Archived App (Last seen on 6 Oct 2026)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
Check your bike's potential with the Binary system with a simple click!
Calculate and set the optimal sprockets for your bike with the Binary Gear® system from MagneticDays.
The app allows you to quickly and easily determine which types and sizes of optimal chainrings you should use on your bike fitted with the Binary Gear® system and the resulting metric ratio development, and compare it to the performance of a classic rear derailleur.
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What's New in MD Binary
2.1.2
May 24, 2023
- Bug Fix
