Digital Biomarkers (DigiBio App) is an innovative application platform for optimizing the data collection from patients during clinical trials and providing the data to the clinical trial scientist in a quick and easy to understand format. The product will use iPhone devices to collect survey instruments like pain, depression scale, quality of life etc., tasks (spatial memory, gait & balance, reaction time etc.) data, from the patients during all trial phases, as well as collect passive and environmental data like steps, outside temp where the patient lives etc.This DigiBio App platform can be used to collect Patient Outcome Measures after hospital stays or some treatment. The data will help the physician understand the medical condition specific to that patient.DigiBio integrates with the Apple Health app to view step data.