Constellate Health Privacy Policy

Last updated: 2026-02-22

Constellate Health is a research participation app. This policy explains what information we collect, how we use it, and your choices.

If you are participating in a specific study, your study team may provide additional consent and privacy information that applies to your participation.

Information we collect

Account information: email address and name (if provided).
Profile and demographics (optional): date of birth, sex, ethnicity, height/weight, and other profile fields you choose to provide.
Photos you choose to capture: the app uses your device camera to let you capture and upload photos as part of study participation.
Health-related inputs you provide: check-ins/trackers and other data you enter in the app.
Apple HealthKit data (iOS, only if you grant permission): if you connect Apple Health, we read the following data types: steps, walking/running distance, active energy burned, exercise minutes, workouts, heart rate, heart rate variability (HRV), sleep analysis, weight, and body mass index (BMI). This data is used solely for research purposes as part of the studies you participate in. We do not use HealthKit data for advertising or marketing purposes, and we do not sell HealthKit data to third parties.
Oura Ring data (only if you connect your account): if you connect an Oura Ring, we collect sleep, readiness, and activity data via the Oura API for research purposes.
Device/app information: basic technical and diagnostic information needed to operate, secure, and improve the app (such as app version and device type).
Permissions-based data (only if you grant permission): for example, camera access to capture photos from within the app. If a study enables location capture and you allow it, we may collect location data associated with submissions for that study.

How we use information

To provide app functionality (account access, study enrollment, data capture, and upload).
To make your study participation data available to authorized study staff/researchers.
To maintain safety and security, prevent abuse, and troubleshoot issues.
To improve app performance and reliability.

Permissions

Camera (android.permission.CAMERA): used only to capture photos when you choose to do so inside the app.

Sharing

We share your information with authorized researchers/study staff involved in the study you joined.
We may share information with service providers that help us operate the app (e.g., hosting), under appropriate safeguards.
We may disclose information if required to comply with law or to protect safety and security.

Retention

We retain information for as long as needed to provide the service, support research operations, and comply with applicable legal and study requirements. Your study team may have additional retention requirements described in study consent materials.

Your choices and controls

You can stop providing new information at any time by discontinuing use of the app.
If you are participating in a study, you may be able to withdraw according to your study's consent process. Withdrawing may not remove data already shared with the study team, depending on the study's policies and applicable law.
Account deactivation: You may deactivate your account from within the app. Deactivation disables your login but preserves all your data. You may contact us to reactivate at any time.
Account deletion: You may permanently delete your account from within the app. Upon deletion, your personal information (name, email, demographics, login credentials) is removed. De-identified research data and consent records are retained as required by applicable study protocols and institutional regulations.
Apple Health: You can disconnect Apple Health at any time in your profile settings, or revoke access in iOS Settings > Health > Data Access & Devices.

Contact

For app support or privacy questions, contact us at constellatehealth@gmail.com.

Constellate Health is developed by the Applied Bioinformatics Laboratories at NYU Langone Health.