Privacy Policy for Sudoku - Play Daily Offline
Last Updated: January 18, 2026
Introduction
This Privacy Policy describes how our Sudoku game (the App) handles your information. We are committed to protecting your privacy and being transparent about our practices.
Information We Collect
Locally Stored Data Only
The App stores data only on your device using local storage. We do NOT collect, transmit, or store any personal information on external servers. All game data remains on your device.
The following information is stored locally:
1. Game Progress Data
- Current game board state
- Notes and candidate numbers you've entered
- Elapsed time for current game
- Mistake count
- Pause state
2. Game Settings
- Theme preference (Light/Dark/System)
- Sound and vibration preferences
- Timer display preference
- Advanced highlighting settings
- Digit-first input mode preference
- Smart hints preference
- Auto-notes preference
3. Statistics and Achievements
- Games played and completed
- Best completion times per difficulty level
- Win/loss records
- Achievement unlocks
- Daily streak count
- Last played date
4. Premium Subscription Status
- Local record of premium subscription purchase
- Subscription expiration status (managed locally)
How We Use Your Information
All data stored locally is used solely to:
- Save your game progress so you can continue later
- Remember your preferences and settings
- Track your personal statistics and achievements
- Provide daily challenges with consistent puzzles
- Manage premium subscription status and features
Data Sharing and Third Parties
We do NOT:
- Collect any personal information (name, email, phone number, etc.)
- Use analytics or tracking services
- Share any data with third parties
- Send data to external servers
- Use advertising networks
- Require account creation or login
In-App Purchases:
- Subscription purchases are processed securely through Google Play Billing
- Google Play handles payment processing and subscription management
- We do not have access to your payment information or billing details
- Purchase receipts are managed by Google Play services
Data Security
Your data is stored securely on your device using the device's built-in secure storage mechanisms (SharedPreferences on Android/iOS). Since no data leaves your device, there is no risk of data breaches from our servers.
Premium subscription status is verified locally and does not require ongoing server communication.
Your Rights and Choices
You have complete control over your data:
- Clear Data: You can clear all app data through your device's app settings
- Uninstall: Uninstalling the app will permanently delete all locally stored data
- Settings: You can modify game preferences at any time through the in-app settings
- Subscriptions: You can manage and cancel subscriptions through Google Play Store settings
Children's Privacy
The App does not collect any personal information from anyone, including children under 13. The game is safe for all ages.
Changes to This Policy
We may update this Privacy Policy from time to time. Any changes will be reflected in the "Last Updated" date at the top of this policy.
Contact Information
If you have questions or concerns about this Privacy Policy, please contact us at:
mikedevlopr@gmail.com
Data Retention
- Game data is retained until you clear it manually or uninstall the app
- Premium subscription status is managed locally and persists until cancelled
- No automatic data deletion occurs
- No data is retained on external servers
Permissions
The App requests the following permissions:
- Storage access for saving game data locally
- Billing permission for processing in-app subscription purchases through Google Play
All permissions are handled by the Android system and Google Play services.