Privacy Policy

Last Updated: April 1, 2026

Brain Master Games (part of Insodia) ("we", "us", or "our") respects your privacy. This Privacy Policy explains our practices regarding the collection, use, and disclosure of information when you use our mobile applications (the "Apps") available on the Google Play Store and Apple App Store.

1. Our Games

This Privacy Policy applies to the following mobile applications developed and published by Brain Master Games:

• Sudoku Master (com.sudoku.classic.puzzle)
• Nonogram Master (com.nonogram.puzzle.picross)

2. Information We Collect

We do not require you to provide any personal information to play our games. However, we use third-party services that may automatically collect certain device and usage data:

• Device Information: Device model, operating system version, unique device identifiers (such as Google Advertising ID or Apple Identifier for Advertisers - IDFA), and language set.
• Usage Data: Game progress, features used, and crash reports.

3. Third-Party Services

Our Apps use the following third-party services to function, track analytics, and display advertisements:

• Google Play Services / Apple App Store Services (Google Privacy / Apple Privacy)
• Google AdMob for advertisements (Google AdMob Privacy)
• AdMob Mediation Partners: To display ads, we may use other networks through AdMob mediation. You can review their privacy policies here:
  • Unity Ads (Privacy Policy)
  • AppLovin (Privacy Policy)
  • IronSource (Privacy Policy)
  • Meta Audience Network (Privacy Policy)
  • Vungle (Privacy Policy)
  • Mintegral (Privacy Policy)
• Firebase/Crashlytics for analytics and crash reporting (Firebase Privacy)
• Facebook SDK for analytics and ad attribution (Facebook Privacy Policy)

4. In-App Purchases

Our Apps offer in-app purchases. All transactions are processed solely by the Google Play Store or Apple App Store. We do not process, collect, or store any of your financial or payment mechanism information.

5. Children's Privacy

Our games are meant for a general audience and we do not knowingly collect personal information from children under the age of 13. If you believe we have inadvertently collected such data, please contact us immediately to have it deleted.

6. Data Deletion and Your Rights

You have the right to access, correct, or delete your data. Since we do not store your personal data on our servers for general gameplay, you can delete locally stored data by uninstalling the Apps or clearing data in your device settings.

However, if you have interacted with our support or other features where data might be stored, you can formally request data deletion through our Data Deletion Request Form.

To opt out of personalized interest-based advertising, please adjust the "Opt out of Ads Personalization" setting on your Android device or the "Limit Ad Tracking" (for older iOS) / "Ask App Not to Track" (for newer iOS) setting on your Apple device.

7. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. The updated version will be indicated by an updated "Last Updated" date and the updated version will be effective as soon as it is accessible.

8. Contact Us

If you have questions or comments about this policy, you may email us at: [email protected]