Privacy Policy

This Privacy policy aims to explain how we collect, use, store and protect your personal information during your use of "Heart rate Track: Health plan" (hereinafter referred to as "this application"). We promise to handle your data strictly in accordance with applicable data protection laws and regulations and respect your right to privacy.

I. Scope of Information Collection

On the premise of the user's explicit authorization, we may collect the following information:

(1) Health data

With the user's authorization, we may collect and process the following health-related data through the mobile phone camera and flash:

• Real-time heart rate, pulse rate (BPM), water intake records and other health indicators;
• The timestamp of each measurement and the corresponding historical trend data are used to generate health trajectory analysis.

(2) Equipment and Performance Data

To ensure service quality and compatibility, we may collect the following information:

• Operating system type and version, device model;
• Application crash logs and error reports.

(3) Use of behavioral data

Without identifying an individual's identity, we may record:

• Frequency of function usage (such as measurement times, viewing charts, etc.);
• Behavioral data such as page browsing paths and usage durations are used for product optimization.

Note: We do not collect your geographical location, facial images or other identifiable information.

Ii. Purpose of Information Use

The collected information will be used for the following purposes:

• Provide users with core functions such as heart rate measurement, health trend analysis, and HRV charts;
• Improve algorithm performance and enhance user experience;
• Analyze statistical data to optimize the product structure and functional layout;
• After obtaining the user's consent, push health-related tips and service notifications.

We will not sell, lease or disclose any of your data to any third party.

Iii. Data Storage and Security

• All health data are encrypted and stored locally on the user's device, without being transmitted over the network or stored remotely.
• The application adopts a sandbox mechanism to prevent other applications or third parties from obtaining user data.
• The application only accesses the relevant data during runtime and does not continuously obtain health information in the background after exiting.
• If the user uninstalls the application voluntarily, all stored data will be cleared together.

Iv. Users' Rights

You have the following rights and may exercise them at any time:

• View and export measurement records and historical trends;
• Delete local data or reset the history record;
• Uninstall the application to terminate all data interactions.

V. Policy Updates and Notifications

We may update this policy due to service optimization or changes in laws and regulations. You have the right to choose whether to continue using this application.

Vi. Contact Us

If you have any questions, comments or complaints about this Privacy Policy, please feel free to contact us through the following methods:

• Contact email: [email protected]