Fitbit 中国 is a free lifestyle application designed to help users lead healthier and more active lives by tracking various health metrics. This app can log daily activities, workouts, sleep, and more, either independently or in conjunction with Fitbit smart devices and the Aria wireless smart scale. It offers features such as MobileTrack for step and distance tracking, as well as MobileRun to monitor pace, time, and distance during runs, walks, or hikes. The app also allows users to control music and receive voice prompts while utilizing GPS for route mapping.

In addition to activity tracking, Fitbit 中国 provides heart rate monitoring through devices equipped with PurePulse, dietary tracking with a barcode scanner and extensive food database, hydration tracking, and goal management for weight and nutrition. Users can set sleep goals, monitor sleep patterns, and connect with friends through challenges and leaderboards. The app ensures seamless wireless syncing with multiple devices, making it easy to manage weight and health progress over time.