Privacy Policy

Effective Date: October 8, 2025

Last Updated: October 8, 2025

Thank you for using the Sudoku Game app. We highly value your privacy protection, and this privacy policy details how we collect, use, store, and protect your personal information.

1. Information Collection

When using our services, we may collect the following types of information:

• Account Information: When you create an account, we may collect your username, email address, and other information
• Device Information: Including device model, operating system version, unique device identifier, app version, etc.
• Usage Data: Game progress, settings preferences, feature usage, game statistics, etc.
• Purchase Information: Subscription status, purchase records, payment information (processed through App Store or Google Play)
• Technical Information: IP address, network type, app crash logs, etc.

2. Information Usage

We collect your information to:

• Provide, maintain, and improve our game services
• Save your game progress and settings
• Process subscriptions and purchases
• Provide customer support and technical assistance
• Send important notifications (such as service updates, policy changes)
• Conduct data analysis to improve user experience
• Detect and prevent fraudulent behavior

3. Auto-Renewal Subscriptions

If you choose to subscribe to our premium service:

• Subscription Periods: We offer weekly, monthly, half-yearly, and yearly subscription options
• Auto-Renewal: Subscriptions will auto-renew unless auto-renewal is turned off at least 24 hours before the end of the current period
• Payment Processing:
  • iOS Users: Payment will be charged to your iTunes Account at confirmation of purchase
  • Android Users: Payment will be charged to your Google Play Account at confirmation of purchase
• Subscription Management:
  • iOS Users: You can manage your subscription and turn off auto-renewal in your iTunes Account settings
  • Android Users: You can manage your subscription and turn off auto-renewal in your Google Play Store subscription page
• Price Changes: Subscription prices and terms may change, and we will notify you in advance
• Refund Policy: Refund requests must be processed through the respective app store (App Store or Google Play)

4. Information Sharing

We will not sell, trade, or otherwise transfer your personal information, except when:

• We have obtained your explicit consent
• Required or permitted by laws and regulations
• To protect our legitimate interests (such as investigating fraud)
• Sharing with trusted third-party service providers (such as data analysis services), but these third parties must comply with strict confidentiality obligations

5. Data Security

We take reasonable technical and organizational measures to protect your personal information:

• Using encryption technology to protect data transmission
• Restricting access to personal information
• Regular security assessments and updates
• Privacy protection training for employees

6. Data Retention

We only retain your personal information when necessary:

• Account Information: During your use of the service and for a period after account closure
• Game Data: According to your preference settings
• Purchase Records: Retained according to legal requirements

7. Your Rights

Under applicable law, you have the right to:

• Access, correct, or delete your personal information
• Restrict or object to the processing of your personal information
• Withdraw your consent
• Data portability

8. Children's Privacy

Our services are not directed to children under 13. If we discover that we have collected personal information from children under 13, we will immediately delete such information.