# Crazy Hard Fast Math Reaction vs The 3D Cube

The clearest difference is in-app purchases: The 3D Cube at none against Crazy Hard Fast Math Reaction's 1. Crazy Hard Fast Math Reaction's advantage is iOS requirement (12.4 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Crazy Hard Fast Math Reaction sells 1 one-off in-app purchase. The 3D Cube asks for nothing beyond the download.

## The numbers

| Metric | Crazy Hard Fast Math Reaction | The 3D Cube |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.7 (29 ratings)](https://appshunter.io/ios/app/crazy-hard-fast-math-reaction/id877393958/reviews)** | — |
| Number of ratings | **29** | — |
| Positive reviews | 27.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 11 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 48 MB | 120 MB |
| Requires iOS | **12.4** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Fragranze Games Ltd](https://appshunter.io/developer/640751335) | [Levani Kirkitadze](https://appshunter.io/developer/1693121477) |

## What reviewers say

### Crazy Hard Fast Math Reaction

[App page](https://appshunter.io/ios/app/crazy-hard-fast-math-reaction/id877393958)

Test your math skills with an infinite number of calculations. Choose your difficulty and race against the clock to achieve a high score. Compete with friends on multiple leaderboards to prove your math prowess.

**Highlights:** Infinite math calculations, Two-button right/wrong input, Timed challenges, Difficulty options (easy, normal, hard), Multiple leaderboards, Multiplayer competition

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### The 3D Cube

[App page](https://appshunter.io/ios/app/the-3d-cube/id6789063742)

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

**In-app purchases:** none


## Frequently asked questions

### Is Crazy Hard Fast Math Reaction free?

Crazy Hard Fast Math Reaction is free to download, with in-app purchases available.

### Is The 3D Cube free?

The 3D Cube is free to download, with no in-app purchases.

### Do Crazy Hard Fast Math Reaction or The 3D Cube have ads?

Both Crazy Hard Fast Math Reaction and The 3D Cube show 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.*