1. Introduction

Welcome to Revision Hub ("we," "our," or "us"). We are committed to protecting your personal information and your right to privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our website and services.

2. Information We Collect

2.1 Personal Information

When you create an account, we collect:

• Email address
• Name (if provided)
• Account credentials (managed securely by Clerk)

2.2 Usage Data

We automatically collect certain information about your device and how you interact with our service:

• Search queries and search history
• Questions viewed, completed, and bookmarked
• Exams accessed and completed
• Study progress and streaks
• Browser type and version
• Device information
• IP address
• Pages visited and time spent on pages

2.3 Payment Information

If you subscribe to a paid plan, payment information is processed by Stripe. We do not store your complete credit card information. We receive only limited information from Stripe necessary to manage your subscription (customer ID, subscription status, invoice status).

3. How We Use Your Information

We use your information to:

• Provide, operate, and maintain our services
• Process your account registration and authentication
• Track your study progress and maintain streaks
• Save your bookmarked questions and completed exams
• Personalize your experience and provide relevant content
• Process payments and manage subscriptions
• Send you service-related communications
• Improve our services through analytics
• Detect and prevent fraud or abuse
• Comply with legal obligations

4. Data Sharing and Disclosure

4.1 Third-Party Service Providers

We share your information with trusted third-party service providers:

• Clerk - Authentication and user management
• Stripe - Payment processing
• Cloudflare R2 - Image and content storage
• OpenAI - Search and content processing
• Pinecone - Vector search capabilities

4.2 Legal Requirements

We may disclose your information if required by law, court order, or government regulation, or if we believe disclosure is necessary to protect our rights, your safety, or the safety of others.

5. Data Storage and Security

We implement appropriate technical and organizational measures to protect your information:

• Encrypted data transmission (HTTPS/TLS)
• Secure database storage with access controls
• Regular security assessments
• Authentication managed by Clerk with industry-standard security

However, no method of transmission over the Internet is 100% secure. While we strive to protect your data, we cannot guarantee absolute security.

6. Your Rights and Choices

Depending on your location, you may have the following rights:

• Access: Request access to your personal information
• Correction: Request correction of inaccurate information
• Deletion: Request deletion of your account and data
• Data Portability: Request a copy of your data in a portable format
• Opt-out: Unsubscribe from marketing communications
• Restriction: Request restriction of processing

To exercise these rights, please contact us at support@leapeiron.com.

7. Cookies and Tracking

We use cookies and similar tracking technologies to enhance your experience. For detailed information, please see our Cookie Policy.

8. Data Retention

We retain your personal information for as long as your account is active or as needed to provide services. If you delete your account, we will delete or anonymize your personal information within 90 days, except where we are required to retain it for legal purposes.

9. Children's Privacy

Our services are intended for students of all ages, including those under 16. If you are under 16, please ensure you have your parent or guardian's permission before using our services. Parents can contact us to review, modify, or delete their child's information.

10. International Data Transfers

Your information may be transferred to and processed in countries other than your country of residence. We ensure appropriate safeguards are in place to protect your information in accordance with this Privacy Policy.

11. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of material changes by posting the new policy on this page and updating the "Last updated" date. Continued use of our services after changes constitutes acceptance of the updated policy.

12. Contact Us

If you have questions about this Privacy Policy or our privacy practices, please contact us: