Travel Speed Tracker is most accurate GPS speed tracker and Navigator that allows you to know at what speed you are travelling. More over you can always know the directions using compass feature. This app can be very helpful during long drives and travelling.

A simple but yet awesome looking speed tracking application with integrated maps which is hidden to normal users. You can track your current speed, you maximum, and also your position: latitude, longitude and altitude values. And also a compass to use your phone’s every ability to find the way out of the desert. Also comes with a map, which is just one slide away to be revealed. You can also share your current speed information with your Facebook, twitter friends or send them via email.

Shows speed in units of km/h, mph and knots.

Note:
Don't use app while driving, as it can divert your attention.
Best to use when you are travelling as a passenger.