# Ring Sort vs Screw Stack 3D

The clearest difference is rating: Screw Stack 3D at 4.9 against Ring Sort's 2.0. Screw Stack 3D also leads on in-app purchases (none vs 10) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Ring Sort sells 10 one-off in-app purchases. Screw Stack 3D asks for nothing beyond the download.

Screw Stack 3D holds the better App Store score, 4.9 against 2.0. Both are backed by a comparable volume of ratings — 5 and 24 respectively.

## The numbers

| Metric | Ring Sort | Screw Stack 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (5 ratings)](https://appshunter.io/ios/app/ring-sort-puzzle-game/id6471392971/reviews) | **[4.9 (24 ratings)](https://appshunter.io/ios/app/screw-stack-3d-bolts-puzzle/id6476439317/reviews)** |
| Number of ratings | 5 | **24** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 288 MB | 72 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sablo Studio](https://appshunter.io/developer/1434408975) | [Quang Mai duc](https://appshunter.io/developer/1587476616) |

## What reviewers say

### Ring Sort

[App page](https://appshunter.io/ios/app/ring-sort-puzzle-game/id6471392971)

Engage in a relaxing 3D color sorting puzzle game. Drag and drop colorful rings to match them on stacks, offering thousands of challenging levels. Perfect for unwinding and exercising your logic skills.

**Highlights:** 3D color sorting gameplay, Drag and drop controls, Thousands of puzzle levels, Color matching challenges, Relaxing color therapy experience, Logic puzzle solving

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Undo | $0.99 | one-time |
| Hints | $0.99 | one-time |
| Fist of Gems | $0.99 | one-time |
| Add Tubes | $0.99 | one-time |
| Special Offer | $1.99 | one-time |
| Sack of Gems | $2.99 | one-time |
| Jumbo Offer | $3.99 | one-time |
| Chest of Gems | $4.99 | one-time |
| Mega Offer | $5.99 | one-time |
| Remove Ads | $9.99 | one-time |


### Screw Stack 3D

[App page](https://appshunter.io/ios/app/screw-stack-3d-bolts-puzzle/id6476439317)

Engage your mind with a colorful and challenging puzzle game focused on sorting nuts, bolts, and screws. Master intricate patterns and a unique nut drop mechanism to become the ultimate sorter.

**Highlights:** Colorful 3D puzzles, Nut and bolt sorting, Challenging patterns, Innovative nut drop mechanism, Mind-engaging gameplay

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

**In-app purchases:** none


## Frequently asked questions

### Is Ring Sort free?

Ring Sort is free to download, with in-app purchases available.

### Is Screw Stack 3D free?

Screw Stack 3D is free to download, with no in-app purchases.

### Which has better reviews, Ring Sort or Screw Stack 3D?

Screw Stack 3D is rated higher. Ring Sort averages 2.0 out of 5 from 5 ratings, while Screw Stack 3D averages 4.9 from 24 ratings.

### Do Ring Sort or Screw Stack 3D have ads?

Ring Sort shows ads; Screw Stack 3D does not.

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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.*