Privacy Policy

Last updated: July 11, 2026

Mahj Trainer is built to collect as little data as possible.

What we collect

• Practice progress (streaks, completed drills) is stored only on your device. It never leaves your phone.
• Subscriptions are processed by Apple. We use RevenueCat to manage subscription status; RevenueCat receives an anonymous identifier and purchase information, never your name or email. See RevenueCat's privacy policy.

What we don't collect

• No account or sign-up required.
• No advertising, no trackers, no analytics SDKs.
• No personal information of any kind.

Contact

Questions? Email jackwallner+m@gmail.com.

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