Privacy Policy — Tenax AppLast updated: March 25, 2026

1. Who we are Tenax is a fitness tracking app developed by Alex. For any privacy-related questions, contact us at [email protected].

2. Data we collect

• Email address and password (for account creation and login)
• Workout history and training logs
• Body measurements (weight, body fat, and other metrics you choose to enter)
• Progress photos (Premium feature, stored securely)
• Username and profile information
• App usage data (AI chat and machine scanner usage counts)

3. How we use your data

• To provide and improve the app's features
• To display your training history, progress, and statistics
• To enable social features such as friend activity feeds
• To process AI-powered features (chat assistant and machine scanner) — your fitness data and messages are sent to Anthropic's API to generate responses. No personal data is stored by Anthropic beyond the duration of the request.

4. Data sharing We do not sell your personal data. Your data is shared only with:

• Supabase — our database and authentication provider (supabase.com)
• Anthropic — to process AI chat and machine scanner requests (anthropic.com)
• RevenueCat — to manage subscriptions (revenuecat.com)

5. Data storage and security Your data is stored securely on Supabase servers. We use Row Level Security (RLS) to ensure each user can only access their own data. Progress photos are stored in secure, access-controlled storage.

6. Your rights