Terms of Use

Effective Date: 11 February 2026 Last Updated: 11 February 2026

Welcome to Sudoku Masters: World Champion, a mobile application developed and operated by Apps Foundry Labs Ltd (“we”, “us”, or “our”). These Terms of Use (“Terms”) govern your use of the Sudoku Masters: World Champion mobile app (“App”). By accessing or using the App, you confirm that you have read, understood, and agreed to be bound by these Terms, as well as our Privacy Policy.

If you do not agree with any part of these Terms, please do not use the App.

1. Definitions

  • App: The Sudoku Masters: World Champion mobile application and associated services.
  • User / Player: Any individual who downloads, registers for, or uses the App.
  • Account: A personal profile created by a Player to use the App’s online features.
  • Service: All features and functionalities provided via the App, including both free and premium (paid) features.
  • Coins: Virtual in-app currency that can be earned or purchased within the App.
  • Sudoku Masters+: The premium subscription tier that removes advertisements and provides additional benefits.

2. Eligibility & Registration

  • The App is rated 18+ on the App Store and 18+ on Google Play.
  • Users under 13 (or the applicable age of consent in your jurisdiction) should use the App under parental or guardian supervision.
  • You may register using Apple login, Google login, or email.
  • You are responsible for maintaining the confidentiality of your login credentials.
  • Only one account per person is allowed.
  • You must provide accurate and truthful information when creating your account.

3. User Conduct

By using the App, you agree not to:

  • Impersonate others or create multiple / fraudulent accounts.
  • Use the App for any unlawful purpose or in violation of any applicable laws.
  • Exploit bugs, glitches, or vulnerabilities to gain unfair advantages on leaderboards.
  • Use automated tools, bots, scripts, or cheating software to interact with the App.
  • Attempt to reverse-engineer, decompile, or disassemble the App.
  • Interfere with or disrupt the App’s servers, networks, or infrastructure.
  • Upload offensive, inappropriate, or infringing content as a profile photo or display name.

We reserve the right to remove content, reset statistics, or suspend accounts that breach these rules.

4. Services & Features

Free Features

  • Play unlimited Sudoku puzzles across multiple difficulty levels.
  • Track your gameplay statistics, streaks, and progress.
  • Compete on country, continental, and global leaderboards.
  • Earn coins through gameplay and rewarded advertisements.
  • Use hints and undos (purchased with coins).
  • Receive daily puzzle notifications (with your consent).

Premium Features (Sudoku Masters+)

  • Ad-free gameplay experience.
  • Additional coin bonuses.
  • Access to exclusive features as they become available.

Premium features are subject to change. Full details and pricing are available within the App.

5. In-App Purchases & Subscriptions

  • The App offers in-app purchases including coin packs and the Sudoku Masters+ subscription.
  • All purchases are processed through the Apple App Store or Google Play Store.
  • Subscription management, including cancellation and renewal, is handled through your device’s app store settings.
  • We do not collect or store payment card details.
  • Refund requests should be directed to Apple or Google in accordance with their respective refund policies.
  • Virtual coins have no real-world monetary value and cannot be exchanged, transferred, or redeemed for cash.

6. Leaderboards

  • Leaderboards display player rankings based on gameplay performance.
  • Your display name, country, and gameplay statistics may be visible to other players on leaderboards.
  • We reserve the right to remove or reset leaderboard entries if we detect cheating, exploitation, or violation of these Terms.

7. Account Suspension & Termination

  • You may delete your account at any time via the App settings.
  • We reserve the right to suspend or permanently delete accounts that:
    • Violate these Terms
    • Engage in cheating or exploitation
    • Pose a risk to other users or the platform
  • Upon account deletion, your data will be permanently removed within 30 days in accordance with our Privacy Policy.

8. Content Ownership & Licence

  • All puzzles, designs, graphics, code, and content within the App are owned by or licensed to Apps Foundry Labs Ltd.
  • By using the App, you are granted a limited, non-exclusive, non-transferable, revocable licence to use the App for personal, non-commercial purposes.
  • You may not reproduce, distribute, modify, or create derivative works based on the App’s content without our written permission.
  • If you upload a profile photo, you grant us a non-exclusive, worldwide, royalty-free licence to display it within the App (e.g., on leaderboards).

9. Disclaimers & Limitations of Liability

  • The App is provided on an “as is” and “as available” basis without warranties of any kind, whether express or implied.
  • We do not guarantee uninterrupted, error-free, or secure operation of the App.
  • We are not liable for any loss of gameplay data, progress, or virtual currency due to technical issues, device failure, or circumstances beyond our control.
  • To the maximum extent permitted by law, our total liability for any claims arising from your use of the App shall not exceed the amount you have paid us in the 12 months preceding the claim (or zero if you have not made any purchases).
  • Nothing in these Terms excludes or limits liability for death or personal injury caused by negligence, fraud, or any other liability that cannot be excluded under applicable law.

10. Platform-Specific Terms

iOS Users

You also agree to Apple’s Licensed Application End User License Agreement (EULA). In the event of any conflict between these Terms and Apple’s EULA, the latter shall take precedence for iOS users.

Android Users

You also agree to the Google Play Terms of Service. In the event of any conflict between these Terms and Google Play’s terms, the latter shall take precedence for Android users.

11. Modifications to These Terms

We may revise these Terms at any time. If significant changes are made, we will notify users via the App. Continued use of the App after such updates constitutes your acceptance of the revised Terms.

12. Legal Jurisdiction

These Terms are governed by the laws of England and Wales. Any disputes arising in connection with these Terms or the use of the App shall be subject to the exclusive jurisdiction of the courts of England and Wales.

13. Contact Us

Apps Foundry Labs Ltd
Unit 7, 97 Western Road
Southall, England, UB2 5HN
Email: privacy@appsfoundrylabs.com

© 2026 Apps Foundry Labs Ltd. All rights reserved.