# FD Controller vs DevKit

The clearest difference is in-app purchases: FD Controller at none against DevKit's 2. FD Controller also leads on iOS requirement (13.4 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. DevKit sells 2 in-app purchases, starting at $9.99 per month. FD Controller asks for nothing beyond the download.

## The numbers

| Metric | FD Controller | DevKit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/devkit-pdf-json-and-dev-tools/id6754946567/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 8 days |
| Monetization | — | Freemium |
| Size | 20 MB | 57 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Ferrous Design, Inc.](https://appshunter.io/developer/1716630829) | [Alexander Herdt](https://appshunter.io/developer/1851072441) |

## What reviewers say

### FD Controller

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

**Features:** macOS Compatibility

**In-app purchases:** none


### DevKit

[App page](https://appshunter.io/ios/app/devkit-pdf-json-and-dev-tools/id6754946567)

This app provides a suite of offline developer tools for formatting, debugging, encoding, and converting data. It keeps all your work on your device, ensuring privacy and accessibility without an internet connection. Features include JSON formatting, JWT decoding, hash generation, and QR code creation.

**Highlights:** 30+ offline developer utilities, JSON, HTML, CSS, JS, XML, SQL formatting, JWT decoding and certificate inspection, Base64, URL, and HTML encoding/decoding, Hash generation (MD5, SHA-256), Timestamp and number base conversion, QR code generation

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $9.99 | per month |
| Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is FD Controller free?

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

### Is DevKit free?

DevKit is free to download, with in-app purchases available.

### Do FD Controller or DevKit have ads?

Neither FD Controller nor DevKit 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.*