MathTier Privacy Policy

Effective Date: May 27, 2026
Developer: Revoself Games
Contact: revoselfgames@gmail.com

MathTier is a general-audience mathematics learning and practice app developed by Revoself Games.

MathTier is not specifically directed to children under 13. The app is intended for a general audience.

1. Data Collection

MathTier does not require users to create an account, register, log in, or provide personal information to Revoself Games.

Revoself Games does not collect, store, sell, or share personal user data through its own servers.

MathTier does not have a user account system or a Revoself Games server for storing user progress.

2. Local App Data

MathTier stores app progress and settings only on the user’s device.

This may include:

This data is used only to make the app work properly and to continue the user’s learning progress.

This data is not sent to Revoself Games.

If the user deletes the app, clears app data, changes device, or resets the device, this local data may be deleted. Revoself Games cannot restore locally deleted progress.

3. Advertising

MathTier uses Google AdMob to show ads.

Ads may appear on passive screens such as the home screen, module screen, level selection screen, settings screen, or statistics screen.

Ads are not intended to interrupt active learning screens such as lesson cards, active question screens, wrong answer explanations, result screens, or module completion screens.

Google AdMob may process advertising-related data according to Google’s own privacy policy and the user’s consent choices. Revoself Games does not control Google’s independent data processing.

4. Consent

MathTier uses Google User Messaging Platform to manage privacy and advertising consent where required.

Depending on the user’s region, Google may show a consent message. Users may also access privacy choices from the app settings when available.

5. In-App Purchases

MathTier uses Google Play Billing for in-app purchases.

The app may offer a Remove Ads purchase. When purchased, ads are removed from the app experience.

Payments, refunds, purchase validation, and billing information are handled by Google Play. Revoself Games does not collect or store payment card information.

6. Third-Party Services

MathTier may use these third-party services:

These services may process data according to their own privacy policies and terms.

7. Children’s Privacy

MathTier is not specifically directed to children under 13.

Revoself Games does not knowingly collect personal information from children through MathTier.

If you believe that a child has provided personal information, please contact us at revoselfgames@gmail.com.

8. Data Sharing

Revoself Games does not sell personal data.

Revoself Games does not share locally stored learning progress with third parties.

Third-party services used in the app, such as Google AdMob and Google Play Billing, may process data according to their own policies.

9. Security

MathTier is designed to avoid collecting personal data directly.

Learning progress and settings are stored locally on the user’s device. Users are responsible for their own device, storage, backups, and app data.

10. Changes to This Policy

This Privacy Policy may be updated from time to time. Updates will be posted on this page.

11. Contact

For questions about this Privacy Policy, contact:

Revoself Games
Email: revoselfgames@gmail.com