TrueLean
Motorcycle Lean Angle & Rides
About
This app accurately measures your motorcycle's lean angle during corners, providing detailed ride data and history. It offers a live instrument cluster, ride saving with route mapping, and exportable data. Designed for privacy with no accounts or ads.
What's New in TrueLean
1.1.1
August 3, 2026
Thanks for using TrueLean. Here's what's new in v1.1.1 • Apple Health confirmation, screen wake settings, and bug and performance fixes.
MoreSubscription plans
Monthly
TrueLean Pro, billed monthly.
In-App Purchases
$79.99
TrueLean Pro Lifetime
Unlock all TrueLean Pro features forever.
FAQ
What is TrueLean?
TrueLean is a tool for motorcycle riders that accurately measures lean angle during corners. It provides a live instrument cluster, records ride history, and allows data export. The app is designed for privacy with no accounts or ads.
How does TrueLean measure lean angle?
TrueLean fuses gyroscope attitude with cornering physics to provide an accurate lean angle measurement. This method ensures accuracy through transitions and steady-state cornering, unlike simple accelerometers.
What devices does TrueLean support?
TrueLean requires an iPhone with a gyroscope and is designed for a rigid handlebar or fork mount. It is not available on Android devices.
Does TrueLean have ads?
No, TrueLean is ad-free. The app is designed with privacy in mind and does not contain advertisements or analytics.
What are the subscription options for TrueLean?
TrueLean offers a monthly subscription for $4.99 with a 7-day free trial, and an annual subscription for $24.99 with a 7-day free trial. These subscriptions unlock full access to all features.
Can I export my ride data from TrueLean?
Yes, you can export any ride as GPX (with lean/speed) or CSV from the share sheet. This allows you to analyze your ride data further on other platforms.
How often is TrueLean updated?
The latest version of TrueLean is 1.0.1, which was last updated on July 13, 2026. Updates typically focus on improving accuracy, adding features, and enhancing battery performance.
What is the age rating for TrueLean?
TrueLean has an age rating of 4+. This indicates it is suitable for a wide range of users, though its primary audience is adult motorcycle riders.