Stack Performance

Stack Performance ("we", "our", or "us") is committed to protecting your privacy. This policy explains how we collect, use, and protect your information when you use the Stack Performance mobile app.

Information We Collect

We collect information you provide directly to us, including:

Account information (email address and password via Supabase Auth)
Health and fitness data you log (workouts, meals, body metrics, recovery data)
Progress photos you choose to upload
Profile information (name, goals, macro targets)

How We Use Your Information

To provide, maintain, and improve the app
To sync your data across devices
To power the AI Coach feature (data is sent to Anthropic's API)
To process subscription payments via RevenueCat and Apple In-App Purchase

Data Storage

Your data is stored securely on Supabase (PostgreSQL database with row-level security). Progress photos are stored in Supabase Storage. All data is associated with your account and protected by authentication.

Third-Party Services

Supabase — database and authentication (privacy policy)
RevenueCat — subscription management (privacy policy)
Anthropic — AI Coach feature (privacy policy)
Open Food Facts — food database (no personal data shared)

Health Data

Health and fitness information you enter is stored solely to provide you with the app's tracking features. We do not sell, share, or use your health data for advertising purposes. We do not integrate with Apple Health or Google Fit.

Data Retention & Deletion

Your data is retained as long as your account is active. You can delete your account and all associated data at any time by contacting us at support@stackperformance.app. Account deletion is permanent and irreversible.

Children's Privacy

Stack Performance is not intended for users under the age of 17. We do not knowingly collect personal information from children under 17.

Changes to This Policy

We may update this policy from time to time. We will notify you of any significant changes by updating the date at the top of this page.

Contact Us

If you have questions about this privacy policy, contact us at:
support@stackperformance.app
2754540 Alberta Ltd, Alberta, Canada