# Privacy Policy for Sudoku AI Master
**Last updated: April 27, 2026**
This privacy policy applies to the mobile application **Sudoku AI Master** (the "App"), developed by FocusFlow (the "Developer").
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## 1. Overview
Sudoku AI Master is an offline-first puzzle game. We respect your privacy and are committed to protecting your personal information. This policy explains what data the App collects, how it is stored, and your rights.
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## 2. Data We Collect
**Sudoku AI Master does not collect, store, or transmit any personal data to external servers.**
The following information is stored **only on your device** using local storage (AsyncStorage):
| Data stored locally | Purpose |
|------------------------------|------------------------------------------------------|
| Puzzle state and progress | Allow you to resume puzzles where you left off |
| Game statistics and streaks | Display your progress and best times |
| User preferences / settings | Remember theme, difficulty, and display choices |
This data never leaves your device and is not shared with us or any third party.
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## 3. Permissions
The App does **not** request any device permissions:
- No internet access is required
- No camera or microphone access
- No location access
- No contacts or file storage access
- No background processing
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## 4. Third-Party Services
The App does **not** use any of the following:
- Third-party analytics (e.g., Google Analytics, Firebase Analytics)
- Advertising SDKs or ad networks
- Crash reporting services (e.g., Firebase Crashlytics)
- Social login or authentication providers
- Cloud storage or synchronization services
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## 5. Children's Privacy
The App is rated **Everyone** and does not collect any personal information from users of any age, including children under 13. No account creation or personal data entry is required to use the App.
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## 6. Data Retention and Deletion
All data is stored exclusively on your device. You can delete this data at any time by:
- Clearing the App's data from your device settings, or
- Uninstalling the App
Once the App data is cleared or the App is uninstalled, all locally stored game data is permanently removed.
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## 7. Changes to This Policy
If a future release adds optional features that involve data collection (for example, cloud sync, crash reporting, or analytics), this policy will be updated to reflect those changes. You will be asked to opt in before any new data collection begins.
We encourage you to review this policy periodically for any updates.
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## 8. Contact Us
If you have questions or concerns about this privacy policy, you can reach us through: