TrackAddict is described as ', by HP Tuners, transforms your device into a motorsports telemetry and video system. See your lap times instantly, capture video and telemetry data, compare circuit laps side-by-side' and is an app in the Sport & Health category. There are four alternatives to TrackAddict for iPad, iPhone and Android. The best alternative is LapTrophy - GPS Lap Timer, which is free. Other great apps like TrackAddict are Harry's LapTimer Grand Prix (Paid), CMS Lap Timer (Free) and RaceChrono (Freemium).
RaceChrono Pro is lap timer, data logging and data analysis app designed especially for use in motorsports, replacing your traditional lap timers and data loggers. The Pro app also enables you to record videos and overlay them with the logged data.