Harry's LapTimer Rookie
Harald Schlangmann
About this app
- Age 10
- Updated May 14, 2025
- OS IOS / Android
Editor reviews
A GPS lap timer and track day companion for motorsport beginners. Harry's LapTimer Rookie automatically detects laps, records accurate split times, and visualizes speed and position so you can improve every session. With a built in track database, auto track detection, and a clean interface, it delivers reliable lap timing without extra hardware. Ideal for autocross, circuit days, and driver coaching with easy sharing and basic data export. Keywords include GPS lap timer app, motorsport timing, track day, racing data logger, navigation to nearby tracks.
Screenshots
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How to use:
1. Download and install the app, then grant Location and Motion permissions for accurate GPS timing.
2. Create a driver and vehicle profile, choose a track from the built in database or let the app auto detect when you arrive.
3. Mount your phone securely with clear sky view, select Start session, and enter the track when directed by event rules.
4. Drive your laps while the app auto detects start and finish lines, shows live lap and split times, and records speed and position.
5. End the session to review best laps, compare sectors on the map, add notes, and share or export your results.