# Crazy Hard Fast Math Reaction vs Crazing Math

The clearest difference is review sentiment: Crazing Math at 97% against Crazy Hard Fast Math Reaction's 27%. Crazing Math also leads on rating (4.3 vs 1.7) and update cadence (every 4 months vs every 11 months). Crazy Hard Fast Math Reaction's advantage is ratings volume (29 vs 8). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Crazy Hard Fast Math Reaction sells 1 one-off in-app purchase and Crazing Math sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Crazing Math holds the better App Store score, 4.3 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 97% of Crazing Math's.

Crazy Hard Fast Math Reaction ships an update every 11 months, Crazing Math every 4 months. The most recent releases landed on September 4, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Crazy Hard Fast Math Reaction | Crazing Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (29 ratings)](https://appshunter.io/ios/app/crazy-hard-fast-math-reaction/id877393958/reviews) | **[4.3 (8 ratings)](https://appshunter.io/ios/app/crazing-math/id1071727485/reviews)** |
| Number of ratings | **29** | 8 |
| Positive reviews | 27.3% of reviews | **96.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 11 months | **Every 4 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 48 MB | 18 MB |
| Requires iOS | 12.4 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fragranze Games Ltd](https://appshunter.io/developer/640751335) | [Cuong Du Duc](https://appshunter.io/developer/951332376) |

## 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 |


### Crazing Math

[App page](https://appshunter.io/ios/app/crazing-math/id1071727485)

A fast-paced game that challenges your mental math abilities. Select three numbers that sum to a target value within a time limit. The challenge increases as the timer counts down, requiring quick thinking and rapid calculations.

**Highlights:** Time-based challenges, Select three numbers to sum, Increasing difficulty, Random number generation, High score tracking

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


## 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 Crazing Math free?

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

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

Crazing Math is rated higher. Crazy Hard Fast Math Reaction averages 1.7 out of 5 from 29 ratings, while Crazing Math averages 4.3 from 8 ratings.

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

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

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

Crazy Hard Fast Math Reaction ships an update every 11 months, and Crazing Math every 4 months. Most recently, Crazy Hard Fast Math Reaction was updated on September 4, 2026 and Crazing Math on September 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*