Find the time you're leaving on track.
Help Desk
Getting Started
Install LapperSnapper, record your first session, and find your way around the app.
What is LapperSnapper?
On-device lap analysis for karting and track days — what the app does and how it works.
Install LapperSnapper on your phone
Download the app for iOS or Android and get set up in a minute.
Record your first session with just your phone
No logger, no problem — record laps with your phone’s GPS and see your first analysis.
Finding your way around the app
A quick tour of the four main tabs and the session analysis screens.
Change your units (km/h, mph, bar, psi)
Switch between metric and imperial units for speed, pressure, and temperature.
Do I need an account?
No — the app works fully offline without one. Here’s what an account adds.