Terms of Service
Last updated: August 2025
Service Description
Zettelwerk provides AI-powered German vocabulary learning through a Telegram bot. Our service includes mnemonic generation, vocabulary management, and Anki export functionality.
Subscription Terms
- Free Trial: 24-hour trial period with full access
- Premium Subscription: $4.99/month, billed monthly via Stripe
- Cancellation: Cancel anytime with no penalties
- Refunds: Contact support for refund requests
Acceptable Use
- Use the service for personal German language learning
- Do not abuse, spam, or misuse the bot
- Respect our AI-generated content and don't redistribute commercially
- Follow Telegram's terms of service when using our bot
Service Availability
- We strive for reliable service but cannot guarantee uninterrupted availability
- Scheduled maintenance will be announced in advance when possible
- We are not liable for temporary service interruptions
Intellectual Property
- AI-generated mnemonics are provided for your personal learning use
- You retain ownership of your vocabulary data and can export it anytime
- Our software, algorithms, and branding remain our property
Limitation of Liability
Zettelwerk is provided "as is" for educational purposes. We are not liable for any damages arising from use of our service.
Changes to Terms
We may update these terms occasionally. Continued use of the service indicates acceptance of updated terms.
Contact
Questions about these terms? Contact us at zettelwerk@posteo.net