Terms of Service

Last updated: March 2026

The Service

Prägen is a German learning tool that provides AI-powered word lookups, vocabulary management, flashcard review, grammar articles, and quizzes.

Accounts

You sign in via Google or Apple. You're responsible for keeping your account secure. One person per account — don't share credentials.

Free & Premium Tiers

Free accounts have daily limits on AI lookups and article reads. Premium subscriptions (monthly or yearly) remove these limits. Payments are handled by Stripe. You can cancel anytime — access continues until the end of your billing period.

AI-Generated Content

Word definitions, examples, and enrichment data are generated by AI and may contain errors. Prägen is a learning aid, not a certified reference. Always verify important information with authoritative sources.

Acceptable Use

Use Prägen for personal language learning. Don't abuse the API, attempt to access other users' data, or use automated tools to scrape content.

Termination

You can stop using Prägen at any time. We may suspend accounts that violate these terms.

Liability

Prägen is provided "as is" without warranties. We're not liable for learning outcomes or decisions made based on AI-generated content.

Changes

We may update these terms. Continued use after changes means you accept the new terms.