Stone Master - Privacy Policy

Last Updated: January 2025

This Privacy Policy describes how Stone Master ("we," "our," or "the app") collects, uses, and protects your information when you use our mobile application.

1. Information We Collect

1.1 Photos and Images

When you use Stone Master to analyze rocks, we collect:

Photos you take or select from your device's photo library for rock analysis
Images used for geological analysis purposes

1.2 Device Information

We may collect certain device information to improve app performance and functionality, including:

Device model and operating system version
App version and usage statistics

2. How We Use Your Information

2.1 Rock Analysis

We use the photos you provide to:

Analyze and identify rock types using our AI technology
Generate detailed geological analysis reports
Create certificates that you can save and share

2.2 App Improvement

We may use anonymized usage data to:

Improve app performance and accuracy
Fix bugs and enhance user experience
Develop new features

3. Data Storage and Retention

3.1 Local Storage

Photos and analysis reports are stored locally on your device. You can delete them at any time through the app or your device's photo library.

3.2 Cloud Processing

Photos may be temporarily transmitted to our servers for AI analysis. These images are processed and then deleted from our servers. We do not retain your photos after analysis is complete.

4. Data Sharing

4.1 Third-Party Services

We may share your information with third-party service providers who assist us in operating the app, such as:

Cloud service providers for image processing
Analytics services (anonymized data only)

4.2 No Sale of Personal Data

We do not sell, trade, or rent your personal identification information to others.

5. Data Security

We implement reasonable security measures to protect your information, including:

Encryption of data in transit
Secure storage practices
Regular security reviews

However, no method of transmission over the Internet or electronic storage is 100% secure. While we strive to use commercially acceptable means to protect your information, we cannot guarantee its absolute security.

6. Your Rights

You have the right to:

Access and review your data
Request deletion of your data
Opt-out of data collection (where applicable)
Withdraw consent at any time

To exercise these rights, please contact us at geogurugeo@qq.com.

7. Children's Privacy

Stone Master is not intended for children under the age of 13. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please contact us.

8. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last Updated" date.

You are advised to review this Privacy Policy periodically for any changes. Changes to this Privacy Policy are effective when they are posted on this page.

9. Contact Us

If you have any questions about this Privacy Policy, please contact us:

Email: geogurugeo@qq.com