Privacy Policy

1. Who we are

MatchChain is an Android app that provides word-based games. Users can log in with their Facebook account to access the app's features.

2. What data we collect

• Facebook account data: users log in with their Facebook account. We store the Facebook UID in Firebase to manage user data and credits.
• Firebase Services: the app uses Firebase to store user data, including virtual credits and game progress.
• Advertising Data: MatchChain uses Google AdMob for displaying ads. AdMob may collect anonymous usage data according to its own policies.

3. How we use the data

• Facebook account data is used solely to identify users and manage their virtual credits.
• Firebase stores user data, virtual credits, and game progress.
• AdMob is used to provide advertising within the app.

4. Advertising

MatchChain uses Google AdMob to serve advertisements. AdMob may collect and process anonymous usage data according to its own policies. For more details, see Google AdMob Privacy Policy.

5. Subscriptions and purchases

Users can purchase virtual credits through in-app purchases. These credits are stored in Firebase and are linked to the Facebook account used to log in.

6. Data deletion

Users can request deletion of their Facebook UID and all associated data (including virtual credits and game progress) by contacting us at laerte.developer@gmail.com. Data will be deleted within 7 working days.

7. Data security

We protect all communications with Firebase and AdMob through secure connections (HTTPS). No personal or sensitive data is shared with third parties except as required by AdMob for advertising.

8. Contact

For any questions about privacy or to exercise your rights, please contact us at laerte.developer@gmail.com.