Privacy Policy

Last updated: February 2026

1. Information We Collect

Account information: When you sign up, we collect your name, email address, and authentication credentials.

Usage data: We collect information about how you use the Service, including pages visited, features used, and error reports (via Sentry).

Payment information: Payment processing is handled by Stripe. We do not store your credit card details. We retain your Stripe customer ID for billing purposes.

2. How We Use Your Information

We use your information to:

  • Provide and maintain the Service
  • Process payments and manage subscriptions
  • Send transactional emails (welcome, billing confirmations)
  • Monitor and fix errors and performance issues
  • Improve the Service based on usage patterns

3. Data Storage and Security

Your data is stored securely in Supabase (PostgreSQL) with row-level security policies ensuring that only you can access your own data. All data is transmitted over HTTPS. We use industry-standard security practices to protect your information.

4. Data Sharing

We do not sell, trade, or share your personal data with third parties for marketing purposes. We share data only with:

  • Stripe — for payment processing
  • Supabase — for data storage and authentication
  • Sentry — for error monitoring (no personal data, only technical error context)
  • Resend — for transactional emails

5. Your Rights

You have the right to:

  • Access your personal data
  • Export your data at any time (JSON export)
  • Request deletion of your account and data
  • Update or correct your information

6. Cookies

We use essential cookies for authentication session management. We do not use advertising or tracking cookies.

7. Changes to This Policy

We may update this policy from time to time. We will notify users of material changes via email.

8. Contact

For privacy-related questions, contact us at privacy@costmode.com.