Privacy Policy

Fight is a personal martial arts training tracker. Your data is yours — we store it securely to sync your training history across devices and to power features like the AI Coach.

We don't sell your data, share it with advertisers, or use it for any purpose other than making the app work for you.

Account information

• Email address and password (used to create and secure your account)
• Username and display name

Training data you enter

• Training sessions (discipline, duration, techniques, notes)
• Body weight and weight history
• Goals and achievements
• Injuries and injury history
• Competition events
• Supplementary workouts (runs, lifts, etc.)

AI Coach conversations

• Messages you send to the AI Coach and its responses
• Your training context used to personalize responses

Device & usage data

• Device type and iOS version (for crash diagnostics)

• Sync your training history across your devices
• Power the AI Coach with your training context
• Calculate achievements, streaks, and progress stats
• Send password reset emails when requested
• Diagnose crashes and fix bugs

We do not use your data for advertising, profiling, or any commercial purpose beyond operating the app.

Fight uses a small number of trusted third-party services to operate:

• Supabase — cloud database and authentication. Your data is stored on Supabase servers in the US. Supabase Privacy Policy
• AI provider — AI Coach messages are processed by an AI provider to generate responses. Messages may be temporarily processed but are not used to train models.

We do not share your data with any other third parties.

Your data is stored as long as your account is active. You can delete your account and all associated data at any time by contacting us at the email below.

When you delete your account, all training logs, profile data, AI Coach conversations, and personal information are permanently removed from our servers within 30 days.

All data is transmitted over HTTPS and stored with encryption at rest. Authentication is handled by Supabase Auth with industry-standard security practices. You can optionally enable Face ID / Touch ID for local device security.

Fight is not directed at children under 13. We do not knowingly collect personal information from children under 13. If you believe a child has provided us personal information, contact us and we will delete it.

We may update this policy as the app evolves. If we make significant changes, we'll notify you through the app. Continued use of Fight after changes are posted means you accept the updated policy.