Last Updated: 2026.5.6

Blood Pressure Trend Log (“we”, “us”, or “our”) is developed and operated by JOYLINK NETWORK TECH LIMITED.

We respect your privacy and are committed to protecting your personal information. This Privacy Policy explains how we collect, use, and safeguard your information when you use our mobile application.

1. Information We Collect

We only collect information necessary to provide and improve the app experience.

1.1 Health Data (User-Provided Only)

Blood pressure readings (e.g., systolic, diastolic)

Heart rate

Notes or tags you choose to enter

Important:

This data is entered manually by you

The app does NOT measure blood pressure or heart rate

The app does NOT connect to medical devices

1.2 Usage Data

We may collect limited non-personal information such as:

App interaction events (e.g., feature usage)

Device type and OS version

Crash logs and performance data

This helps us improve app stability and user experience.

1.3 Advertising Data

To support a free app experience, we may display third-party advertisements.

Advertising partners may collect:

Device identifiers (such as IDFA, where permitted)

Approximate location (non-precise)

Ad interaction data

This data is used to provide more relevant ads.

2. How We Use Information

We use collected information to:

Provide core app functionality (logging and tracking data)

Improve app performance and features

Display advertisements

Ensure app security and prevent misuse

3. Data Storage

Your health data is stored locally on your device

We do not require account registration

We do not store your personal health data on our servers

4. Data Sharing

We do not sell your personal data.

We may share limited data with:

Advertising partners (for ad delivery)

Analytics providers (for app performance)

All partners are required to comply with applicable privacy laws.

5. Your Privacy Rights

Depending on your location (e.g., EU, California), you may have the right to:

Access your data

Request deletion of your data

Opt out of personalized ads

You can manage permissions via your device settings.

6. Children's Privacy

This app is not intended for children under 13.

We do not knowingly collect data from children.

7. Disclaimer

Blood Pressure Trend Log is for informational purposes only.

It is not a medical device and does not provide medical advice, diagnosis, or treatment.

Always consult a qualified healthcare provider for medical concerns.

8. Changes to This Policy

We may update this Privacy Policy from time to time.

Updates will be posted within the app with a revised “Last Updated” date.

9. Contact Us

If you have any questions or concerns, please contact us:

Developer: JOYLINK NETWORK TECH LIMITED

Email: [email protected]