CornerLog: Moto Lean Angle

Walker & Volf

In-app purchases

About this app

CornerLog measures and records your motorcycle's lean angle on every ride. Put your phone in its mount and calibrate it once. The app measures lean with the gyroscope and accelerometer, and GPS data keeps correcting gyro drift. It shows your maximum lean to the left and right. Afterwards you can analyse each ride on a map and in charts.

YOUR DATA STAYS YOURS
• The app has no internet permission, so it cannot send your rides anywhere.
• No account, no ads, no analytics, no tracking.
• Rides, calibration and settings are stored only on your phone. Location is used only while a ride is being recorded.
• A ride leaves the phone only when you export it (CSV/GPX) or back it up to a file yourself.
• The optional Plus purchase goes through Google Play. The app never sees your payment details.

ANALYSE YOUR RIDES
The Ride Analyzer in the app works offline, right on your phone: route, lean and speed charts, G-forces, ride playback and lap timing. You can also open an exported ride on a computer in the Ride Web Analyzer web app (ride.cornerlog.app). The file is loaded only into your browser and is not uploaded anywhere. The web app also scores your ride, can compare two rides and lets you share a ride as a link. A shared ride is encrypted in your browser, so without the link not even we can read it, and it is deleted automatically after 30 days.

FREE AND PLUS
The Free version costs nothing and includes everything above, including charts, statistics across rides, CSV/GPX export and backup. It shows your 5 newest rides (older ones stay stored on your phone, just hidden) and waits 15 seconds before an export. CornerLog Plus is a one-time purchase with no subscription: it shows your whole history, exports instantly, can delete or export several rides at once and supports RaceBox over Bluetooth.

What’s new

This is the first public test version of CornerLog. Thank you for trying it out – your feedback helps us improve the app.