# Privacy Policy

**Effective Date:** July 6, 2025  
**App:** EarMaster

Cooper Lin ("we", "our", or "us") respects your privacy. This Privacy Policy explains how we handle your data in the EarMaster app.

## 1. Data Collection

We do not collect personally identifiable information. We only use third-party services that collect anonymous device-level data such as:

- Device model
- OS version  
- Crash logs

## 2. Third-party Services

We use the following third-party tools:

| Service | Purpose | Platform |
|---------|---------|----------|
| Firebase | App analytics and crash reports | All |
| Google Analytics | Usage and session analysis | All |
| Google AdMob | Advertising (GDPR-compliant) | Google Play |
| Apple Ads (Search Ads) | Advertising and tracking | App Store |

No personal data is sold or shared with unauthorized third parties.

## 3. Data Security

While we take reasonable precautions via Firebase and other services, no transmission method is 100% secure.

## 4. Age Limit

Our app is not intended for children under the age of 13. Do not use this app if you are under 13 years old.

## 5. Contact

If you have any questions, please contact:

- **Email:** cooperlin0131@gmail.com
- **Location:** Taipei, Taiwan