SudokuCracker Privacy Policy

This Privacy Policy describes how SudokuCracker ("we," "our," or "us") collects, uses, and protects your information when you use our mobile application.

1. Information We Collect

Camera Access

Our app requests camera permission to scan Sudoku puzzles using Optical Character Recognition (OCR). Camera images are processed locally on your device and are not stored, transmitted, or shared with any third parties.

Analytics Data

We collect anonymous usage analytics through Google Firebase Analytics, including:

• App usage patterns and feature interactions
• Device information (model, operating system version)
• Performance metrics and crash reports
• General location (country/region level only)

Advertising Data

We use Google Mobile Ads which may collect:

• Advertising identifiers
• Device information for ad targeting
• Ad interaction data

2. How We Use Information

We use collected information to:

• Provide core app functionality (Sudoku puzzle scanning and solving)
• Improve app performance and user experience
• Display relevant advertisements to support free app usage
• Analyze usage patterns to enhance features
• Fix bugs and technical issues

3. Data Sharing

We do not sell, trade, or share your personal information with third parties, except:

• Google Services: Analytics and advertising data is processed by Google Firebase and Google Ads in accordance with their privacy policies
• Legal Requirements: When required by law or to protect our rights

Camera images are processed entirely on your device using Google ML Kit and are never transmitted or stored.

4. Data Security

We implement appropriate security measures to protect your information:

• Camera data is processed locally and immediately discarded
• Analytics data is anonymized and encrypted in transit
• We follow industry-standard security practices
• No personal identification information is collected or stored

5. Children's Privacy

Our app is suitable for all ages. We do not knowingly collect personal information from children under 13. The app:

• Does not require account creation or personal information
• Uses only anonymous analytics data
• Displays age-appropriate advertisements
• Processes camera data locally without storage

If you believe we have inadvertently collected information from a child under 13, please contact us immediately.

6. Third-Party Services

Our app uses the following third-party services:

• Google Firebase Analytics: Privacy Policy
• Google Mobile Ads: Privacy Policy
• Google ML Kit: Processing occurs on-device, Privacy Information

7. Your Rights

You have the right to:

• Deny camera permission (app functionality will be limited)
• Opt out of personalized ads through your device settings
• Request information about data we collect
• Request deletion of your data (limited to analytics identifiers)

8. Changes to This Policy

We may update this Privacy Policy periodically. Changes will be posted on this page with an updated "Last Updated" date. Continued use of the app after changes constitutes acceptance of the updated policy.

SudokuCracker - Solve Sudoku puzzles instantly with camera OCR technology