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Privacy Policy

Last updated: February 26, 2026

1. Information We Collect

When you use CheckmateX, we may collect the following information:

  • Account information (email, username) when you create an account
  • Game data (moves, results, ratings) for leaderboard and progress tracking
  • Usage analytics to improve the app experience
  • Device information for crash reporting and compatibility

2. How We Use Your Information

We use collected information to:

  • Provide and maintain the CheckmateX service
  • Display leaderboard rankings and player profiles
  • Track your training progress and achievements
  • Improve app performance and fix bugs
  • Send important service updates (if opted in)

3. Data Storage

Your data is stored securely using Google Firebase (Firestore) and Cloudflare services. We implement industry-standard security measures to protect your information.

4. Third-Party Services

CheckmateX uses the following third-party services that may collect data:

  • Google Firebase (authentication, database, analytics)
  • Google AdMob (advertising)
  • Google Play Services

5. Your Rights

You can request to view, modify, or delete your personal data at any time by contacting us at contact@checkmatex.app.

6. Children's Privacy

CheckmateX is suitable for all ages. We do not knowingly collect personal information from children under 13 without parental consent. If you believe a child has provided us with personal data, please contact us.

7. Changes to This Policy

We may update this privacy policy from time to time. Changes will be posted on this page with an updated revision date.

8. Contact Us

If you have questions about this privacy policy, contact us at contact@checkmatex.app.