Terms of Use — NineSmith Sudoku
Last updated: 2026-07-21. These terms apply to your use of NineSmith Sudoku, a logic puzzle app by Nikodem Kustusz (quero / querosdev).
1. Use of the app
You may use the app for personal, non-commercial entertainment and learning. You agree not to misuse the app, attempt to reverse engineer protected services, interfere with purchase validation, or use the app in a way that violates applicable law.
2. Gameplay and local data
The app stores game progress, settings, statistics, achievements, trainer progress, and related gameplay data locally on your device. Deleting the app or device data may remove this local progress permanently.
3. Purchases and subscriptions
Premium purchases and subscriptions are processed through Apple and managed through your App Store account. Prices, billing periods, renewals, cancellations, and refunds are handled according to Apple's App Store terms and policies. You can manage or cancel subscriptions through your App Store account settings.
4. Availability
The app is provided as is. Features may change over time, and availability may vary by device, operating system, region, store configuration, or network conditions.
5. No warranty
To the maximum extent permitted by law, NineSmith Sudoku is provided without warranties of any kind. The developer is not responsible for indirect, incidental, or consequential damages arising from use of the app. Nothing in this section affects statutory rights that cannot be excluded or limited under applicable law, including EU consumer protection law."
6. Contact
For support or terms questions, contact the developer through the App Store listing or by email: nikodemkustusz@gmail.com
7. Changes
These terms may be updated as the app changes. The updated version will be posted at the current terms URL.