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Privacy Policy

1. Basic Policy

OmakaseMaster (hereinafter referred to as "this App") places the highest priority on user privacy. This App provides sushi-related learning and information services, and we take every possible measure to protect users' personal information.

2. Information We Collect

This App operates based on the following principles:

• No external transmission of personal information: Personal information entered by users (learning history, settings, etc.) is never transmitted to external servers
• Local storage only: All input data is stored only within the user's device
• Automatic deletion: All stored data will be completely deleted when the app is uninstalled

3. Purpose of Data Use

Collected data is used only for the following purposes:

• Local storage of learning history
• App functionality improvement
• User experience enhancement

4. Sharing with Third Parties

This App does not share user information with third parties except for the following:

• Google AdMob: Only technical information such as device identifiers for advertising delivery
• Legal obligations: When there is a disclosure request based on laws and regulations

5. About Advertising

This App uses Google AdMob to display advertisements:

• Displays banner ads and reward ads
• Personalized ads are disabled
• Uses only minimal technical information for ad display
• We are not responsible for the content of advertisements

6. Data Storage Period

• Learning data: Stored locally until deleted by user
• Settings data: Stored locally until deleted by user
• App deletion: All data is automatically deleted

7. Security

This App implements the following security measures:

• Encrypted data storage
• Use of secure communication protocols (HTTPS)
• Regular security audits
• Application of latest security updates

8. User Rights

Users have the following rights:

• Viewing stored data
• Deleting stored data
• Discontinuing app use
• Inquiring about this policy

9. Use by Minors

This App is not intended for use by persons under 13 years of age. If persons under 13 years of age use this App, please obtain parental consent before use.

10. Integration with Third-Party Services

This App uses the following external services:

• Google AdMob: Advertising delivery
• Firebase: App version management only

Please also review the privacy policies of these services.

11. Policy Changes

This Privacy Policy may be updated as necessary. Important changes will be notified within the app. The latest version can be found on this page.

12. Governing Law

This Privacy Policy is governed by Japanese law, and Japanese courts shall have jurisdiction.