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HHT Compass

Diagonal Therapeutics · Health & Fitness
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App info

Developer
Diagonal Therapeutics
Category
Health & Fitness
Released
Sep 21, 2026
Version
1.1 (Oct 8, 2026)
Price
Free
Size
38.4 MB
Requires
iOS 15.1
Age rating
4+
Languages
English

In-app purchases

none
Current prices, App Store US.

About HHT Compass

HHT Compass is the patient diary app for the DIAMOND clinical study. It is intended only for enrolled study participants and study staff. Participants record nosebleed episodes, including duration and blood-flow intensity. The app also provides a history, daily reminders, and options to report technical or data-related problems. Access requires an email address, Patient ID, and Study ID provided by study staff. New accounts must be reviewed by the study team. Data is transmitted over TLS and stored encrypted. The app requires a 4-digit PIN, with optional biometric unlock.
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