Privacy Policy

Last updated: 2025

1. What We Collect

Account Data

Your email address, provided when you register, used for authentication and service-related communications.

Practice Data

Your answer history, wrong-answer pool, and statistics, stored in your browser (localStorage) and our database. This data is used to provide personalized practice and sync across devices.

Payment Data

Payments are processed by Stripe. We do not store credit card information. We retain only the subscription period, amount, and currency for billing purposes.

2. How We Use Your Data

• To provide and maintain the service
• To sync your practice progress across devices
• To verify subscription status

We do not sell, rent, or share your personal data with any third party, except as required by law.

3. Third-Party Services

• Supabase (supabase.com): database and authentication
• Stripe (stripe.com): payment processing

4. Cookies

We only use cookies necessary to maintain your login session (managed by Supabase Auth). We do not use tracking or advertising cookies.

5. Data Retention

Account data is deleted when you delete your account. Practice data is retained for as long as your account exists to provide the service.

6. Your Rights

You may request at any time:

• A copy of your personal data
• Correction of inaccurate data
• Deletion of your account and associated data

Contact hi@unithing.org for any such requests.

7. Contact

For any privacy-related questions: hi@unithing.org