LapTracker 4.0.1 ios官方版

The automatic lap timer that speaks over 30 languages!
LapTracker is a motion detection-based lap timer that can be used to track runners, cyclists, cars, models, swimmers, karts, slot cars etc. The camera view has up to four adjustable detection zones that can be used to track up to four different racers. The iPhone/iPad is placed on the side of the track and laps are automatically counted, timed and spoken. Results are presented in graphical form to enable simple and straightforward comparison of participants, and can also be submitted by email for further analysis.

"An excellent tool to help you practice to get the perfect lap"
www.TheRCRacer.com