Privacy Policy

Last updated: 11/29/2025

1. Information We Collect

We collect information you provide directly to us, including:

  • Email address (when you create an account)
  • Book details you enter (title, subtitle, author name)
  • Cover images you upload
  • Usage data (pages visited, features used)

2. How We Use Your Information

We use the information we collect to:

  • Provide, maintain, and improve BestsellIt
  • Create and manage your account
  • Generate and store your bestseller shelf visualizations
  • Send you technical notices and support messages

3. Information Sharing

We do not sell your personal information. We may share information in the following cases:

  • When you create a public shelf, it can be viewed by anyone with the link
  • With service providers who assist in our operations
  • If required by law or to protect rights and safety

4. Data Storage

Your data is stored securely using Supabase. Cover images are stored in cloud storage. While we take reasonable measures to protect your data, no method of transmission over the Internet is 100% secure.

5. Data Retention

We retain your account information and shelves until you delete them or close your account. We may retain certain information as required by law or for legitimate business purposes. Note: We do not guarantee indefinite storage and may remove old or inactive data.

6. Your Rights

You have the right to:

  • Access your personal information
  • Delete your account and associated data
  • Delete individual shelves you've created
  • Opt out of marketing communications

7. Cookies

We use cookies and similar technologies to maintain your session, remember your preferences, and analyze usage patterns.

8. Third-Party Services

BestsellIt uses third-party services including:

  • Supabase for authentication and database
  • Vercel for hosting (if applicable)

These services have their own privacy policies.

9. Children's Privacy

BestsellIt is not intended for children under 13. We do not knowingly collect information from children under 13.

10. Changes to This Policy

We may update this privacy policy from time to time. We will notify you of any changes by posting the new policy on this page.

11. Contact Us

If you have questions about this Privacy Policy, please contact us through the app.