COLMI Fit is a free lifestyle app designed for iPhone users. The program, developed by Fan Lukun, falls under the Health & Fitness category. COLMI Fit provides users with a comprehensive dashboard displaying essential health metrics such as steps, burned calories, heart rate, sleep patterns, blood pressure, and blood oxygen levels.

Notifications from the COLMI Smartwatch keep users informed about incoming calls, Facebook messages, and other notifications. The app supports activity tracking for various sports, allowing users to monitor their fitness routines effectively. Additionally, users can track their daily and weekly calorie burn, as well as real-time step counts. Detailed sleep analysis is also available, showcasing data from the previous night and days.