# Crazy Hard Fast Math Reaction vs Dark Math

The clearest difference is review sentiment: Dark Math at 100% against Crazy Hard Fast Math Reaction's 27%. Dark Math also leads on rating (4.8 vs 1.7) and in-app purchases (none vs 1). Crazy Hard Fast Math Reaction's advantage is ratings volume (29 vs 8). On price, ads, device support and iOS requirement there is nothing between them.

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

Dark Math holds the better App Store score, 4.8 against 1.7. Both are backed by a comparable volume of ratings — 29 and 8 respectively. Written reviews point the same way: 27% of Crazy Hard Fast Math Reaction's written reviews are positive against 100% of Dark Math's.

Crazy Hard Fast Math Reaction ships an update every 11 months, Dark Math every 4 days. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Crazy Hard Fast Math Reaction | Dark Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (29 ratings)](https://appshunter.io/ios/app/crazy-hard-fast-math-reaction/id877393958/reviews) | **[4.8 (8 ratings)](https://appshunter.io/ios/app/dark-math-math-puzzle-game/id6738501626/reviews)** |
| Number of ratings | **29** | 8 |
| Positive reviews | 27.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 11 months | **Every 4 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 48 MB | 175 MB |
| Requires iOS | **12.4** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fragranze Games Ltd](https://appshunter.io/developer/640751335) | [Redev Inc.](https://appshunter.io/developer/1658921539) |

## 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 |


### Dark Math

[App page](https://appshunter.io/ios/app/dark-math-math-puzzle-game/id6738501626)

A challenging math puzzle game designed to sharpen your logic and reasoning skills. Place number cards to solve equations, from simple to highly complex, with difficulty that scales to push your limits.

**Highlights:** Logic and reasoning training, Diverse difficulty levels, Equation solving puzzles, Number card placement gameplay, Suitable for all ages

**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 Dark Math free?

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

### Which has better reviews, Crazy Hard Fast Math Reaction or Dark Math?

Dark Math is rated higher. Crazy Hard Fast Math Reaction averages 1.7 out of 5 from 29 ratings, while Dark Math averages 4.8 from 8 ratings.

### Do Crazy Hard Fast Math Reaction or Dark Math have ads?

Both Crazy Hard Fast Math Reaction and Dark Math show ads.

### Which is updated more often, Crazy Hard Fast Math Reaction or Dark Math?

Crazy Hard Fast Math Reaction ships an update every 11 months, and Dark Math every 4 days. Most recently, Crazy Hard Fast Math Reaction was updated on October 22, 2026 and Dark Math on October 25, 2026.

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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.*