SpeedBox Performance Tracking vs Harry's Dyno Usage & Stats

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 measurements and get performance data while driving. *You can choose between following preset modes: 0-60 mph, 1/4 mile, 1/8 mile, 1/2 mile, 0-35 mph, 60-120 mph, 100-200 mph, 80-120 km/h, 0-250 km/h, etc. *Measurement starts and ends automatically by chosen velocity mode. *You can do more than one measurement automatically after each other *Compare your times before and after improvements of your car and with your friends. *Altitude (uphill / downhill) *There will be a countdown sequence before start. *Ideal low budget solution for track days und club racing days. *GameCenter-Integration: ---> Transfer your results into leaderboards of Apple's GameCenter and compare to others ---> Defy friends ---> Send your results to friends via GameCenter (SMS, Email, etc.) *An external bluetooth GPS-receiver will improve accuracy. Special integration of XGPS160 with 10Hz: http://amzn.to/2b1LnK4 Trust all the other users all over the world, see App Store reviews and Instagram: https://www.instagram.com/speedboxapp/ ###### 1. GPS signal must be available. 2. Choose your mode in settings. 3. Start-button has to be switched. 4. Measurement starts automatically with acceleration ###### Please send questions and suggestions to info@cad-apps.de ###### This app should not be used on road, only on race tracks! Note: Continued use of GPS running in the background can dramatically decrease battery life