# Crazy Contraptions vs Gem Sort

The clearest difference is review sentiment: Crazy Contraptions at 100% against Gem Sort's 0%. Crazy Contraptions also leads on rating (4.7 vs 1.0) and ratings volume (18 vs 1). Gem Sort's advantage is in-app purchases (none vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Crazy Contraptions sells 1 one-off in-app purchase. Gem Sort asks for nothing beyond the download.

Crazy Contraptions holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Crazy Contraptions has 18 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Crazy Contraptions's written reviews are positive against 0% of Gem Sort's.

Crazy Contraptions ships an update fortnightly, Gem Sort every 11 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Crazy Contraptions | Gem Sort |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (18 ratings)](https://appshunter.io/ios/app/crazy-contraptions/id6758284494/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/gem-sort-pixel-art-coloring/id6762752853/reviews) |
| Number of ratings | **18** | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 11 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 382 MB | 83 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dave Shworan](https://appshunter.io/developer/1835045839) | [Redeye Game](https://appshunter.io/developer/1562138130) |

## What reviewers say

### Crazy Contraptions

[App page](https://appshunter.io/ios/app/crazy-contraptions/id6758284494)

Design and build intricate machines to solve physics-based puzzles. Experiment with various interactive objects to create chain reactions and achieve goals in a sandbox environment that rewards creativity and logic.

**Highlights:** Hundreds of physics puzzles, Build creative contraptions, Trigger chain reactions, Experiment freely, Relaxed, non-timed gameplay, Satisfying solutions

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### Gem Sort

[App page](https://appshunter.io/ios/app/gem-sort-pixel-art-coloring/id6762752853)

Transform piles of colorful gems into stunning pixel-art mosaics. Sort each jewel by color to reveal hidden images of fruits, animals, and more. Enjoy a relaxing, offline coloring experience with satisfying ASMR sounds and no forced ads.

**Highlights:** Create pixel art from gems, Sort gems by color, Offline gameplay, Relaxing, no time limits, ASMR-style sound effects, Hand-crafted levels

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

**In-app purchases:** none


## Frequently asked questions

### Is Crazy Contraptions free?

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

### Is Gem Sort free?

Gem Sort is free to download, with no in-app purchases.

### Which has better reviews, Crazy Contraptions or Gem Sort?

Crazy Contraptions is rated higher. Crazy Contraptions averages 4.7 out of 5 from 18 ratings, while Gem Sort averages 1.0 from 1 ratings.

### Do Crazy Contraptions or Gem Sort have ads?

Both Crazy Contraptions and Gem Sort show ads.

### Which is updated more often, Crazy Contraptions or Gem Sort?

Crazy Contraptions ships an update fortnightly, and Gem Sort every 11 days. Most recently, Crazy Contraptions was updated on October 28, 2026 and Gem Sort 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.*