1. Information We Collect
Preplex is designed without user accounts. We do not collect personal identifiers such as name, email, phone number, or passwords.
We collect:
- Analytics Data (Firebase Analytics) — anonymous usage patterns, feature engagement, session counts.
- Crash Reports (Firebase Crashlytics) — technical logs to improve stability.
- Advertising Data (Google AdMob) — device identifiers and limited diagnostic data for ads.
- Consent Signals (Google UMP) — only for regions requiring GDPR/EEA consent.
2. How We Use Your Data
- To operate core app features (learning sessions, word packs, progress tracking).
- To analyze performance and improve content quality.
- To deliver ads and measure ad performance.
- To show region-appropriate consent dialogs (EEA/UK).
3. Third-Party Services
Preplex uses trusted third-party SDKs to provide essential app functionality:
- Google Mobile Ads (AdMob)
- Google User Messaging Platform (UMP)
- Firebase Analytics
- Firebase Crashlytics
These services may collect anonymized technical data in accordance with their policies.
4. Your Choices
- You can deny app tracking via the iOS ATT system prompt.
- EEA/UK users may adjust consent through the app’s consent prompt.
- You can disable personalized ads in Settings → Privacy & Security → Tracking.
5. Children’s Privacy
Preplex is not directed to children under 13. If you believe a child has provided us data, please contact us and we will delete it promptly.
6. Contact Us
If you have questions about this Privacy Policy, contact us: