Last Updated: September 1, 2026

AI Wortschatz ("we," "our," or "the app") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our language learning mobile application. By using AI Wortschatz, you agree to the terms of this Privacy Policy.

1. Information We Collect

We collect information necessary to provide tailored language learning experiences:

• Account Information: Name, native language, target learning language, and email address
• Learning Preferences: Daily study time, learning goals, and TDAH adaptation preferences
• App Progress Data: Completed study modules, daily task status, and vocabulary history
• Technical & Ad Data: Basic device identifiers for performance and Google AdMob ad delivery

2. How We Use Your Information

• To generate hyper-personalized language study plans and exercises using DeepSeek AI
• To track your daily learning progress and maintain streaks
• To deliver freemium rewarded ads and manage subscription status
• To improve app stability, performance, and user experience

3. Use of Artificial Intelligence

AI Wortschatz utilizes AI APIs (including DeepSeek) to generate custom vocabulary lists and exercise prompts. Data sent to AI processing is anonymized and stripped of personally identifiable information.

4. Third-Party Services & Advertising

We integrate Google AdMob for ad serving. Google AdMob may collect device identifiers and usage data according to Google's Privacy Policy.

5. Your Rights & Data Deletion

You have the right to access, export, or delete your account and associated learning data at any time via our Account Deletion Request Page.

6. Contact Us

If you have any questions regarding this Privacy Policy, please contact us at: [email protected]