This app is not just a speedometer, it is a GPS-based speed tracker. That is, it uses the location sensor of your phone to calculate the speed and distance traveled.

The speedometer is a very useful app that can be used in various situations. For instance, when you are driving a car or a motorcycle, you can use it to check the speed and distance traveled. If you are running, the app will also be useful to you as it can be used to measure the time taken to get to the desired location.

Besides, the speedometer can also be used to check the speed of a bicycle, a boat, or any other vehicle.

The GPS speedometer app uses the GPS sensor of your phone. Therefore, the accuracy of the speed and distance measurement will depend on the quality of the sensor and the accuracy of the GPS.