Quartermile.app Reviews

Important: Remember to obey the traffic laws and other applicable laws and to use the Quartermile.app only on closed areas, in compliance with the laws and rules applicable there.

Quartermile.app uses your iPhone's sensors and GPS to give you an accurate picture of your vehicle's performance - whether it's a scooter, a car or a motorcycle.

With the free version, you can use all modes with default values! With our one-time In-App Purchase you unlock all additional values.

Quartermile.app is made to support a wide range of vehicles - whether it has two, four or eight wheels.

Analyze your performance using various statistics such as G-force, maximum speed, average speed, wind and weather.

As long as it's driving and your iPhone has GPS reception, you can use Quartermile.app to record it.

With the Quartermile.app we want to give you a simple and comparable tool, which you can use anytime and as simple as possible.

Due to a clean design and an automatic start you can fully concentrate on the road and still have all the important values of your run in sight.

Note: Please note that an iPhone alone cannot replace expensive measuring equipment from motorsport.

We have noticed that on older devices the values differ more than on new iPhones.

We are also working on improvements in data accuracy.

This is only a difference of a few meters, but we would still like to inform you about it.

All updates and improvements will be of course free of charge.

Just try Quartermile.app for free and give us feedback in the app about your measurements and what features or improvements you would like to see in the future.