Privacy Policy

Last updated: November 18, 2025

1. Information We Collect

Account Information

  • Email address
  • Name (for parent/guardian accounts)
  • Username and display name (for reader accounts)
  • Password (encrypted)

Reading Data

  • Books read and reading progress
  • Time spent reading
  • Reading goals and achievements
  • Quiz and comprehension check responses

Technical Information

  • Device and browser information
  • IP address
  • Usage data and analytics

2. How We Use Your Information

We use collected information to:

  • Provide and improve the Service
  • Track reading progress and generate insights
  • Communicate with parents and guardians
  • Ensure account security
  • Comply with legal obligations

3. Children's Privacy

We are committed to protecting children's privacy. Child accounts must be created by a parent or guardian. We do not knowingly collect personal information from children without parental consent. We collect only the minimum information necessary to provide the Service.

4. Data Storage and Security

Your data is stored securely using industry-standard encryption and security practices. We use Supabase for data storage, which implements robust security measures including encryption at rest and in transit.

5. Information Sharing

We do not sell or rent your personal information. We may share information only:

  • With service providers who assist in operating the Service (e.g., hosting, analytics)
  • When required by law or to protect our rights
  • With your explicit consent

6. Third-Party Services

We use the following third-party services:

  • Supabase (authentication and database)
  • Vercel (hosting)
  • Open Library API (book information)
  • Grok AI (quiz generation and comprehension checks)
  • Analytics services (usage tracking)

7. AI-Powered Features

We use artificial intelligence (AI) services, including Grok by xAI, to provide personalized reading comprehension checks, quizzes, and content recommendations. When you interact with these features:

  • Your reading progress, book information, and quiz responses may be processed by AI services
  • AI-generated content is used to create personalized questions and feedback
  • We do not train AI models on your personal data
  • Data sent to AI providers is subject to their respective privacy policies

8. Your Rights

You have the right to:

  • Access your personal information
  • Correct inaccurate information
  • Request deletion of your account and data
  • Export your data
  • Opt out of marketing communications

9. Cookies and Tracking

We use essential cookies for authentication and session management. We may use analytics cookies to understand how users interact with the Service. You can control cookie preferences through your browser settings.

10. Data Retention

We retain your information for as long as your account is active or as needed to provide the Service. Upon account deletion, we will delete or anonymize your data within 90 days, except where retention is required by law.

11. International Users

The Service is operated from the United States. By using the Service, you consent to the transfer of your information to the United States and processing in accordance with this Privacy Policy.

12. Changes to Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of significant changes via email or through the Service. Your continued use constitutes acceptance of the updated policy.

13. Contact Us

If you have questions about this Privacy Policy or wish to exercise your rights, please contact us through our contact form.