Yi Tracker is a free iPhone application developed by 文清 毕. It falls under the category of Travel & Navigation and aims to provide users with intelligent vehicle tracking and history playback features.

With Yi Tracker, users can easily check the location of their vehicles in real-time. The app also offers the ability to playback historical tracks, allowing users to review past routes and movements. Additionally, Yi Tracker allows users to view device alarms, providing an extra layer of security and peace of mind.

To enhance the user experience, Yi Tracker utilizes both local phone and server resources, employing cloud storage for efficient data management. This ensures quick and responsive performance, providing users with the best possible experience.

Yi Tracker is a valuable tool for anyone who wants to keep track of their vehicles and monitor their movements. Its intelligent features and commitment to user experience make it a reliable choice in the field of vehicle tracking applications.