Privacy Policy

Last Updated: 2026-02-07

Contact: nine.yang.coding@gmail.com

1. Introduction

Thank you for using our mobile application (“the App”). This Privacy Policy explains how we collect, use, and protect your information. The App is a barometer utility designed to display atmospheric pressure changes, pressure trends, and related sensor-based insights. We are committed to protecting your privacy and ensuring transparency.

2. Information We Do Not Directly Collect

We do not directly collect personal data. However, third-party services (such as advertising providers) may collect certain information as required to deliver their services, subject to your consent and device settings.

3. Information We May Collect

3.1 Device Information

Basic device information such as device model, operating system version, and app version may be collected automatically for compatibility and performance purposes.

3.2 Optional Error Logs

Anonymous crash or error logs may be collected through Apple or Google system services to help diagnose and fix issues. These logs do not contain personally identifiable information.

3.3 Email Support

If you contact us at nine.yang.coding@gmail.com, we will receive your email address and message solely for customer support and communication purposes.

4. How We Use Information

5. Sensor Data & Permissions

The App may access device barometric pressure sensors and motion-related sensors to display atmospheric pressure values, pressure trends, altitude-related changes, and future pressure forecasts. All sensor data is processed locally on your device and is not uploaded or stored on our servers.

6. Advertising & Third-Party Services

The App uses Google AdMob to display advertisements.

Google may collect and use certain information such as device identifiers, IP address, and app usage data to provide personalized or non-personalized ads, in accordance with Google’s Privacy Policy. We do not have direct access to or control over the data collected by Google.

You can manage ad personalization preferences through your device system settings.

7. Data Retention

We do not store personal data. Anonymous diagnostic logs, if any, may be retained temporarily for debugging and performance analysis.

8. Children’s Privacy

The App is not intended for children under the age of 13. We do not knowingly collect personal data from children.

9. International Users

The App is available worldwide. Any data processing, if applicable, is handled in accordance with relevant data protection laws and regulations.

10. Security

We apply reasonable technical and organizational measures to protect information. However, no method of electronic storage or transmission is 100% secure.

11. Changes to This Policy

We may update this Privacy Policy from time to time. Continued use of the App after changes indicates acceptance of the updated policy.

12. Contact Us

If you have any questions about this Privacy Policy, please contact us at:
nine.yang.coding@gmail.com