19. Securus eZoom
The Securus eZoom is similar to the Amber Alert GPS but includes a feature for teen drivers that allows parents to monitor the speed and location of a vehicle as well as determine the location of the device.

18. Garmin GTU10
Made by GPS powerhouse company Garmin, this device was designed for family and friends to track athletes’ progress on long runs or bike rides. Parents can see their kids’ exact location on a map and set boundaries with text alerts to let them know if a child isn’t where he or she is supposed to be.