed below

We use the services listed in VIII.2 to VIII.6 only with your consent, unless they are technically necessary for operation. The "Consent" column shows which services this applies to. Where a service processes data on the basis of your consent and you have not consented, we do not transmit any data to this service. The services listed below represent the subset of TCF vendors actually actively used by us as well as further services used exclusively for the websites.

We use services without consent because they are strictly necessary for stable and secure operation (Section 25(2) no. 2 TDDDG, Art. 6(1)(f) GDPR).

2. Product analytics and A/B tests

Service Platform Provider / location Data processed Retention period Consent
Firebase Analytics / Google Analytics for Firebase App Google Ireland Ltd. (EU); USA via SCC where applicable pseudonymous user ID, events, screen views, IP (truncated), device information, app version, language, country up to 14 months yes
Google Analytics 4 Website (www + web) Google Ireland Ltd. (EU); USA via SCC where applicable pseudonymous client ID, page views, time spent on page, referrer, IP (truncated), device and browser information, approximate geolocation up to 14 months yes
Firebase Performance App Google Ireland Ltd. trace data, network latencies, app start times see Firebase Analytics yes
Firebase Crashlytics App Google Ireland Ltd. crash stack traces, pseudonymous user ID, device model, OS version, breadcrumbs 90 days no (technically necessary)
Firebase Remote Config App Google Ireland Ltd. feature flag states, app version, country, language until the next update no (technically necessary)
Firebase A/B Testing App Google Ireland Ltd. experiment buckets, events until the experiment ends yes
Amplitude App + website (web.fastic.com) Amplitude, Inc. (USA, EU-U.S. Data Privacy Framework; additionally SCC) pseudonymous user ID, events, user properties up to 24 months yes
Vercel Analytics Website (www.fastic.com) Vercel Inc. (USA, SCC) aggregated page views, approximate geolocation, referrer; no cross-user profiling up to 30 days no (anonymous)
Sentry Website (web.fastic.com) Functional Software, Inc. d/b/a Sentry (USA, SCC) error stack traces, pseudonymous session ID, browser and OS version, URL at the time of the error 90 days no (technically necessary)

3. Session recording

Service Platform Provider / location Data processed Retention period Consent
UXCam App UXCam, Inc. (USA, SCC) pseudonymised recording of screen interactions (tap heatmaps, navigation paths). Sensitive fields (passwords, payment data, free-text notes) are masked before recording. Recordings only take place within the first 12 days after onboarding (data minimisation). 30 days yes
Hotjar Website (web.fastic.com) Hotjar Ltd. (Malta / EU) pseudonymised recording of mouse movements, clicks and scrolling behaviour (heatmaps, session recordings). Sensitive fields (payment data, passwords) are masked before recording. 90 days yes
Amplitude Session Replay App, website Amplitude, Inc. (USA, EU-U.S. Data Privacy Framework; additionally SCC) pseudonymised recording of interactions (clicks, scrolling behaviour, navigation flow) to analyse the onboarding funnel. Sensitive input fields are masked before recording. 90 days yes

4. Mobile attribution and anti-fraud

Service Platform Provider / location Data processed Retention period Consent
AppsFlyer OneLink (deep links) App, website AppsFlyer Ltd. (Israel, adequacy decision) deep link parameters, e.g. for signing in to the app after a purchase on the website up to 24 months no (technically necessary)
AppsFlyer (attribution) App AppsFlyer Ltd. (Israel, adequacy decision) IDFA (iOS) / GAID (Android), AppsFlyer ID, install referrer, ad click/conversion events, deep link parameters up to 24 months yes
AppsFlyer Smart App Banner Website AppsFlyer Ltd. (Israel, adequacy decision) pseudonymous web visitor ID, referrer, click parameters (utm_, fbclid, gclid, af_sub), browser and device information; linking with subsequent app install for marketing attribution up to 24 months yes
Apple AdServices App (iOS) Apple Distribution International Ltd. attribution token for Apple Search Ads campaigns see Apple yes
Apple SKAdNetwork / AdAttributionKit App (iOS) Apple Distribution International Ltd. anonymised install postbacks (no direct personal reference) see Apple no (anonymous)

5. Direct and performance marketing

Service Platform Provider / location Data processed Consent
Meta Pixel / Meta Conversions API Website (www.fastic.com: Pixel; web.fastic.com: Conversions API), app (Conversions API) Meta Platforms Ireland Ltd. (EU) / Meta Platforms Inc. (USA, SCC) hashed email address, telephone number, name, postcode and gender, IP address, user agent, events (page view, onboarding, purchase with value); where applicable, linking to an existing Meta profile yes
TikTok Events API App, website (web.fastic.com) TikTok Technology Limited (Ireland) / TikTok Inc. (USA, SCC) hashed email address, telephone number, name, postcode and gender, ttclid, IP address, user agent, events yes
Google Ads App, website Google Ireland Ltd. conversion tracking (gclid, wbraid, gbraid), hashed email address, telephone number, name, postcode, IP address, user agent, purchase events yes
OpenAI Ads Website (web.fastic.com) OpenAI, L.L.C. (USA, Standard Contractual Clauses) click ID, hashed email address, telephone number, name, postcode and gender, IP address, user agent, events yes
MoEngage App MoEngage, Inc. (USA, SCC; EU data residency available) pseudonymous user ID, email, push token, IDFA status, subscription status, onboarding progress, fasting activity (started/completed), app level, weight goal progress, A/B experiment assignments - for controlling personalised in-app and email communication yes

We are joint controllers with Meta Platforms Ireland Ltd. for the collection and transmission of data to Meta (Art. 26 GDPR). The essential content of the agreement is available at https://www.facebook.com/legal/controller\_addendum. Meta is solely responsible for the subsequent processing.

The retention period at these providers is governed by their own specifications; according to their own statements, Meta, TikTok and Google use hashed matching data (e.g. email address, telephone number) only for matching and delete it afterwards.

6. In-app advertising (free users only)

If you do not have an active subscription, ads are served via the following networks. Non-personalised advertising (without the use of device identifiers) is shown on the basis of our legitimate interest (Art. 6(1)(f) GDPR). Personalised advertising - i.e. the use of the IDFA (iOS) or advertising ID (Android) for behaviour-based targeting - only takes place if you have given your consent to this:

Service Platform Provider / location Data processed Consent
Google AdMob App Google Ireland Ltd. device identifiers (IDFA/GAID, if consented), IP address, approximate location, ad interactions yes (personalised advertising)
AppLovin MAX App AppLovin Corporation (USA, SCC) device identifiers (IDFA/GAID, if consented), IP address, approximate location, ad interactions yes (personalised advertising)

AppLovin MAX and Google AdMob conduct a real-time auction ("header bidding") for each ad impression, in which the TCF vendors listed in our CMP can participate. Individual vendors only participate to the extent that you have consented via the CMP. The direct mediation adapters that we have activated in our configuration typically include: Meta Audience Network, Google Ad Manager, Google Ads, InMobi, ironSource, BidMachine, Fyber, Unity Ads.

Each of these partners processes device identifiers (IDFA/GAID, if consented), IP address, approximate location and ad interactions when an ad is served.

A complete, up-to-date list of advertising partners can be viewed in the CMP ("Privacy Settings").

The retention period at the advertising networks is governed by their own specifications.

7. Advertising ID (IDFA / GAID)

On iOS, you are shown Apple's App Tracking Transparency (ATT) dialog before ads are served for the first time. If you do not grant permission, the IDFA is not used for ad personalisation; conversion measurement then takes place exclusively in anonymised form via Apple SKAdNetwork / AdAttributionKit. On Android, you can reset or disable your advertising ID at any time in the Google system settings.

IX. Communication (push, email, SMS, post)

Push notifications

  • Firebase Cloud Messaging (FCM, Google Ireland Ltd.) and Apple Push Notification Service (Apple Distribution International Ltd.) for technical delivery
  • MoEngage for campaign management (see section VIII.5)

We only send push notifications after you have actively allowed them. You can switch them off at any time in your device's system settings.

Transactional and marketing emails

  • Mailgun (EU) - Sinch Email (EU) AB / Sinch Holdings, sent via api.eu.mailgun.net

SMS

  • smsapi.pl (Poland) - sending reminder, confirmation and payment reminder text messages

Letters

  • Pingen AG (Switzerland) - sending payment reminders, dunning letters and reimbursement-related letters
  • Deutsche Post AG (E-POST) (Germany) - sending payment reminders, dunning letters and reimbursement-related letters

Legal basis: Art. 6(1)(b) GDPR for transactional communication; Art. 6(1)(a) GDPR for promotional communication (promotional push notifications, newsletters, marketing emails and marketing text messages). We only send promotional messages with your consent; consent can be withdrawn at any time.

X. Partner integrations

Partners / single sign-on

If you book the Fastic App via one of our partners, we transmit entitlement and usage status data to the following for the performance of the contract (Art. 6(1)(b) GDPR):

  • Wellhub (formerly Gympass) - GYMPASS US, LLC (USA, SCC)
  • Mondia - Mondia Media Germany GmbH (Germany)
  • Gameloft - Gameloft SE (France)

For Wellhub, we process the following data provided by the partner: partner user ID, email address, first and last name, country of origin, entitlement status. For the other partners: pseudonymous partner user ID, entitlement status.

XI. Transfers to third countries

Where data is transferred to countries outside the EU/EEA without an adequacy decision (in particular the USA and the United Arab Emirates), we conclude the EU Standard Contractual Clauses pursuant to Implementing Decision (EU) 2021/914 with the respective recipients and supplement them - where necessary - with additional technical measures (encryption, pseudonymisation). Where a recipient is certified under the EU-U.S. Data Privacy Framework, we base the transfer on the adequacy decision of the European Commission.

We transfer pseudonymous campaign and attribution data to a service provider in the United Arab Emirates that supports us in running our marketing campaigns (Standard Contractual Clauses).

You can request a copy of the respective safeguards from the controller (contact details in section I).

XII. Retention periods, deletion and blocking

We process your personal data only for as long as is necessary to achieve the stated purposes or as statutory retention obligations apply (in particular Section 257 HGB, Section 147 AO - 6 to 10 years).

In particular, the following periods apply, among others:

  • Customer account and usage data: until you delete your account, then deletion within 30 days unless statutory retention obligations apply
  • Unregistered web profiles (web.fastic.com): 30 days after creation unless converted into a registered customer account
  • Invoice and tax data: 10 years (Section 147 AO)
  • Terminations and withdrawals: 6 years from the end of the year (Section 257 HGB, business correspondence)
  • Log files: 30 days
  • Crashlytics and Sentry data: 90 days
  • Analytics data (Firebase Analytics, Google Analytics 4): 14 months
  • Analytics data (Amplitude): up to 24 months
  • Session recordings (UXCam): 30 days
  • Session recordings (Hotjar): 90 days
  • Session recordings (Amplitude Session Replay): 90 days
  • Cookie consent on www.fastic.com and web.fastic.com: until you delete the local browser data
  • Country cookies and click ID cookies on web.fastic.com: fastic_country, fastic_region, fastic_city, ttclid, __oppref: 30 days; gclid: 90 days
  • Marketing consents: until withdrawn, after which the consent itself is archived for 3 years for evidentiary purposes
  • Support requests: 3 years from the end of the year in which the request was closed
  • Push tokens: until the device is unregistered, the permission is revoked or the account is deleted

You can delete your account at any time in the app under "Settings β†’ Account β†’ Delete account" or on web.fastic.com under "Profile β†’ Delete account". Deletion covers your personal data stored in our systems. Where third-party service providers keep their own copies of data as part of our processing (e.g. payment service providers, CRM, analytics and attribution services), deletion there takes place in accordance with the respective retention periods of these providers or upon your separate request. Statutory retention obligations (in particular invoice and tax data, 6-10 years) remain unaffected. Deleting your account does not end an ongoing subscription: you cancel store subscriptions in the App Store or on Google Play, and web subscriptions on web.fastic.com.

XIII. Rights of data subjects

You have the following rights towards us:

  • right of access (Art. 15 GDPR)
  • right to rectification (Art. 16 GDPR)
  • right to erasure (Art. 17 GDPR)
  • right to restriction of processing (Art. 18 GDPR)
  • right to data portability (Art. 20 GDPR)
  • right to object (Art. 21 GDPR)
  • right to withdraw consent at any time (Art. 7(3), Art. 9(2)(a) GDPR), without affecting the lawfulness of processing carried out before the withdrawal
  • right to lodge a complaint with a supervisory authority (Art. 77 GDPR), in particular in the Member State of your habitual residence, place of work or place of the alleged infringement. The competent supervisory authority for Fastic GmbH is the Berlin Commissioner for Data Protection and Freedom of Information.

You can obtain information about the data stored about you as an encrypted ZIP file by sending a request to datenschutz@fastic.com.

Obligation to provide data

You are not obliged to provide us with personal data. However, without certain information we cannot provide individual services: without onboarding information (e.g. height, weight, goal) we cannot calculate a personal fasting plan or calorie and nutrient targets, without registration (email address, telephone number or Apple, Google or Facebook account) we cannot provide a subscription across devices, and without payment and billing data we cannot conclude a paid contract. Information on medical conditions, allergies, intolerances and pregnancy is voluntary; without it, your plan and your recommendations will not be adapted to it.

Automated decisions

The calculation of your personal fasting plan and your calorie and nutrient targets as well as the selection of content and recommendations take place automatically. They do not produce legal effects and do not similarly significantly affect you; they are not a decision within the meaning of Art. 22 GDPR.

Children and young people

Fastic is intended for persons aged 18 and over. Minors may only use the app with the consent of a parent or legal guardian. Paid contracts may only be concluded by persons of full age. If we become aware that personal data of minors has been collected without the required consent, we will delete it without undue delay. Please send any such information to datenschutz@fastic.com.

Right to object (Art. 21 GDPR)

You have the right to object at any time, on grounds relating to your particular situation, to the processing of personal data concerning you which is based on a balancing of interests pursuant to Art. 6(1)(f) GDPR; this also applies to profiling based on these provisions. In this case, we will no longer process your personal data unless we can demonstrate compelling legitimate grounds for the processing which override your interests, rights and freedoms, or the processing serves the establishment, exercise or defence of legal claims.

You have the right to object at any time to the processing of your personal data for direct marketing purposes, with the result that the data will no longer be processed for these purposes.

In the event of discrepancies, the German version shall prevail.