YFit Pro is a comprehensive health and fitness tracker designed for iPhone users. The program allows users to record various activities like riding, running, and more. It visualizes the data obtained, providing insights into their movements. Additionally, it can track sleep data, including deep and shallow sleep durations, offering real-time understanding of sleep patterns.

Moreover, YFit Pro measures and records real-time motion data, presenting weekly or monthly trend graphs to easily visualize activity levels. Users can also sync step counts, calories, and distance with the Health app for a more integrated fitness experience. It's important to note that running GPS continuously in the background may impact battery life.