🔒 Sudoku Privacy Policy

Last Updated: December 10, 2025

📋 Overview

Sudoku (hereinafter referred to as "the App") respects and protects user privacy. This privacy policy explains how we collect, use, and protect your information.

            ⭐ Key Point: This app does NOT collect any personal data or usage information.
        

🚫 Data Collection

This app does NOT collect any personal data or usage information.

Specifically:

❌ No personal identification information (name, email, phone, etc.)
❌ No device information
❌ No location information
❌ No usage statistics
❌ No analytics tools
❌ No advertising services

💾 Data Storage

All app data is stored locally on your device only:

✅ Game progress and saved games
✅ Game history and records
✅ Statistics (win rate, best times, streaks, etc.)
✅ Daily challenges and achievements
✅ Custom sudoku puzzles and folders
✅ App settings and preferences (theme, difficulty, input method, etc.)

This data:

✅ Is stored only on your device
✅ Is NOT uploaded to any server
✅ Is NOT shared with any third party
✅ Can be completely deleted by uninstalling the app

🔑 Permissions

This app uses the following permissions:

INTERNET

Purpose: Load privacy policy page in WebView
Note: Only used when you view the privacy policy page
Data Transfer: Only loads the privacy policy HTML content, no personal data transmitted

ACCESS_NETWORK_STATE

Purpose: Check network connection status
Note: Used to determine if the privacy policy page can be loaded
Data Transfer: No data transmitted

File Access

Method: Uses system file picker (SAF - Storage Access Framework)
Note: Only accesses files you actively select
Permission: No storage permission required, managed by system
Purpose:
- Import sudoku files
- Export sudoku files
- Create and restore backups

💼 Backup Feature

This app provides a backup feature:

✅ Backup files are stored in the location you choose
✅ Backup content: game data, settings, statistics
✅ Backup file format: JSON (readable)
✅ You have complete control over backup file storage and deletion

🔌 Third-Party Services

This app does NOT use any third-party services:

❌ No advertising services
❌ No analytics services
❌ No crash reporting services (unless you actively send reports)
❌ No social media integration
❌ No cloud sync services

👶 Children's Privacy

This app is suitable for all ages:

✅ Does not collect any data
✅ No advertisements
✅ No in-app purchases
✅ No social features
✅ Completely safe

🔐 Data Security

Although this app does not collect data, we still take measures to protect your local data:

✅ Uses Android system's secure storage
✅ Backup files can be encrypted (if you choose)
✅ Follows Android security best practices

⚖️ Your Rights

Since this app does not collect data, you don't need to worry about data access, modification, or deletion. You can:

✅ Uninstall the app at any time to delete all local data
✅ Clear app data at any time (in system settings)
✅ Delete backup files at any time

🔄 Privacy Policy Changes

If we update this privacy policy:

✅ We will notify you in the app
✅ We will update the "Last Updated" date
✅ Major changes will be noted in app update notes

📧 Contact Us

If you have any questions about this privacy policy:

📧 Email: doesantalya@outlook.com

✅ Consent

By using this app, you agree to this privacy policy.

📌 In Short: Sudoku does NOT collect any data. All information is stored only on your device, and your privacy is fully protected.

Sudoku - A clean, ad-free sudoku game