Privacy Policy for Viva Master

Last updated: December 7, 2025

1. Introduction
Viva Master ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how our mobile application collects, uses, and discloses information about you.

2. Data Collection
We collect the following types of information:
* Personal Information: When you create an account, we collect your email address via Firebase Authentication to manage your subscription and progress.
* Device Information: We collect your Device ID (Android ID) solely for the purpose of preventing account sharing and enforcing our "One Device Policy."
* Usage Data: We collect anonymous data on quiz performance and app usage to improve our services.

3. Third-Party Services
We use the following third-party services which may collect information used to identify you:
* Google Play Services
* AdMob: Used to display advertisements. AdMob may collect data to show relevant ads.
* Firebase: Used for authentication and database services.
* Google Gemini API: Used to generate educational content. No personal user data is shared with the AI model for training purposes.

4. Subscriptions and Payments
All payments are processed securely through Google Play Billing. We do not store your credit card or banking information on our servers.

5. Data Security
We implement security measures including data encryption and secure HTTPS communication to protect your information. However, no method of transmission over the internet is 100% secure.

6. Children’s Privacy
Our services do not address anyone under the age of 13. We do not knowingly collect personally identifiable information from children under 13.

7. Contact Us
If you have any questions about this Privacy Policy, please contact us at: [personh679@gmail.com]