Privacy Policy

Last Updated: April 7, 2026

1. Information We Collect

1.1 Account Information

  • Email address
  • Password (encrypted)
  • Subscription information
  • Payment information (processed by Stripe)

1.2 Usage Data

  • Conversation transcripts you upload
  • Analysis results
  • Feature usage
  • Error logs

1.3 Technical Data

  • IP address
  • Browser type
  • Device information
  • Cookies and similar technologies


2. How We Use Your Information

We use your information to:

  • Provide and improve the Service
  • Process payments
  • Send service-related communications
  • Analyze usage patterns
  • Prevent fraud and abuse
  • Comply with legal obligations


3. Data Storage

3.1 Where We Store Data

  • Data is stored in Supabase (PostgreSQL)
  • Data is encrypted at rest
  • Data is backed up regularly

3.2 Data Retention

  • Account data: Retained while account is active
  • Conversation data: Retained until you delete it
  • Deleted data: Removed within 30 days


4. Data Sharing

We do NOT sell your data. We may share data:

  • With service providers (Supabase, Stripe) for service delivery
  • If required by law
  • To protect our rights and safety
  • With your consent


5. Your Rights

You have the right to:

  • Access your data
  • Correct inaccurate data
  • Delete your data
  • Export your data
  • Object to processing
  • Withdraw consent

To exercise these rights, contact us at support@mindvault.mysticarcana.com.


6. Security

We implement security measures:

  • Encryption in transit (HTTPS)
  • Encryption at rest
  • Secure authentication
  • Regular security audits

However, no method is 100% secure. Use the Service at your own risk.


7. Cookies

We use cookies to:

  • Maintain your session
  • Remember your preferences
  • Analyze usage

You can disable cookies in your browser settings.


8. Third-Party Services

We use:

  • Supabase - Database and authentication
  • Stripe - Payment processing
  • Google Analytics (optional) - Analytics

These services have their own privacy policies.


9. Children's Privacy

The Service is not intended for users under 18. We do not knowingly collect data from children.


10. International Users

If you are outside the United States, your data may be transferred to and processed in the United States.


11. Changes to Privacy Policy

We may update this Privacy Policy. We will notify you of material changes.


12. Contact

For privacy questions, contact:

  • Email: support@mindvault.mysticarcana.com
  • Address: MysticArcana, LLC


By using MindVault, you agree to this Privacy Policy.