Measure your vehicle's performance with your iPhone's sensors and GPS. Track acceleration, top speed, and lap times across various vehicle types. Analyze your runs with detailed statistics and compare your performance.
2.4.2
September 6, 2023
We provide smaller changes regarding design and presentation.
Quartermile.app for 1 Month (price: 0,99€)
$1.99
Unlock all modes
Track your runs with a new variety of values!
Quartermile.app supports a wide range of vehicles, including scooters, cars, and motorcycles, as long as they are driving and your iPhone has GPS reception. The app is designed for vehicles with two, four, or eight wheels.
Yes, Quartermile.app contains advertisements. These ads are present in the free version of the application.
Quartermile.app aims to be a simple and comparable tool, but it cannot replace expensive measuring equipment from motorsport. The developer notes that values may differ slightly on older devices, with differences typically within a few meters. They are actively working on improvements to data accuracy.
Quartermile.app offers three modes: Drag Race to test speed over a set distance, Acceleration to record target speed achievement from a standing or flying start, and Circuit to record lap times on a track.
To start a recording, drive to the start line, position your iPhone safely for maximum GPS reception, and start the run. The app will calibrate itself and begin recording automatically with the first acceleration of your vehicle.
After completing a run, you can analyze your performance using various statistics such as G-force, maximum speed, average speed, and wind and weather conditions. This data helps you understand your vehicle's performance.
Quartermile.app is free to use with default values for all modes. You can unlock additional values and features through a one-time in-app purchase. Subscription plans are available for monthly ($0.99) or yearly ($8.99) access to premium features.
Quartermile.app is supported on iPhones and iPods. It requires an iPhone with GPS reception to function correctly.
