POSRI is a free lifestyle application designed for iPhone users that focuses on health and fitness. It offers a unique feature called 'Postpone Risk' which simulates the potential delay of disease onset based on registered lifestyle habits. Users can manage their health information through various tools, including health check results, genetic testing insights, and self-assessments. The app also provides access to reliable medical information derived from primary literature, making health management more informed.

Additionally, POSRI incorporates an AI developed by Toshiba that predicts the risk of lifestyle-related diseases. It is overseen by a panel of medical professionals, including doctors and nutritionists, to ensure the accuracy of the information provided. The app also features resources like disease explanations from reputable sources and mental health support activities linked to depression risk reduction, highlighting its commitment to comprehensive health awareness.