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Privacy Policy

Datenschutzerklärung

Last updated: December 2025

Controller (Verantwortlicher)

ai51 UG (haftungsbeschränkt)

Op den Stüben 28, 21465 Reinbek, Germany

Email: [email protected]

Our Philosophy

We store as little data as possible. We have no interest in your personal data beyond what is strictly necessary to provide the service. We do not sell, share, or monetize your data in any way.

What We Collect & Why

Account Data

Email address and user ID — to identify you and provide the service.

Legal basis: Contract (Art. 6(1)(b) GDPR)

Usage Data

Voice minutes used and timestamps — to track your balance.

Legal basis: Contract (Art. 6(1)(b) GDPR)

Payment Data

Transaction ID, amount, and billing address — to process payments and comply with tax law.

Legal basis: Contract & Legal obligation (Art. 6(1)(b)(c) GDPR). Stored for 10 years per German tax law.

Product Images & Prompts

Your uploaded content — to deliver the AI service.

Legal basis: Contract. Deleted when you delete them or your account.

Voice Recordings

Processed in real-time for AI interaction. Not stored permanently.

Legal basis: Contract (Art. 6(1)(b) GDPR)

Third-Party Processors

Google Firebase (EU servers)

Authentication, database, hosting

firebase.google.com/support/privacy

Google Gemini API

AI voice processing

policies.google.com/privacy

Stripe (EU)

Payment processing

stripe.com/privacy

Your Rights (DSGVO Art. 15-22)

You have the right to:

  • Access — Request a copy of all your data
  • Rectification — Correct inaccurate data
  • Erasure — Delete your data (except legally required retention)
  • Restriction — Limit how we use your data
  • Portability — Receive your data in a standard format
  • Object — Object to data processing
  • Complaint — File a complaint with a supervisory authority (e.g., your state's Datenschutzbeauftragter)

Data Retention

  • Account data: Until you delete your account
  • Payment records: 10 years (German tax law requirement)
  • Usage logs: 90 days

Security

All data is encrypted in transit (TLS) and at rest. Access is restricted to necessary personnel only.

Cookies

We only use essential cookies for authentication. No advertising or analytics cookies. No tracking.

Contact for Data Requests

Email [email protected] with subject "DSGVO Request".

We respond within 30 days.