# iStroopChallenge vs Neon Block Rush

The clearest difference is device support: iStroopChallenge at 3 against Neon Block Rush's 1. iStroopChallenge also leads on iOS requirement (13.0 vs 16.0). On price, ads and in-app purchases 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 | iStroopChallenge | Neon Block Rush |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/istroopchallenge/id6755783575/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Monetization | Free | — |
| Size | 25 MB | 11 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Steve Hunger](https://appshunter.io/developer/1840531947) | [晓 郭](https://appshunter.io/developer/1895645928) |

## What reviewers say

### iStroopChallenge

[App page](https://appshunter.io/ios/app/istroopchallenge/id6755783575)

Engage in a classic psychological test transformed into an addictive mobile game. Challenge your cognitive speed by identifying ink colors, not word meanings, in a fun and effective brain training experience.

**Highlights:** Timed and endless game modes, Adaptive difficulty settings, Multiplayer challenges, Achievements and leaderboards, Color blind accessibility, Multiple themes, Detailed statistics

**Features:** macOS Compatibility

**In-app purchases:** none


### Neon Block Rush

[App page](https://appshunter.io/ios/app/neon-block-rush/id6767570521)

**In-app purchases:** none


## Frequently asked questions

### Is iStroopChallenge free?

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

### Is Neon Block Rush free?

Neon Block Rush is free to download, with no in-app purchases.

### Do iStroopChallenge or Neon Block Rush have ads?

Neither iStroopChallenge nor Neon Block Rush 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.*