Easily figure out the perfect size bike for you. Supports road bikes, mountain bikes, commuter bikes, and kids bikes.

The Bike Sizer app is the only iPhone app of its kind. This simple application will help you answer one simple question: what size bicycle should I buy?

Buying the right size bike is important to make sure that you or your family are comfortable on the bike, and are getting the most pedal force!

Use Bike Sizer to help you prepare for this buying decision!

What’s New

Version 1.0

This app has been updated by Apple to display the Apple Watch app icon.

Ratings and Reviews

4.8 out of 5
5 Ratings

5 Ratings

Lalalalalalala87654 ,

Simply perfect

This app very simply and beautifully helps you find the right bike for you!! It asks just a few short questions and then brings you straight to a site where you can buy a bike that will fit you best. Awesome.

Ybot777 ,

It does what it says

I got this to see what size bike that I would need to buy and it was perfect! It even gives you a link to amazon to find the perfect bike for you. I’m keeping this installed just in case any of my friends need the info

App Privacy

The developer, Ezra Rufino, has not provided details about its privacy practices and handling of data to Apple.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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