Gear Ratios app for iPhone and iPad

As a cyclist you need to know your bike. In order to get the most out of your gears you need to try with different combinations of chain rings, cogs, wheels and tire sizes which is a time consuming task.
GearRatios is an app designed to help you find matching combinations in your bike or any components offered by manufacturers, so that you can switch to a different setup maintaining your speed within a ten percent margin.
Choose different sizes and experiment with the results so that your next ride becomes easier.

Fully redesigned to work for iOS 15 and WatchOS 8.0. It includes and in-App purchase option the unlock the Trial version which consists of the same fully featured app with a limit to the search/find algorithm of 3 times, after which the app resets to defaults and shows a Trial screen to either Purchase or Continue for another 3 times.

Available for iPhone and Apple Watch.