# 拧螺丝3D vs Only Screw Puzzles

The clearest difference is in-app purchases: 拧螺丝3D at none against Only Screw Puzzles's 3. 拧螺丝3D also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.6). Only Screw Puzzles's advantage is update cadence (every 4 days vs every 3 weeks). On price and device support there is nothing between them.

Both are free to download. Only Screw Puzzles sells 3 in-app purchases, starting at $0.99 per month. 拧螺丝3D asks for nothing beyond the download.

拧螺丝3D ships an update every 3 weeks, Only Screw Puzzles every 4 days. The most recent releases landed on September 29, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 拧螺丝3D | Only Screw Puzzles |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Size | 70 MB | 65 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [永杰 张](https://appshunter.io/developer/1514324749) | [Damien Devillian](https://appshunter.io/developer/1785838605) |

## What reviewers say

### 拧螺丝3D

[App page](https://appshunter.io/ios/app/3d/id6739273887)

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

**In-app purchases:** none


### Only Screw Puzzles

[App page](https://appshunter.io/ios/app/only-screw-puzzles/id6761984433)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Month | $0.99 | per month |
| Six Months | $3.99 | per 6 months |
| One Year | $4.99 | per year |


## Frequently asked questions

### Is 拧螺丝3D free?

拧螺丝3D is free to download, with no in-app purchases.

### Is Only Screw Puzzles free?

Only Screw Puzzles is free to download, with in-app purchases available.

### Do 拧螺丝3D or Only Screw Puzzles have ads?

Only Screw Puzzles shows ads; 拧螺丝3D does not.

### Which is updated more often, 拧螺丝3D or Only Screw Puzzles?

拧螺丝3D ships an update every 3 weeks, and Only Screw Puzzles every 4 days. Most recently, 拧螺丝3D was updated on September 29, 2026 and Only Screw Puzzles on October 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*