# Only Screw Puzzles vs 三根毛

The clearest difference is in-app purchases: 三根毛 at none against Only Screw Puzzles's 3. 三根毛 also leads on ads (none vs shown). Only Screw Puzzles's advantage is update cadence (every 4 days vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Only Screw Puzzles sells 3 in-app purchases, starting at $0.99 per month. 三根毛 asks for nothing beyond the download.

Only Screw Puzzles ships an update every 4 days, 三根毛 every 2 months. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Only Screw Puzzles | 三根毛 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 2 months |
| Size | 65 MB | 254 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Damien Devillian](https://appshunter.io/developer/1785838605) | [YUE CHENG WU](https://appshunter.io/developer/1837857381) |

## What reviewers say

### 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 |


### 三根毛

[App page](https://appshunter.io/ios/app/id6780201611)

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

**In-app purchases:** none


## Frequently asked questions

### Is Only Screw Puzzles free?

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

### Is 三根毛 free?

三根毛 is free to download, with no in-app purchases.

### Do Only Screw Puzzles or 三根毛 have ads?

Only Screw Puzzles shows ads; 三根毛 does not.

### Which is updated more often, Only Screw Puzzles or 三根毛?

Only Screw Puzzles ships an update every 4 days, and 三根毛 every 2 months. Most recently, Only Screw Puzzles was updated on October 13, 2026 and 三根毛 on October 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.*