Effective date: April 2026
Inkgrid Sudoku is designed with your privacy in mind. We do not collect, store, or transmit any personal data to external servers. The app runs entirely on your device.
We do not collect any personal information. All puzzle progress, statistics, and settings are stored locally on your device using Core Data. No accounts, emails, or sign-ups are required.
Your game data (puzzle records, statistics, settings) is stored on-device only. If you have iCloud enabled, data may sync across your Apple devices through Apple's CloudKit infrastructure. We do not have access to this data.
Inkgrid Sudoku does not integrate any third-party analytics, advertising, or tracking services. We do not share your data with anyone.
This app does not knowingly collect information from children. Since we collect no personal data from any user, the app is safe for all ages.
We may update this policy from time to time. Any changes will be reflected in the app and on this page with an updated effective date.
If you have questions about this privacy policy, please contact us at fredwang0216@gmail.com.