Data safety
This matches what we declare in the “Data safety” section on Google Play. The details are in the privacy policy.
Last updated: 27 October 2026
- Data is encrypted in transit (HTTPS).
- You can ask for your data to be deleted.
- No account needed: no name, no email address, no location.
- Your study progress stays on your phone.
What is collected
| Data type | Purpose | Optional | Shared |
|---|---|---|---|
| App activity (app interactions) | Analytics, only with consent | Yes | No |
| App info and performance (crash logs, diagnostics) | App functionality, stability | No | No |
| Purchase history | App functionality (unlocking the Pass Pack) | Yes | No |
| Device or other IDs (advertising ID) | Advertising, only for optional videos | Yes | Yes |
More: Privacy policy ·Delete your data