GPS Speedometer is a free and handy app that turns your device into a fully functional Speedometer. It works by using your device's GPS radio and calculates your speed based on time and distance traveled. The app updates in real time, supports Imperial and Metric units, shows your current direction like a compass, displays your total distance traveled, stores your top speed, and shows your current location on the map. It even allows you to share your top speed over various social networks for br