# Crazy Hard Fast Math Reaction vs Block Dash 2

The clearest difference is rating: Block Dash 2 at 2.8 against Crazy Hard Fast Math Reaction's 1.7. Block Dash 2 also leads on update cadence (every 10 days vs every 11 months). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Crazy Hard Fast Math Reaction sells 1 one-off in-app purchase and Block Dash 2 sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Block Dash 2 holds the better App Store score, 2.8 against 1.7. Both are backed by a comparable volume of ratings — 29 and 67 respectively. Written reviews complicate that: 27% of Crazy Hard Fast Math Reaction's written reviews are positive against 23% of Block Dash 2's, so the app with the better star average is not the one people write more warmly about.

Crazy Hard Fast Math Reaction ships an update every 11 months, Block Dash 2 every 10 days. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Crazy Hard Fast Math Reaction | Block Dash 2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (29 ratings)](https://appshunter.io/ios/app/crazy-hard-fast-math-reaction/id877393958/reviews) | **[2.8 (67 ratings)](https://appshunter.io/ios/app/block-dash-2-jump-geometry/id6451107895/reviews)** |
| Number of ratings | 29 | **67** |
| Positive reviews | **27.3% of reviews** | 23.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 11 months | **Every 10 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 48 MB | 174 MB |
| Requires iOS | 12.4 | 12.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fragranze Games Ltd](https://appshunter.io/developer/640751335) | [Rainbow 5s Co., Ltd](https://appshunter.io/developer/1583144420) |

## 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 |


### Block Dash 2

[App page](https://appshunter.io/ios/app/block-dash-2-jump-geometry/id6451107895)

Experience a rhythm-based action platformer with pixel art graphics. Navigate challenging levels by jumping and flying to the beat of the music, avoiding obstacles, and customizing your character. Explore new worlds, unlock rewards, and test your skills in various game modes.

**Highlights:** Rhythm-based action platforming, Pixel graphic color style, One-touch music jump gameplay, Unlockable icons and colors, Fly rockets and flip gravity, Ten unique music levels, Daily quests and rewards

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |
| Coin Pack 1 | $1.99 | one-time |
| Coin Pack 2 | $6.99 | one-time |
| Coin Pack 3 | $9.99 | one-time |
| Coin Pack 4 | $14.99 | one-time |
| Coin Pack 5 | $19.99 | one-time |
| Coin Pack 6 | $29.99 | one-time |

**What reviewers like**

- 🎶 Great music
- 🤩 Awesome gameplay (for some)
- ✨ Cool skins (mentioned by one user)
- 👍 Decent for a copy (for some)
- 💯 Very fun (for some)

**What reviewers complain about**

- 🤥 Deceptive app icon/preview
- ⏳ Extremely long loading times
- 🎮 Direct copy of Geometry Dash
- 😠 Unplayable due to loading/bugs
- 💸 Unfair monetization/ads

**Reported bugs**

- Game doesn't load
- Infinite loading screens
- Game crashes
- Ball doesn't reach the platform
- Jump not working after checkpoint

**Requested features**

- Make levels easier
- Add more levels
- Fix the character discrepancy (cube vs ball)
- Improve graphics
- Separate normal and flying levels better


## 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 Block Dash 2 free?

Block Dash 2 is free to download, with in-app purchases available.

### Which has better reviews, Crazy Hard Fast Math Reaction or Block Dash 2?

Block Dash 2 is rated higher. Crazy Hard Fast Math Reaction averages 1.7 out of 5 from 29 ratings, while Block Dash 2 averages 2.8 from 67 ratings.

### Do Crazy Hard Fast Math Reaction or Block Dash 2 have ads?

Both Crazy Hard Fast Math Reaction and Block Dash 2 show ads.

### Which is updated more often, Crazy Hard Fast Math Reaction or Block Dash 2?

Crazy Hard Fast Math Reaction ships an update every 11 months, and Block Dash 2 every 10 days. Most recently, Crazy Hard Fast Math Reaction was updated on November 1, 2026 and Block Dash 2 on November 7, 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.*