Privacy Policy

1. Controller

Stellar Marketing AG, [Street and number], 6300 Zug, Switzerland. Email: [contact email]. We process personal data in accordance with the Swiss Federal Act on Data Protection (FADP) and, where applicable, the EU General Data Protection Regulation (GDPR).

2. Data we process

When you visit this website: IP address, browser and device information, pages visited, referrer and time of access (server logs). When you start a trial or purchase: email address, payment information, subscription status. In the TrackAI app: meal photos, nutrition entries and goals you provide.

3. Payments: Stripe

Payments are processed by Stripe Payments Europe Ltd., 1 Grand Canal Street Lower, Dublin 2, Ireland (and Stripe, Inc., USA). Stripe receives your payment and billing data to execute the payment and prevent fraud. Legal basis: performance of a contract (Art. 6(1)(b) GDPR). Privacy policy: https://stripe.com/privacy.

4. Subscription management: RevenueCat

We use RevenueCat, Inc., USA, to manage subscriptions, web purchases and access to the app across devices. RevenueCat processes a user ID, purchase history and subscription status. Legal basis: performance of a contract. Privacy policy: https://www.revenuecat.com/privacy.

5. Marketing: Meta Pixel

Only if you click "Accept all" in the cookie banner, we load the Meta Pixel of Meta Platforms Ireland Ltd., 4 Grand Canal Square, Dublin 2, Ireland. It records visits and conversions (e.g. trial starts) to measure and optimise our ads on Facebook and Instagram. Data may be transferred to the USA. Legal basis: consent (Art. 6(1)(a) GDPR), which you can withdraw at any time via "Cookie settings" in the footer. Privacy policy: https://www.facebook.com/privacy/policy.

6. Attribution: AppsFlyer

We use AppsFlyer Ltd., 14 Maskit St., Herzliya, Israel, to attribute app installs and purchases to marketing campaigns. AppsFlyer processes device identifiers (such as IDFA/GAID where permitted), IP address and in-app events. On iOS this happens only if you allow tracking. Legal basis: consent or legitimate interest in measuring campaigns. Privacy policy: https://www.appsflyer.com/legal/privacy-policy.

7. Transfers abroad

Some providers are located outside Switzerland and the EU/EEA (e.g. USA, Israel). Transfers take place on the basis of adequacy decisions (including the EU-US / Swiss-US Data Privacy Framework) or standard contractual clauses.

8. Retention

We keep personal data only as long as needed for the purposes above or as required by statutory retention obligations (e.g. 10 years for accounting records).

9. Your rights

You have the right to access, rectify, delete, restrict and port your data, to object to processing and to withdraw consent at any time. Contact us at [contact email]. You may also lodge a complaint with a supervisory authority, in Switzerland the FDPIC (edoeb.admin.ch).

October 2026