SpeedBox Performance Tracking

Track your driving performance now! ### automated launch timing + quarter mile timer for your sportscar ### This app is for GPS based tracking of realtime measured data. Perfect for drag racing, street racing and race track. Advantage: *safety: no use of stopwatches necessary while driving *comfortable: hands-off usage through automatic measurement *simple: just accelerate the car to start measurement *cheap: other hardware solutions costs hundreds of Dollars *You can do quick performance