Last updated: Sept 23, 2025

By using this app, you agree to comply with and be bound by these Terms of Use. If you do not agree with any part of these terms, please do not use the app.

1. General Information

This application is owned and operated by Nappkin Lab ("we", "our", "the Company").

For any questions, you can contact us at:

📧 [email protected]

2. App Usage

• This app is designed to provide offline, ad-free Sudoku and logic puzzle gameplay.
• You may not use the app for any illegal or unauthorized purpose.
• The app is recommended for users aged 4 and up.
• Children under the age of 13 should use the app only under the supervision of a parent or legal guardian.
• We reserve the right to suspend or terminate your access to the app if you violate these Terms or engage in any harmful or unauthorized use of the app.

3. Subscriptions and Payments