# Reaction Test vs EngineForge

The clearest difference is ads: EngineForge at none against Reaction Test's shown. On price, in-app purchases, device support and iOS requirement 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 | Reaction Test | EngineForge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Size | 27 MB | 1 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [pilyeong heo](https://appshunter.io/developer/1835315150) | [Shamim Pirzada](https://appshunter.io/developer/6772596010) |

## What reviewers say

### Reaction Test

[App page](https://appshunter.io/ios/app/reaction-test-reflex-check/id6760889371)

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

**In-app purchases:** none


### EngineForge

[App page](https://appshunter.io/ios/app/engineforge/id6785618573)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Reaction Test free?

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

### Is EngineForge free?

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

### Do Reaction Test or EngineForge have ads?

Reaction Test shows ads; EngineForge does not.

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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.*