The Carbon app is a tool for research participants to record aspects of their life for reviewing with their doctors.

Features:
- Medication diary
- Events diary for recording health events
- Visits diary for recording visits to heath chare services
- Patient Reported Outcome questions to measure quality of life
- The option to link to a wearable recording activity data
- Multi-lingual support for studies which support more than one language
- Push Notifications on PROs.