Terms of Service

Last updated: April 16, 2026

These terms govern your use of the SudokuVault website (thesudokuvault.com) and mobile app. By using our services, you agree to these terms. If you do not agree, do not use our services.

Use of Service

SudokuVault provides Sudoku puzzles through a website, mobile app, and downloadable printable PDFs. You may use these puzzles for personal, non-commercial purposes. You may print and share our free printable puzzles with friends, family, students, or residents of care facilities.

Intellectual Property

All puzzle content, website design, app design, and brand assets are owned by Anvil Road LLC. You may not reproduce, distribute, or sell our puzzles or content without written permission. Personal use and sharing of free printable puzzles is allowed and encouraged.

App Terms

The SudokuVault app is provided free of charge with optional in-app purchases. We may update the app at any time. Features may change. We do our best to keep existing puzzles and progress intact during updates.

Purchases

Book purchases are handled through Amazon. In-app purchases are handled through Apple or Google. Refund policies for those purchases are governed by the respective platform.

Disclaimer

SudokuVault is provided “as is.” We make no warranties about the accuracy or completeness of our puzzles, though we test every puzzle for a unique valid solution. We are not responsible for any damages arising from your use of our services.

Limitation of Liability

To the fullest extent permitted by law, Anvil Road LLC is not liable for any indirect, incidental, or consequential damages related to your use of SudokuVault.

Changes

We may update these terms at any time. Continued use of our services after changes constitutes acceptance of the new terms.

Contact

Questions? Email us at [email protected].