# Stroop Challenge Go vs KeyCrush

The clearest difference is in-app purchases: Stroop Challenge Go at none against KeyCrush's 3. Stroop Challenge Go also leads on iOS requirement (15.0 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. KeyCrush sells 3 one-off in-app purchases. Stroop Challenge Go asks for nothing beyond the download.

## The numbers

| Metric | Stroop Challenge Go | KeyCrush |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Size | 1 MB | 50 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [晓 郭](https://appshunter.io/developer/1895645928) | [JONATHAN STEVE MACEREN](https://appshunter.io/developer/1892075573) |

## What reviewers say

### Stroop Challenge Go

[App page](https://appshunter.io/ios/app/stroop-challenge-go/id6773266246)

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

**In-app purchases:** none


### KeyCrush

[App page](https://appshunter.io/ios/app/keycrush/id6781555783)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10,000 Fragments | $2.99 | one-time |
| 100,000 Fragments | $5.99 | one-time |
| 25,000 Fragments | $19.99 | one-time |


## Frequently asked questions

### Is Stroop Challenge Go free?

Stroop Challenge Go is free to download, with no in-app purchases.

### Is KeyCrush free?

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

### Do Stroop Challenge Go or KeyCrush have ads?

Neither Stroop Challenge Go nor KeyCrush 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.*