Introducing Feather, a cutting-edge diabetes decision support tool, combining a stylish patient app and a professional web platform. It offers unique AI-driven services, including blood glucose predictions and tailored therapy for Type 1 diabetes, integrating physical activities. It enables the users to explore "what-if" scenarios relating to diet, insulin, and exercise, using personalized mathematical models. Feather revolutionizes diabetes management, merging technology with personalized care.