Speed Gun to measure vehicle speed turns your phone into Speed Gun in your pocket! Just choose a measuring spot next to the road and point your camera at approaching vehicle. This app measures it's speed in 5 seconds just as accurate as regular Speed Gun. Just make sure to add correct settings and aim well! Every vehicle is automatically photographed, speed, date, time and site address is saved so that you can keep track on your measurements or share it via email or social media. Catching speeding cars has never been so easy!