Help Desk
Analyzing Your Laps
Track maps, lap comparison, corner coaching, sectors, and channel data.
Track conditions: weather and air density on every session
Every session carries the weather it ran in — looked up automatically for the place and hour it was recorded — plus an air density figure, so you can tell wheth
Last updated Sep 25, 2026
Read the session Overview
Open any session from Sessions and you land on the Overview tab — the summary that tells you how the session went before you dig into charts. What's on it The h
Last updated Oct 1, 2026
The Traction circle: how much grip you're using
The Traction circle — sometimes called a "g-g diagram" — plots every moment of your lap as a single dot: how hard you accelerated or braked, against how hard yo
Last updated Sep 25, 2026
Invalid Laps: How Detection Works, and How to Override It
Not every lap you drive is a fair comparison. A spin, a red flag, or a lap that started mid-corner shouldn't count toward your best lap or your session average
Last updated Sep 25, 2026
Race engineer: your per-session coaching summary
Every session gets a Race engineer card on its Overview tab — the app's read on where your time is. It's calculated from your own session data on the device, no
Last updated Sep 25, 2026
The Map tab: your racing line
The Map tab draws your GPS line on the circuit — not the line you meant to drive, the one you drove. Reading the map The line traces your actual path, with ever
Last updated Sep 25, 2026
Compare laps and read the delta chart
The Compare tab answers the only question that matters: where is one lap faster than another? Steps Open a session and go to Compare. The Reference lap starts a
Last updated Sep 25, 2026
Sectors and the ultimate lap
Lap times hide information; sectors reveal it. LapperSnapper splits every lap into sectors and times each one. The Laps tab The Laps tab lists every lap with it
Last updated Aug 31, 2026
Corner coaching: find where you lose time
LapperSnapper doesn't just show you charts — it reads them for you. The coach detects every corner on the circuit, measures you through each one, and ranks them
Last updated Sep 25, 2026
The Channels tab: RPM, temperatures, and sensor data
The Channels tab plots the sensor data your device recorded as traces over time — the layer under every other view in the app. The Traction — g-g card sits at t
Last updated Sep 25, 2026
Track history: your progress at each circuit (Pro)
A session tells you about today. Your track history tells you whether you're actually getting faster. What's in it On the Sessions screen, tap the history icon
Last updated Sep 25, 2026
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