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Privacy Policy

Last updated: Feburary 15, 2026

This Privacy Policy explains how this application ("the Service") collects, uses, and protects your information when you use the Service. The Service is an independently developed educational web application for learning Japanese kanji.

1. Information We Collect

We collect the following types of information to provide and improve the Service:

  • Account Information: We collect your email address and related account credentials provided by you or authorized third-party login providers for account creation and authentication purposes.
  • Learning Activity Data: We store data related to your learning progress, such as quiz results, study history, and user preferences.
  • Technical Data: When you access the Service, our servers (and third-party providers) automatically record standard log data, including your IP address, browser type, device information, and timestamps. This is strictly for security, debugging, and maintaining the stability of the Service.

2. How We Use Your Information

Your information is used solely for:

  • Creating and managing your account.
  • Tracking your learning progress and quiz performance.
  • Improving the educational experience and application features.
  • Ensuring the stability and security of the Service (e.g., preventing abuse).

We do not sell, rent, or share your personal information to third parties for advertising purposes.

3. Cookies and Local Storage

The Service uses Cookies and Local Storage to maintain your login session and save your preferences. These technologies are essential for the authentication system to function correctly. By using the Service, you consent to the use of these technologies.

4. Data Storage and Security

All data is stored securely using industry-standard cloud infrastructure. We take reasonable measures to protect access to administrative systems; however, no method of transmission over the Internet is 100% secure.

5. Data Retention

Your data is retained for as long as your account exists. You may request the deletion of your account and all associated data at any time.

6. Children's Privacy

The Service is not intended for individuals under the age of 13. We do not knowingly collect personal information from children under 13. If we become aware that we have collected personal information from a child under 13, we will take steps to delete such information.

7. Your Rights

Depending on your location, you may have the right to:

  • Access the personal data we hold about you.
  • Request correction of inaccurate data.
  • Request deletion of your data.

To make such a request, please contact us at the email provided below.

8. International Users

The Service is available globally. By using the Service, you consent to the storage and processing of your information in cloud servers that may be located outside your country of residence.

9. Changes to This Policy

This Privacy Policy may be updated from time to time. We will notify users of any significant changes by updating the "Last updated" date at the top of this policy. Continued use of the Service constitutes acceptance of any changes.

10. Contact

For any questions regarding this Privacy Policy or to request data deletion, please contact:

Email: info@jpatch.io