Terms of Use for Sudoku App

Last Updated: May 2025

1. Agreement to Terms

By downloading, installing, accessing, or using the Sudoku application („App“) developed by dowhiletrue.co, you agree to be bound by these Terms of Use („Terms“). If you do not agree to these Terms, do not use the App.

The App is available on Android, iOS platforms and includes free features.

2. License Grant

dowhiletrue.co grants you a limited, non-exclusive, non-transferable, revocable license to use the App for personal, non-commercial purposes in accordance with these Terms.

3. User Accounts

3.1 Account Types

  • Guest Account: Anonymous usage with limited features and local-only data storage
  • Email Account: Full account with email/password authentication
  • Social Login: Authentication through Google or Facebook

3.2 Account Security

You are responsible for:

  • Maintaining the confidentiality of your account credentials
  • All activities that occur under your account
  • Notifying us immediately of any unauthorized access

4. Game Features

4.1 Available Features

  • Multiple difficulty levels (Easy, Medium, Hard)
  • Save and resume games
  • Hints system
  • Note-taking functionality
  • Game statistics and leaderboards

5. User Data and Privacy

5.1 Data Collection

We collect:

  • Account information (email, username)
  • Game progress and statistics
  • Device information
  • Usage analytics
  • Advertising identifiers

5.2 Data Storage

  • Guest accounts: Data stored locally on device only
  • Registered accounts: Data synchronized with Firebase cloud services

5.3 Social Features

If you link social accounts, we may access:

  • Basic profile information
  • Email address
  • Public profile data as permitted by the social platform

6. User Content

6.1 Game Data

You retain ownership of your game progress, statistics, and achievements. By using cloud synchronization, you grant us a license to store and process this data.

6.2 Leaderboards

By participating in leaderboards, you agree that your username and game statistics may be publicly displayed.

7. Advertising

The free version displays advertisements through Google AdMob, including:

  • Banner ads
  • Interstitial ads
  • Rewarded video ads

Premium users enjoy an ad-free experience.

8. Code of Conduct

You agree not to:

  • Use the App for illegal purposes
  • Attempt to cheat, hack, or manipulate game results
  • Interfere with other users‘ enjoyment of the App
  • Reverse engineer or modify the App
  • Use automated tools or bots

9. Intellectual Property

9.1 App Content

All content, including but not limited to:

  • Software code
  • Graphics and visual elements
  • Sudoku puzzles
  • User interface design
  • Logos and trademarks

are owned by dowhiletrue.co or licensed for use.

9.2 Open Source Components

The App uses open-source libraries subject to their respective licenses.

10. Third-Party Services

The App integrates with:

  • Firebase (Authentication, Firestore, Analytics, Crashlytics)
  • Google Play Services
  • Google AdMob
  • Social login providers (Google, Facebook)

Use of these services is subject to their respective terms and privacy policies.

11. Disclaimers

The App is provided „as is“ without warranties of any kind. We do not guarantee:

  • Uninterrupted or error-free operation
  • Accuracy of game statistics or leaderboards
  • Availability of cloud synchronization
  • Compatibility with all devices

12. Limitation of Liability

To the maximum extent permitted by law, dowhiletrue.co shall not be liable for:

  • Indirect, incidental, or consequential damages
  • Loss of data or game progress
  • Service interruptions
  • Third-party service failures

13. Termination

We reserve the right to:

  • Terminate or suspend access to the App
  • Delete accounts for Terms violations
  • Modify or discontinue features

You may terminate your account at any time by uninstalling the App.

14. Changes to Terms

We may update these Terms periodically. Continued use after changes constitutes acceptance of the modified Terms.

15. Children’s Privacy

The App is not intended for children under 13. We do not knowingly collect personal information from children under 13.

16. Governing Law

These Terms are governed by the laws of Slovakia, without regard to conflict of law principles.

17. Contact Information

For questions about these Terms, contact us at:

  • Email: info@dowhiletrue.co
  • Website: sudokuoffline.com

18. Platform-Specific Terms

18.1 Android Users

Subject to Google Play Store Terms of Service

18.2 iOS Users

  • Subject to Apple’s Licensed Application End User License Agreement
  • Apple is not responsible for App maintenance or support

29. Severability

If any provision of these Terms is found unenforceable, the remaining provisions remain in effect.

By using the Sudoku App, you acknowledge that you have read, understood, and agree to these Terms of Use.

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