Privacy Policy

1. Who we are

Calmi Experiments is operated by Przemyslaw Golebiewski, Sewanstraße 128, 10319 Berlin, Germany. Contact: support@oboka.life

2. What data we collect

• Email address (required for account creation)
• Experiment data you enter (titles, descriptions, notes, energy levels, reflections)
• Expo push token and reminder time when you enable mobile push reminders
• Payment information (processed by Stripe - we do not store card details)
• Technical data (IP address, browser type, access times) collected automatically via server logs

3. Why we collect it

• Email: to create and manage your account and send transactional emails (verification and password reset)
• Push token: to send optional mobile check-in reminders you enable
• Experiment data: to provide the core service
• Payment data: to process subscriptions via Stripe
• Technical data: for security and service stability

4. Legal basis (GDPR)

• Contract performance (Art. 6(1)(b) GDPR): account and subscription management
• Consent (Art. 6(1)(a) GDPR): optional push reminders
• Legitimate interests (Art. 6(1)(f) GDPR): security logs

5. Data storage

• Data is stored on MongoDB Atlas (AWS Frankfurt, eu-central-1 region, within the EU)
• Stripe processes payments under their own privacy policy

6. Data retention

• Account data is retained while your account is active
• You can request deletion at any time by emailing us

7. Your rights (GDPR)

You have the right to: access, rectification, erasure, restriction of processing, data portability, and objection. To exercise these rights contact: support@oboka.life

You also have the right to lodge a complaint with the supervisory authority (Berliner Beauftragte für Datenschutz und Informationsfreiheit).

8. Cookies and tracking

We do not use tracking cookies or third-party analytics. Session data is stored in your browser sessionStorage only.

9. Third-party services

• Stripe (payments): stripe.com/privacy
• Resend (transactional email): resend.com/privacy
• MongoDB Atlas / AWS (hosting): aws.amazon.com/privacy
• Vercel (frontend hosting): vercel.com/legal/privacy-policy
• Railway (backend hosting): railway.app/legal/privacy

10. Medical disclaimer

Calmi Experiments is a self-tracking tool, not a medical product. It does not replace therapy, psychiatric care, or any professional medical or mental health treatment. If you are experiencing distress or a mental health crisis, please contact a qualified specialist or emergency services.

11. Changes to this policy

We will notify users of significant changes by email. The current version is always available at this URL.