# FD Controller vs dev

The clearest difference is device support: FD Controller at 3 against dev's 1. FD Controller also leads on iOS requirement (13.4 vs 16.2). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | FD Controller | dev |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 20 MB | 3 MB |
| Requires iOS | **13.4** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Ferrous Design, Inc.](https://appshunter.io/developer/1716630829) | [Jamie Ter Beest](https://appshunter.io/developer/6789990161) |

## What reviewers say

### FD Controller

[App page](https://appshunter.io/ios/app/fd-controller/id6618111989)

**Features:** macOS Compatibility

**In-app purchases:** none


### dev

[App page](https://appshunter.io/ios/app/dev-mux-ai-coding-fleet-mgmt/id6789990159)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is FD Controller free?

FD Controller is free to download, with no in-app purchases.

### Is dev free?

dev is free to download, with no in-app purchases.

### Do FD Controller or dev have ads?

Neither FD Controller nor dev shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*