The speed meter measure the speed displacement the user using the smartphone GPS. The Speedometer GPS requires a clear space to have adequate communication with the satellites that provide the GPS. The data is displayed on the screen of the device in an analog and digital forms. The app shows the maximum, average and minimum speed in km/h. Additionally, a graph of the user's speed is shown. The Speedometer GPS can be configured to emit an alarm when exceeding a speed set by the user. Speed unit