Privacy Policy

EJU One ("we", "our", "the App") is developed by dddogwang. We take your privacy seriously. This Privacy Policy explains how we collect, use, and protect your information when you use EJU One.

1. Information We Collect

Account Information: When you create an account, we collect your email address and display name. If you sign in with Google or Apple, we receive basic profile information (name and email) from those services.

Study Data: We collect your study progress, exam results, bookmarks, and wrong answer records to provide the core functionality of the App.

Device Information: We may collect basic device information (device model, OS version) for debugging and improving the App.

2. How We Use Your Information

• To provide and maintain the App's core features
• To sync your study data across devices (EJUOne Pro)
• To manage your account and subscription status
• To improve the App and fix bugs

3. Data Storage and Security

Your study data is stored locally on your device. If you are an EJUOne Pro user, your data is also synced to our cloud servers powered by Supabase, which uses industry-standard encryption and security practices.

4. Third-Party Services

We use the following third-party services:

• Supabase — Authentication and cloud data storage
• RevenueCat — Purchase management
• Google Sign-In / Apple Sign-In — Third-party authentication

Each of these services has its own privacy policy. We encourage you to review them.

5. Data Sharing

We do not sell, rent, or share your personal information with third parties for marketing purposes. We only share data with the third-party services listed above as necessary to operate the App.

6. Data Retention and Deletion

You can delete your account at any time from the App's settings. Upon deletion, all your cloud data will be permanently removed from our servers.

7. Children's Privacy

The App is intended for students preparing for the EJU examination. We do not knowingly collect personal information from children under 13.

8. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify users of any material changes through the App.

9. Contact Us

If you have any questions about this Privacy Policy, please contact us at: dddogwang@gmail.com