Privacy Policy

1. Information we collect

When you use PatternFlow, we collect the following information:

• Email address and name (when you sign up via Clerk authentication)
• DSA problems you submit for analysis
• Your solve history and usage patterns
• Payment information (processed securely by Razorpay — we never store card details)
• Basic usage analytics (page views, feature usage)

2. How we use your information

• To provide and improve the PatternFlow service
• To save your solve history and track your progress
• To process payments and manage your subscription
• To send important service updates (no spam)
• To analyze usage patterns and improve AI responses

3. Data storage

Your data is stored securely using Supabase (PostgreSQL database hosted on AWS). Authentication is handled by Clerk. We use industry-standard encryption for all data in transit and at rest.

4. Third-party services

We use the following third-party services:

• Clerk — Authentication and user management
• Supabase — Database storage
• Razorpay — Payment processing
• OpenRouter / Google Gemini — AI analysis
• Vercel — Hosting

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

5. Data retention

Free users: Solve history is not stored permanently. Paid users: Solve history is retained for 30 days (Basic) or indefinitely (Pro). You can request deletion of your data at any time by contacting us.

6. Your rights

• Access your personal data
• Request correction of inaccurate data
• Request deletion of your account and data
• Export your solve history

7. Contact

For any privacy-related questions, contact us at: