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Privacy Policy for Zento Math Fun

Last updated: February 20, 2026

1. Introduction

Welcome to Zento Math Fun, a mobile application published by ZentoMedia ("we," "our," or "us"). We are committed to protecting the privacy of our users ("user" or "you"), especially children. This Privacy Policy explains how we collect, use, and safeguard information when you use Zento Math Fun (package: net.zentomedia.zentomath).

2. Information Collection

We do not knowingly collect any personally identifiable information from children under the age of 13.

  • Personal Data: We do not require users to create an account or provide names, addresses, or phone numbers.
  • Non-Personal Data: We may collect non-personal information such as device type, operating system version, and general usage data to improve app stability and performance.

3. Advertising and Third-Party Services

This app uses AdMob (Google) to display advertisements and Google Play Billing to process the optional one-time "Remove Ads" purchase. These services may process limited technical or transaction-related data in accordance with their own policies.

  • Family Policy: We have configured our ad settings to be compliant with Google Play's Families Policy. We filter sensitive ad categories and ensure ads are appropriate for children.
  • No Personalized Ads for Children: We do not use interest-based (personalized) advertising for users identified as children.
  • In-App Purchase: This app offers a one-time "Remove Ads" purchase via Google Play Billing. No personal payment data is collected by us — all transactions are handled by Google Play.

4. Children's Privacy (COPPA Compliance)

Our app is designed for children and families. We comply with the Children's Online Privacy Protection Act (COPPA). We do not collect personal information from children. If you believe we have inadvertently collected such information, please contact us so we can delete it immediately.

5. App Permissions

The app requests only the following permissions, each strictly necessary for core functionality:

  • Internet Access (INTERNET): Required to load advertisements via AdMob.
  • Network State (ACCESS_NETWORK_STATE): To check internet connectivity before loading ads or content.
  • Vibration (VIBRATE): Used for haptic feedback during quiz gameplay (correct/wrong answer).
  • In-App Billing (BILLING): Required to process the "Remove Ads" one-time purchase via Google Play.
  • Notifications (POST_NOTIFICATIONS): Used only when the user enables reminder notifications on supported Android versions.
  • Receive Boot (RECEIVE_BOOT_COMPLETED): Used only to restore daily reminder alarms after device restart. No data is collected.
  • Foreground Service (FOREGROUND_SERVICE): Used to deliver daily reminder notifications when the user sets a reminder.

6. Data Security

We use reasonable administrative and technical measures to protect information processed by the app. Data handled by Google Play services and Google AdMob is protected through the security controls provided by those platforms and by encrypted network transport where supported by the service provider.

7. Data Retention and Deletion

We do not maintain user accounts or a dedicated personal data database for this app. Game progress, settings, and reminder preferences are primarily stored locally on the user's device and can usually be removed by clearing app data or uninstalling the app. If you contact us about a privacy concern, we will review and delete any information we directly control within a reasonable time when legally permitted. Data processed by third-party services such as AdMob or Google Play Billing is subject to those providers' retention and deletion practices.

8. Contact Us

If you have any questions or suggestions about our Privacy Policy, do not hesitate to contact us at: