Privacy Policy

Last Updated: May 12, 2026

        Summary: SudokuMaster does not collect, transmit, or share any personal data. All game data is stored locally on your device and never leaves your phone.
    

1. Information We Collect

SudokuMaster is designed with privacy in mind. We do not collect any personal information from our users.

Data Type	Collected?	Purpose	Linked to User?
Personal Identifiers	No	N/A	No
Location Data	No	N/A	No
Contact Information	No	N/A	No
Photos / Videos	No	N/A	No
Usage Data	No	N/A	No
Diagnostics / Crash Data	No	N/A	No
Game Progress (Local Only)	Yes (local)	Save game records and statistics	No

2. Local Data Storage

The only data stored by SudokuMaster is saved locally on your device using Apple's standard UserDefaults storage:

Game completion records (difficulty, time, errors, date)
Your app preferences (hint settings, highlight options)
Daily challenge completion status

This data never leaves your device and is not transmitted to any server.

3. Third-Party Services

SudokuMaster does not use any third-party analytics, advertising, or tracking SDKs. The app contains no external frameworks that could collect user data.

4. Data Security

Since all data is stored locally on your device, it is protected by Apple's iOS security architecture, including device encryption and sandboxing.

5. Your Rights

You have full control over your data:

Access: All your game data is visible within the Statistics screen.
Delete: You can clear all game records at any time via Settings → Reset All Data.
Transfer: Data is not synced to cloud services and cannot be transferred between devices.

6. Children's Privacy

SudokuMaster is suitable for all ages and does not knowingly collect any data from children under 13. The app contains no advertising, in-app purchases, or external links.

7. Changes to This Policy

We may update this Privacy Policy from time to time. Any changes will be posted on this page with an updated "Last Updated" date.

8. Contact Us

If you have any questions about this Privacy Policy, please contact us at:

contact@sudokumaster.app

This privacy policy is provided for SudokuMaster, a puzzle game app developed by wangbinioscoder.