# API Tester(Pro) vs KeyFX

The clearest difference is price: KeyFX at Free against API Tester(Pro)'s $2.99. API Tester(Pro)'s advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 17.0). On ads and device support there is nothing between them.

KeyFX is free to download; API Tester(Pro) costs $2.99 up front. KeyFX sells 1 one-off in-app purchase. API Tester(Pro) asks for nothing beyond the download.

## The numbers

| Metric | API Tester(Pro) | KeyFX |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 35 MB | 26 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Hrishi Suthar](https://appshunter.io/developer/1660005858) | [Nahapet Arshakyan](https://appshunter.io/developer/1833129577) |

## What reviewers say

### API Tester(Pro)

[App page](https://appshunter.io/ios/app/api-testerpro/id6737351765)

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

**In-app purchases:** none


### KeyFX

[App page](https://appshunter.io/ios/app/keyfx-keyboard-for-magicians/id6796048377)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KFX Magician Mode | $299.99 | one-time |


## Frequently asked questions

### Is API Tester(Pro) free?

API Tester(Pro) costs $2.99, with no in-app purchases.

### Is KeyFX free?

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

### Do API Tester(Pro) or KeyFX have ads?

Neither API Tester(Pro) nor KeyFX 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.*