# MD Binary

> MD Binary (iPhone/iPad app by Marco Sbragi.)

- Source: https://appshunter.io/ios/app/md-binary/id6448985246 (this page in markdown: same URL + `.md`)
- Developer: [Marco Sbragi](https://appshunter.io/developer/1056694879)
- Category: Sports
- Price: Free
- Age rating: 4+
- Requires: iOS 14.0 · 11 MB
- Languages: English
- Released: 2023-05-11
- Data updated: 2026-06-08
- User reviews in markdown: https://appshunter.io/ios/app/md-binary/id6448985246/reviews.md

## What is MD Binary?

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.


## Version history (last 4 releases)

### 2.1.2 — 2023-05-24

- Bug Fix

### 2.1.1 — 2023-05-22

- Bug Fix
- Added graphical view of gear ratio overlay

### 2.0.0 — 2023-05-15

- Added a new calculation mode

### 1.0 — 2023-05-11

No release notes.

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| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [TuttoBici](https://appshunter.io/ios/app/tuttobici/id455233479) | — | Free | Sports |
| [SRM X-Power](https://appshunter.io/ios/app/srm-x-power/id1495985994) | 1.0 (1) | Free | Sports |
| [PC8DAm](https://appshunter.io/ios/app/pc8dam/id1446034481) | 4.8 (4) | Free | Sports |
| [Eastern NY Youth Soccer](https://appshunter.io/ios/app/eastern-ny-youth-soccer/id6447189721) | — | Free | Sports |
| [Wamii](https://appshunter.io/ios/app/wamii/id1513124629) | — | Free | Sports |
| [Show Club](https://appshunter.io/ios/app/show-club/id1491346502) | — | Free | Sports |

## More apps by Marco Sbragi

- [MD WiFi](https://appshunter.io/ios/app/md-wifi/id1278909085)
- [MD Multi](https://appshunter.io/ios/app/md-multi/id1473809983)
- [MD Bio](https://appshunter.io/ios/app/md-bio/id1498640424)
- [MD Biomechanic](https://appshunter.io/ios/app/md-biomechanic/id1556818286)

All apps by Marco Sbragi: https://appshunter.io/developer/1056694879

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-08.*