Apps similar to CMS Lap Timer include TrackAddict, which has a free version. Other options are Harry's LapTimer Grand Prix, LapTrophy - GPS Lap Timer, RaceChrono and Pocket Performance. In total there are five GPS Navigation Services like CMS Lap Timer for Android, iPhone and iPad.
TrackAddict, 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.
United States
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.
Finland
EU
Pocket Performance is a phone-only car performance testing app powered by vehicle calibration and a 7-layer telemetry system. Test 0–62, 0–100, quarter mile, half mile, top speed, rolling starts, Track Mode, proof videos, and compete on global leaderboards.
United Kingdom
