Privacy Policy

Last updated: May 2026

Stronger ("we", "our", or "us") is committed to protecting your privacy. This policy explains what data we collect, how we use it, and your rights.

1. Data We Collect

• Account data: Email address and name (or Apple ID token for Sign in with Apple users).
• Workout data: Exercises, sets, reps, weights, and workout sessions you log.
• AI conversations: Messages you send to the AI coach and responses generated.
• Notes: Any notes saved by you or the AI during sessions.
• Device data: Basic device identifiers used by RevenueCat for purchase validation.

2. How We Use Your Data

• To provide and improve the app experience.
• To power AI coaching responses personalized to your history.
• To validate in-app subscriptions via RevenueCat.
• We do not sell your data to third parties.

3. Third-Party Services

• RevenueCat: Handles subscription and purchase management.
• OpenRouter / OpenAI: Powers AI coaching responses. Conversation content may be processed on their servers.
• Apple Sign In: Used for authentication. We receive only a user token and email.

4. Data Storage

Your data is stored in MongoDB Atlas on servers in the United States. We retain your data as long as your account is active.

5. Your Rights

You may request deletion of your account and all associated data by emailing us. Once deleted, data cannot be recovered.

6. Children

Stronger is not directed at children under 13. We do not knowingly collect data from children.

7. Contact

Questions? Email us at ofiryieldchain@gmail.com