Harry's LapTimer is the advanced tool for car enthusiast.

TrackAddict, by HP Tuners, transforms your device into a motorsports telemetry and video system. See your lap times instantly, ...

The Cantrell Motorsports Lap Timer is the easiest to use GPS based lap timer, data recorder, video recorder, and performance a ...

RaceChrono Pro is lap timer, data logging and data analysis app designed especially for use in motorsports, replacing your tra ...