Information We Collect

Data Stored Locally on Your Device

The following information is stored only on your device and is not transmitted to our servers:

• Game progress and saved puzzles
• Statistics (completion times, accuracy, streaks)
• App preferences and settings
• Purchased hints and lives balance

Data Synced via Apple iCloud

If you have iCloud enabled, the following data may be synced across your devices:

• In-app purchase history (to restore purchases on multiple devices)
• Game progress and statistics
• Hint and lives balance

This data is stored securely in your personal iCloud account and is governed by Apple's Privacy Policy.

Third-Party Services

Our app integrates with the following Apple services:

• Apple Game Center: Optional leaderboards and achievements. Your Game Center profile is managed by Apple.
• Apple StoreKit: Processes in-app purchases securely through Apple's payment system. We do not have access to your payment information.
• Apple CloudKit: Securely syncs your game data across devices using your iCloud account.

Data We Do NOT Collect

• Personal identification information (name, email, address)
• Location data
• Device identifiers for tracking
• Usage analytics or behavioral data
• Advertising identifiers

Data Security

All data transmission uses Apple's secure frameworks with industry-standard encryption. Your purchase verification uses Apple's App Attest technology for additional security against fraud.

Children's Privacy

Sudoku does not knowingly collect any personal information from children. The app contains no third-party advertising and only offers optional in-app purchases that require parental authentication.

Changes to This Policy

We may update this Privacy Policy from time to time. Any changes will be reflected on this page with an updated revision date. Continued use of the app after changes constitutes acceptance of the updated policy.