Health Signal
Privacy Policy
Last updated: March 2026
This Privacy Policy explains how Health Signal ("we", "our", or "us") collects, uses, and shares information when you use our web and iOS applications.
Information We Collect
- Account information such as name, email address, and account identifier.
- Health-related entries you provide, including check-ins and symptom text.
- Group and collaboration data, such as group membership and invitations.
- Device push token data for iOS notifications (for example, APNs token).
- Basic operational logs for security and reliability.
How We Use Information
- To provide core app features such as account access, check-ins, and notifications.
- To improve reliability, troubleshoot issues, and maintain service security.
- To communicate account-related messages such as verification or password reset emails.
How We Share Information
We do not sell personal information. We may share data with service providers that help us run the app (for example, hosting, database, email, and push-notification infrastructure), only as needed to provide the service.
Data Retention
We retain account and app data for as long as needed to provide the service, comply with legal obligations, resolve disputes, and enforce agreements.
Your Choices
- You can request account updates or deletion by contacting us.
- You can disable push notifications at any time in iOS Settings.
Children's Privacy
Health Signal is not directed to children under 13, and we do not knowingly collect personal information from children under 13.
Changes To This Policy
We may update this Privacy Policy from time to time. We will post any changes on this page and update the "Last updated" date above.
Contact
For privacy questions, contact diagnoserhealthsignal@gmail.com.