# Machine Challenge vs Crazy Gears Box

The clearest difference is rating: Crazy Gears Box at 4.5 against Machine Challenge's 2.0. Crazy Gears Box also leads on ratings volume (84 vs 2). Machine Challenge's advantage is in-app purchases (none vs 1) and update cadence (every 10 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Crazy Gears Box sells 1 one-off in-app purchase. Machine Challenge asks for nothing beyond the download.

Crazy Gears Box holds the better App Store score, 4.5 against 2.0. That said, the two scores are not equally well evidenced: Crazy Gears Box has 84 ratings behind it against 2, so its average is the more settled of the two.

Machine Challenge ships an update every 10 days, Crazy Gears Box every 3 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Machine Challenge | Crazy Gears Box |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (2 ratings)](https://appshunter.io/ios/app/machine-challenge/id1623578726/reviews) | **[4.5 (84 ratings)](https://appshunter.io/ios/app/crazy-gears-box-connect-cogs/id6450954513/reviews)** |
| Number of ratings | 2 | **84** |
| Positive reviews | — | 77.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 10 days** | Every 3 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 95 MB | 48 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Huseyin Gulgen](https://appshunter.io/developer/1596459830) | [Daniel Cornelis Johannes Maria van Geel](https://appshunter.io/developer/1795079972) |

## What reviewers say

### Machine Challenge

[App page](https://appshunter.io/ios/app/machine-challenge/id1623578726)

Design intricate machines to overcome various obstacles and reach the finish line. This physics-based puzzle game challenges your creativity and engineering skills.

**Highlights:** Machine design, Obstacle courses, Physics-based gameplay, Creative problem-solving, Reaching finish line

**Features:** macOS Compatibility

**In-app purchases:** none


### Crazy Gears Box

[App page](https://appshunter.io/ios/app/crazy-gears-box-connect-cogs/id6450954513)

Engage in a relaxing ASMR puzzle experience by connecting gears and cogs on a cube. Progress through over 1000 levels of increasing difficulty, from easy to challenging brain teasers. Enjoy a no-pressure gameplay with simple controls and offline play.

**Highlights:** 1000+ levels, ASMR sounds, Simple one-finger control, No time limit, Offline play, Easy to hard puzzles

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $3.99 | one-time |


## Frequently asked questions

### Is Machine Challenge free?

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

### Is Crazy Gears Box free?

Crazy Gears Box is free to download, with in-app purchases available.

### Which has better reviews, Machine Challenge or Crazy Gears Box?

Crazy Gears Box is rated higher. Machine Challenge averages 2.0 out of 5 from 2 ratings, while Crazy Gears Box averages 4.5 from 84 ratings.

### Do Machine Challenge or Crazy Gears Box have ads?

Both Machine Challenge and Crazy Gears Box show ads.

### Which is updated more often, Machine Challenge or Crazy Gears Box?

Machine Challenge ships an update every 10 days, and Crazy Gears Box every 3 months. Most recently, Machine Challenge was updated on November 3, 2026 and Crazy Gears Box 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.*