Shadow Tracker Mobile is a free GPS fleet management application developed by Advanced Tracking Technologies Inc. for iPhone users. This app allows fleet managers to stay connected with their fleet through their smartphones or tablets. The app provides managers with instant insight into the location and status of their entire fleet.

With Shadow Tracker Mobile, managers can view their fleet's current status, including when a vehicle is stopped or moving, speed, and location. The app also offers stop and alert history reports for a daily check of the fleet's progress.

Overall, Shadow Tracker Mobile is a fast, easy, and effective fleet management app that provides a convenient way for managers to stay connected with their fleet. However, it's important to note that this app is only available for free to existing Advanced Tracking Technologies customers.