Privacy Policy

Last updated: May 31, 2026

This privacy policy applies to the Sudoku mobile application (herein referred to as "Application") for mobile devices.

1. Data Collection and Usage

The Application collects and processes certain types of data to provide and improve the service:

• Game Progress and Statistics: We store your game state, high scores, and completed puzzles locally on your device to ensure you can resume your gameplay.
• User Preferences: Settings such as sound effects and music toggles are stored locally.
• Device Information: Third-party SDKs may collect technical information such as device model, OS version, and unique identifiers.

2. Third-Party Services

The Application uses third-party services that may collect information used to identify you. Below are the links to the privacy policies of these providers:

• Google Play Services
• Google Analytics for Firebase
• Firebase Crashlytics
• AdMob
• Yandex Mobile Ads

3. Ad Serving

The Application displays advertisements provided by Google (AdMob) and Yandex. These partners may use cookies or similar tracking technologies to collect data about your interactions with ads to provide personalized advertising experiences.

4. Data Retention

Game progress and settings are stored locally on your device. This data remains on your device until the Application is uninstalled or you clear the Application data.

5. Children's Privacy

The Application does not address anyone under the age of 13. We do not knowingly collect personally identifiable information from children under 13.

6. Changes to This Policy

We may update our Privacy Policy from time to time. You are advised to review this page periodically for any changes. These changes are effective immediately after they are posted on this page.

7. Contact Us