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Privacy Policy

Last updated: February 13, 2026

1. Information We Collect

When you use 21in21, we collect:

  • Account Information: Email address when you sign up
  • Profile Information: Name and preferences you provide during onboarding
  • Progress Data: Which lessons you complete and when
  • Payment Information: Processed securely by Stripe (we don't store card details)

2. How We Use Your Information

We use your information to:

  • Provide access to courses you've purchased
  • Track your progress and streaks
  • Send daily reminder emails (if enabled)
  • Improve our courses and service

3. Data Sharing

We do NOT sell your personal information. We share data only with:

  • Stripe: For payment processing
  • Resend: For sending emails
  • Supabase: For secure data storage

4. Your Rights

You can:

  • Access your data at any time through your dashboard
  • Delete your account by contacting us
  • Opt out of reminder emails in settings

5. California Privacy Rights

If you are a California resident, the CCPA grants you specific rights: 1. Right to Know: You can request details about the personal information we collect and how we use it. 2. Right to Delete: You can request that we delete your personal information. 3. Right to Non-Discrimination: We will not discriminate against you for exercising your privacy rights. 4. Do Not Sell: We do not sell your personal information. To exercise these rights, please contact us at hello@21in21.co. hello@21in21.co