This app will track your speed with GPS.
-You can easily track the car, metro, plain, boat and bus speed.
-The app will calculate the average speed, max speed, travel distance and travel time.
-After you have arrived to your destination the app will automatically save this travel in the history.
-You can see the travel history in your map.
so if you are not already download it, you can try it !
Continued use of GPS running in the background can dramatically decrease battery life.