# Screws Nuts and Bolts vs Crazy Nuts!

The clearest difference is rating: Crazy Nuts! at 4.8 against Screws Nuts and Bolts's 3.0. Crazy Nuts! also leads on update cadence (weekly vs every 5 months) and ratings volume (25 vs 2). Screws Nuts and Bolts's advantage is in-app purchases (none vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Crazy Nuts! sells 1 one-off in-app purchase. Screws Nuts and Bolts asks for nothing beyond the download.

Crazy Nuts! holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: Crazy Nuts! has 25 ratings behind it against 2, so its average is the more settled of the two.

Screws Nuts and Bolts ships an update every 5 months, Crazy Nuts! weekly. The most recent releases landed on October 30, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Screws Nuts and Bolts | Crazy Nuts! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/screws-nuts-and-bolts/id6469170596/reviews) | **[4.8 (25 ratings)](https://appshunter.io/ios/app/crazy-nuts/id6472048667/reviews)** |
| Number of ratings | 2 | **25** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 101 MB | 160 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Skilljoy, LLC](https://appshunter.io/developer/1096209515) | [byss mobile](https://appshunter.io/developer/327447624) |

## What reviewers say

### Screws Nuts and Bolts

[App page](https://appshunter.io/ios/app/screws-nuts-and-bolts/id6469170596)

Engage in a unique puzzle game where you unscrew objects and strategically place them into designated holes. Overcome challenging levels with the help of hints and boosters. This brain-training game offers a fresh take on sorting puzzles for family fun.

**Highlights:** Unscrew objects to solve levels, Place objects into different holes, Utilize hints and boosters, Brain training puzzles, Family-friendly gameplay, New puzzle game style

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

**In-app purchases:** none


### Crazy Nuts!

[App page](https://appshunter.io/ios/app/crazy-nuts/id6472048667)

Engage in a tactile puzzle adventure where you screw and unscrew nuts and pins to navigate challenging mazes. Unlock new levels and prove your problem-solving skills with intuitive controls and vibrant visuals.

**Highlights:** Screw and unscrew mechanics, Nut-busting puzzle challenges, Level unlocking and rewards, Intuitive tap-and-drag controls, Vibrant visual graphics, Competitive leaderboards

**Features:** macOS Compatibility

**In-app purchases (1)**

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


## Frequently asked questions

### Is Screws Nuts and Bolts free?

Screws Nuts and Bolts is free to download, with no in-app purchases.

### Is Crazy Nuts! free?

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

### Which has better reviews, Screws Nuts and Bolts or Crazy Nuts!?

Crazy Nuts! is rated higher. Screws Nuts and Bolts averages 3.0 out of 5 from 2 ratings, while Crazy Nuts! averages 4.8 from 25 ratings.

### Do Screws Nuts and Bolts or Crazy Nuts! have ads?

Both Screws Nuts and Bolts and Crazy Nuts! show ads.

### Which is updated more often, Screws Nuts and Bolts or Crazy Nuts!?

Screws Nuts and Bolts ships an update every 5 months, and Crazy Nuts! weekly. Most recently, Screws Nuts and Bolts was updated on October 30, 2026 and Crazy Nuts! on November 4, 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.*