Simple Chess Privacy Policy

Last updated: July 30, 2026

Simple Chess ("the app") is built and maintained by Infinite Studio Labs ("we" / "us"). This policy describes what data the app collects, why, and what your choices are.

1. Summary

• We collect anonymous usage analytics, crash reports, and performance data via Firebase to understand how the app is used and to fix bugs.

• If you are signed in to Google Play Games, your game progress is backed up to Firebase Firestore so it survives reinstalling the app or changing phones. It is stored against an anonymous Play Games account identifier. You can delete it, and turn backup off, from inside the app.

• We do NOT collect personal data, your name, your email, your contacts, your location, advertising identifiers, or anything that identifies you as a person.

• We do NOT show ads, sell data, or share data with anyone outside our own use of Google's Firebase services.

• All gameplay state (current game, ELO, streak, puzzle history, lesson progress, settings) is stored locally on your device.

2. What We Collect, in Detail

On your device (never leaves the device):

• Current chess game state and selected game mode.

• Your ELO rating and match history (last 100 games).

• Daily-puzzle and play streak data.

• Lesson completion progress.

• App settings (sound, auto-flip board, daily-reminder time).

Anonymous data sent to Firebase:

• Analytics events — when you start or finish a game, solve or fail a puzzle, complete a lesson, open Game Review, or change reminder settings. Each event carries non-identifying parameters like game mode, difficulty, puzzle theme, or your ELO bracket.

• Crash reports — if the app crashes, an automated diagnostic report (stack trace, device model, Android version, app version) is sent so we can fix the bug.

• Performance data — automated measurements like app startup time and network request duration.

• Cloud backup (added in version 2.10) — if you are signed in to Google Play Games on your device, a copy of your game progress (your rating, daily and play streaks, match history and trophies) is saved to Google Firebase Firestore so it can be restored if you reinstall the app or change phones. This copy is stored against an anonymous account identifier provided by Google Play Games. It does not include your name, email address, or any contact details.
  
  Cloud backup is optional. If you are not signed in to Play Games, or you decline sign-in, the app works exactly as before and nothing is uploaded. You can see whether it is on under Settings > Cloud backup.
  
  To have your backup deleted, email infinitegaming008@gmail.com.

3. Third-Party Services

We use Google's Firebase platform for the data collection above:

• Firebase Analytics: Anonymous event logs.

• Firebase Crashlytics: Crash diagnostics.

• Firebase Performance Monitoring: Startup and network metrics.

• Firebase Firestore: Anonymous finished-game records.

Note: Firebase's own privacy policy applies to data Google receives. You can read it here: Firebase Privacy Policy

4. Advertising Identifier

Simple Chess does NOT request, collect, or use the Android Advertising ID (AAID). The Play Console "Advertising ID" declaration is set to "No".

5. Permissions the App Requests

• POST_NOTIFICATIONS (Android 13+) — Only if you opt into the daily puzzle reminder.

• RECEIVE_BOOT_COMPLETED — Re-arms the daily-reminder alarm after a device reboot (no data is sent on boot).

• SCHEDULE_EXACT_ALARM (Android 13+, optional) — For precise firing of the daily reminder. Falls back to inexact firing if not granted.

• INTERNET + ACCESS_NETWORK_STATE — Firebase data uploads.

6. Your Choices

• Turn off the daily reminder in app Settings to stop the scheduled-alarm flow entirely.

• Clear app data (Android Settings → Apps → Simple Chess → Storage → Clear data) to wipe all locally stored gameplay state.

• Delete your cloud backup at any time from Settings > Cloud backup > Delete. This permanently removes the saved copy and stops further backups; your progress stays on your phone. You can also email infinitegaming008@gmail.com and we will delete it for you.

• Uninstall to remove the app and stop collection of new data. Analytics, crash and performance data already sent to Firebase is anonymous, is not tied to your identity, and remains in our records. Note that uninstalling does NOT delete a cloud backup - use the Delete option above first if you want it removed.

7. Children

Simple Chess does not knowingly collect personal data from anyone, including children under 13. The app contains no chat, no user-to-user content, and no personal data collection.

8. Contact

For questions about this policy, please email: infinitegaming008@gmail.com

9. Changes to this Policy

When this policy changes, the "Last updated" date at the top will change. Material changes will be disclosed in the app's "What's new" release notes.