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SUDOKU FLOW SERVICE
Sudoku Flow Support & Privacy
Help and required information for the calm Sudoku coach on iPhone.
Quick help
Sudoku Flow works without an account and stores progress locally. These three steps answer the most common questions.
Understand hints
In a puzzle, tap “Hint” and choose the option that shows only the next logical step.
Delete local data
Under “Profile → Reset local progress”, you can remove games, settings, and statistics from the device.
Personal support
Please include your device model, iOS version, and where the app did not behave as expected.
Privacy Policy
Sudoku Flow 1.0 contains no advertising, tracking, analytics SDKs, or user accounts.
1. Controller and contact
Jack Savelsberg · savelsberg.tech · c/o Autorenglück #88296, Albert-Einstein-Str. 47, 02977 Hoyerswerda, Germany. Contact: kontakt@savelsberg.tech.
2. No accounts or tracking
The app requires no registration, contains no advertising, and uses no analytics or tracking SDKs. The developer collects no personal data through Sudoku Flow 1.0.
3. Local game data
Puzzle state, settings, statistics, XP, and streaks are stored only on the device. They can be deleted from the profile by resetting local progress. Cloud synchronization is not active in version 1.0.
4. Apple App Store
Apple may process download and diagnostic data under its own terms. Sudoku Flow does not create its own user profiles from that data. See Apple’s Privacy Policy.
5. Support and retention
If you voluntarily send a support email, the message and sender address are processed to answer the request and removed when no legal retention duty or open support case remains.
6. Your rights
Depending on applicable law, you may have rights to access, correction, deletion, restriction, portability, and objection, as well as a right to complain to a data protection authority. Contact kontakt@savelsberg.tech.
Last updated: August 31, 2026
Terms of Use
Sudoku Flow is a logic and entertainment product. It does not make medically or scientifically guaranteed performance claims.
Use of the app is governed by Apple’s Standard End User License Agreement. Open the Standard EULA