Mort404 · Learn Polish

Privacy Policy

Last updated: June 2026

Mort404 does not collect, store, or share any personal data. No account is required. No data leaves your device.

01 · Information We Collect

We do not collect any personal information. Mort404 does not require you to create an account, log in, or provide any personal details such as your name, email address, or location.

02 · Local Storage

Your learning progress — including completed lessons, mastered phrases, streak days, and lives — is stored locally on your device using AsyncStorage. This data never leaves your device and is not accessible to us or any third party.

Uninstalling the app will permanently delete all locally stored data.

03 · Advertising

Mort404 is free to use and supported by ads provided by Google AdMob. AdMob may collect certain data to serve relevant advertisements, including device identifiers and usage data. This is governed by Google's own privacy policy, which you can review at policies.google.com/privacy.

We do not control the data collected by AdMob and do not have access to it.

04 · Third-Party Services

The only third-party service integrated into Mort404 is Google AdMob for advertising. No analytics services, crash reporting tools, or other third-party SDKs are used.

05 · Children's Privacy

Mort404 is intended for users aged 13 and older. We do not knowingly collect any data from children under the age of 13.

06 · Changes to This Policy

If we make changes to this privacy policy, we will update the date at the top of this page. Continued use of the app after changes are posted constitutes acceptance of the updated policy.

07 · Contact

If you have any questions about this privacy policy, you can reach us at: dadbot9000@gmail.com