Privacy Policy Blood Pressure Tracker

Effective Date: 2026-01-01  |  Update Date: 2026-01-01

Operator

EasyFlyLink

Contact Information

support@eflink.tech


1. Introduction

We deeply understand the importance of your personal information and will do our best to protect your privacy. This Privacy Policy explains how we collect, use, store, share, and protect your information. Please read and understand this policy carefully before using this App.

2. What Information We Collect

We follow the "minimum necessary" principle, collecting only information necessary to achieve functionality.

2.1 Information You Provide
  • Blood pressure records: Including systolic blood pressure, diastolic blood pressure, heart rate, measurement time, measurement position, measurement site, etc.
  • Basic personal information: Age, gender (for generating more accurate health analysis reports)
2.2 Technical Information We Collect
  • Device information: Device model, operating system version (for optimizing App compatibility)
  • Usage data: Feature usage frequency, page visit records (for improving user experience)
  • Crash logs: System information when the App crashes (for fixing bugs)
2.3 Information We Do Not Collect

We promise: Unless you actively choose the cloud backup feature, we will not collect or upload any of your personal health data to cloud servers.

3. How We Use Your Information

3.1 Local Data Processing
  • Blood pressure data analysis: Generate daily, weekly, and monthly health reports based on your blood pressure data
  • Health trend display: Display your blood pressure changes in chart form
  • Abnormal alerts: Remind you to pay attention to your health when blood pressure data is abnormal
3.2 Cloud Data Processing (Only When You Enable Cloud Backup)
  • Data synchronization: Achieve multi-device data synchronization after you enable cloud backup
  • Data backup: Protect your data from being lost due to device loss or damage
  • Data recovery: Restore historical data from the cloud when you change devices

4. Data Storage and Security

4.1 Storage Location
  • Default: All your data is stored only in your device's local storage
  • After enabling cloud backup: Your data will be encrypted and stored on cloud servers
4.2 Security Measures
  • Local encryption: All data is encrypted before storing on the device
  • Cloud encryption (cloud backup users): Uses end-to-end encryption technology to ensure only you can decrypt and access your data
  • Transmission encryption: All network data transmissions are encrypted with HTTPS
  • Data isolation: Each user's data is stored independently and encrypted

5. Your Rights

5.1 Access and Export Rights
  • You can view all your blood pressure data stored locally at any time
  • You can export data as CSV format files at any time
5.2 Correction and Deletion Rights
  • You can modify or delete any blood pressure record at any time
  • You can clear all local data with one click in settings
  • You can close or delete cloud backup data at any time
5.3 Withdraw Consent

You can turn off cloud backup in settings at any time. After turning it off, we will no longer collect new data, but the data already collected will be retained until you choose to delete it.

6. Third-Party Services

This App may use the following third-party services with your consent:

  • Cloud storage services: For storing your cloud backup data (only when you enable cloud backup)
  • Data analysis services: For generating anonymous health trend analysis (using only desensitized data)

7. Children's Privacy

This App is not directed to children under 14. We do not knowingly collect personal information from children.

  • If you are a parent or guardian and find that your child has provided us with personal information, please contact us to delete it
  • After obtaining verifiable parental consent, we will delete the relevant information as soon as possible

8. Privacy Policy Updates

We reserve the right to update this Privacy Policy. For major changes, we will notify you within the App.

  • We will publish the latest version of the Privacy Policy on this page
  • For major changes, we will push notifications within the App
  • Continued use of this App constitutes acceptance of the new Privacy Policy

9. Contact Us

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

Contact Email: support@eflink.tech

Version History

2026-01-01

v1.0.0

Initial release