Privacy Policy

Last updated: 2025-12-17

Who we are

Web3Health is developed as part of academic research at the University of Georgia SensorWeb Lab. This policy explains what information the app collects, how it is used, and your choices.

Summary

• We collect account information and the health data types you explicitly authorize on your device.
• We use that data to show you dashboards and to run sharing features you choose to use.
• We do not sell your personal information.
• You can revoke permissions and request export or deletion by email.

Information we collect

1) Account and profile information

• Email address and basic account identifiers required for sign-in and account management.
• Optional profile fields you choose to provide (for example, a display name).

2) Health data (only with your permission)

The app reads health metrics from your device only after you grant permission. If you do not grant permission, health dashboards may be empty and sharing features may not work.

• Health metrics you authorize (for example: steps, distance, heart rate, sleep, and calories).
• Associated timestamps and summary values needed to display charts and compute selected time windows.

3) App and device information for reliability and security

• Basic device and app information (for example, operating system version and app version) used for troubleshooting.
• Diagnostics such as crash reports and error logs, if enabled in the build you are using.

4) What we do not intentionally collect

• We do not intentionally collect precise real-time location unless you add a feature that requires it and disclose it here.
• We do not intentionally collect contacts, photos, microphone recordings, or camera content unless you add a feature that requires it and disclose it here.

How we use information

• Provide core functionality: show health dashboards and app screens, and operate features you choose to use.
• Sharing features you opt into: process your chosen sharing settings and time windows.
• Research context: support academic research workflows where applicable, including aggregated reporting, consistent with your selections and this policy.
• Maintain and improve the app: debugging, reliability, performance, and security monitoring.

How information is shared

We do not sell your personal information.

We share information only in the following situations:

• Service providers: vendors that process data on our behalf to provide the app. For example:
  • Clerk (authentication and user management).
  • Supabase (backend services such as database and APIs).
• When you choose to share: if you opt into a study, program, or sharing flow inside the app, we process and transmit the information required for that flow.
• Legal and safety: if required to comply with law or valid legal process, or to protect users, the public, or the integrity of the service.

Security

• We use encrypted network connections (HTTPS/TLS) for data transmitted between the app and our backend services.
• We apply access controls to limit who can access data.

No system can be guaranteed 100% secure. If you believe your account has been compromised, contact us immediately.

Data retention

• We retain information as needed to provide the service and for legitimate operational needs (for example, security, audit, and reliability).
• When you request deletion, we process it manually and will delete or de-identify data unless we must retain it for legal, security, or operational reasons.

Your choices

• Revoke health data permissions at any time through your device settings (for example, HealthKit on iOS or Health Connect on Android).
• Request access, correction, export, or deletion by emailing engr-sensorweb@uga.edu. At this time, deletion requests are processed manually.

Children

This app is not intended for children. If you believe a child has provided personal information, contact us to request deletion.

Changes to this policy

We may update this policy from time to time. We will update the “Last updated” date and, if changes are material, we may provide additional notice in the app or on this page.

Contact

Questions or requests: engr-sensorweb@uga.edu