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Privacy Policy

Last updated: March 7, 2026

Last updated: March 7, 2026

Overview

ClusterSum respects your privacy. This app does not use third-party analytics, does not track you across apps or websites, and does not collect personal information for advertising.

Information We Collect

ClusterSum does not collect or transmit personal data to the developer.

The app stores limited information locally on your device so the game can function properly, including:

  • Game progress
  • Puzzle state
  • Daily challenge completion status
  • Streaks, rewards, and coin balance
  • App preferences such as theme and haptics settings
  • Records needed to prevent duplicate in-app purchase rewards

This information stays on your device and is not sent to the developer.

In-App Purchases

ClusterSum offers optional in-app purchases through Apple's StoreKit framework.

When you make a purchase, Apple processes the transaction. The developer does not receive your full payment information, such as your credit card number. Purchase handling is subject to Apple's own privacy practices and terms.

Tracking and Analytics

ClusterSum:

  • Does not track you across apps or websites
  • Does not use third-party advertising SDKs
  • Does not use third-party analytics SDKs
  • Does not sell your personal information

Data Sharing

Because the app does not collect personal data for the developer, it does not share personal data with third parties for marketing or advertising.

Apple may process data related to App Store distribution and in-app purchases under Apple's own policies.

Data Retention

Game data stored by ClusterSum remains on your device until you delete the app or clear the relevant device/app data.

Children's Privacy

ClusterSum does not knowingly collect personal information from children.

Your Choices

You can stop all collection and storage by uninstalling the app from your device.

If you make in-app purchases, you can manage those purchases through your Apple account settings.

Changes to This Policy

This privacy policy may be updated from time to time. If it changes, the updated version will be posted with a new "Last updated" date.

Contact

If you have questions about this privacy policy, contact: