12月3日的Speedometer''应用程序分析

GPS equipped iPHONE required ( iPhone 3Gs/4/4s/5). This App use GPS feature to Calculate speed. iPod Touch is not supported. Sorry about that. Display your real-time speed no matter where you are. It works on boat, airplane, bus, motorcycle, or car, as long you have GPS signal. It also shows history of you speed. Its easy for you to compare at which point u are slow when racing with your friends. please visit our facebook page to put feature requests or your suggestion. http://www.facebook.com/pg.speedometer