Privacy Policy

Last Updated: June 2026

Welcome to Brain Train Sudoku ("we", "our", or "us"). This Privacy Policy explains how Brain Train Sudoku collects, uses, and protects your information when you use our mobile application.

Contact Information

Information We Collect

Information You Provide

Brain Train Sudoku does not require personal information to play.

If you contact us for support, we may receive information you voluntarily provide, including:

• Email address
• Support requests
• Feedback and communications

Automatically Collected Information

Depending on your device and platform, we may automatically collect:

• Device type and model
• Operating system version
• App version
• Language settings
• Anonymous gameplay statistics
• Crash reports and diagnostics

This information helps improve app performance, stability, and user experience.

How We Use Information

We may use collected information to:

• Provide and maintain the application
• Save game progress
• Improve gameplay experience
• Diagnose technical issues
• Respond to support requests
• Analyze app performance and usage trends

Analytics

Brain Train Sudoku may use third-party analytics services to understand how users interact with the application.

Analytics providers may collect anonymous usage information such as:

• Session duration
• Feature usage
• Device information
• Performance metrics

We do not use analytics data to personally identify users.

Advertising

Brain Train Sudoku may display advertisements through third-party advertising providers.

These providers may use device identifiers and similar technologies to deliver relevant advertisements and measure advertising performance.

Data Storage

Game progress and settings may be stored locally on your device and, where applicable, in cloud storage services associated with your platform.

We take reasonable measures to protect information from unauthorized access, disclosure, or misuse.

Children's Privacy

Brain Train Sudoku is intended for general audiences.

We do not knowingly collect personal information from children under the age of 13. If you believe a child has provided personal information, please contact us.

Third-Party Services

The app may use third-party services such as:

• Analytics providers
• Advertising providers
• Cloud storage providers
• Crash reporting services

These services operate under their own privacy policies.

Your Rights

Depending on your location and applicable laws, you may have rights regarding your personal information, including:

• Access to information we hold
• Correction of inaccurate information
• Deletion of personal information
• Restriction of processing
• Objection to certain processing activities

To exercise your rights, contact us at support@braintrainsudoku.com .

Data Retention

We retain information only as long as necessary to provide services, comply with legal obligations, resolve disputes, and enforce agreements.

Security

We implement reasonable technical and organizational measures to protect information against unauthorized access, loss, misuse, or alteration.

However, no method of electronic storage or transmission is completely secure.

Changes to This Privacy Policy

We may update this Privacy Policy from time to time.

Any changes will be posted within the application and/or on the applicable app store listing. Continued use of the app after updates constitutes acceptance of the revised Privacy Policy.

Consent

By using Brain Train Sudoku, you agree to the collection and use of information as described in this Privacy Policy.