# Reaction Time vs Working Memory Lab

The clearest difference is in-app purchases: Working Memory Lab at none against Reaction Time's 2. Reaction Time's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 16.0). On price and ads there is nothing between them.

Both are free to download. Reaction Time sells 2 in-app purchases, starting at $3.99 per 7 days. Working Memory Lab asks for nothing beyond the download.

## The numbers

| Metric | Reaction Time | Working Memory Lab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Size | 48 MB | 12 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ahmet Yagız Sarıdogan](https://appshunter.io/developer/1767264527) | [Yuki Isaka](https://appshunter.io/developer/1891355296) |

## What reviewers say

### Reaction Time

[App page](https://appshunter.io/ios/app/reaction-time-reflex-master/id6752227166)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $3.99 | per 7 days |
| Premium Yearly | $14.99 | per year |


### Working Memory Lab

[App page](https://appshunter.io/ios/app/working-memory-lab/id6807255014)

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

**In-app purchases:** none


## Frequently asked questions

### Is Reaction Time free?

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

### Is Working Memory Lab free?

Working Memory Lab is free to download, with no in-app purchases.

### Do Reaction Time or Working Memory Lab have ads?

Neither Reaction Time nor Working Memory Lab 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.*