Privacy Policy

Welcome to DeutschQuiz (“we,” “our,” or “us”). We are committed to protecting your privacy. This Privacy Policy explains how our mobile application collects, uses, and safeguards your information when you use DeutschQuiz (the “Application”).

1. Information We Collect

We collect minimal information to provide and improve our educational services:

• Usage & Practice Data: Your quiz progress, scores, and bookmarked questions are stored locally on your device to enable core app functionality and offline mode.
• Device Identifiers & Technical Data: Mobile device identifiers (such as IDFA for iOS or AAID for Android), operating system version, and device type for diagnostics and ad delivery.
• Purchase Data: In-App Purchases and Subscriptions are processed securely by Apple App Store or Google Play Store. We do not collect or store your payment details or credit card information.

2. Third-Party Services

The Application uses third-party services that may collect information used to identify your device or analyze application performance. Links to the privacy policies of third-party service providers used by the app:

• Google Play Services & Google AdMob
• Google Analytics for Firebase
• Apple App Store Services

3. How We Use Your Information

We use the collected information for the following purposes:

• To provide core features such as interactive practice exercises, grammar explanations, and bookmarks.
• To deliver relevant, non-intrusive advertisements (for non-subscribers).
• To analyze app performance, fix crashes, and improve overall user experience.
• To verify active Pro subscription status across application sessions.

4. Advertising & Data Tracking

We show advertisements via Google AdMob to keep basic features free for our users. You can upgrade to DeutschQuiz Pro to remove all ads and enable offline mode. On iOS, we respect Apple’s App Tracking Transparency (ATT) framework and ask for your permission before tracking device identifiers for personalized ads.

5. Children’s Privacy

Our Application does not knowingly collect personally identifiable information from children under the age of 13. If you are a parent or guardian and discover that your child has provided us with personal information, please contact us so we can take necessary actions.

6. Data Security & Storage

Your local learning data (bookmarks, study history) remains stored on your device. We implement industry-standard measures to ensure data security and prevent unauthorized access.

7. Your Data Rights & Deletion

Since your progress data is stored locally on your device, you can clear all app data at any time by uninstalling the application or clearing storage in your device settings. If you have any inquiries regarding your data, please contact us.

8. Changes to This Privacy Policy

We may update our Privacy Policy from time to time. We advise you to review this page periodically for any changes. Changes are effective immediately upon being posted on this page.