# Screw Jam Master vs Wool Knit

Screw Jam Master and Wool Knit both sit at 4.8 stars, but that hides the real split: 76% of Wool Knit's written reviews are positive against 27% of Screw Jam Master's. Wool Knit also leads on ratings volume (2K vs 246) and iOS requirement (13.0 vs 15.0). Screw Jam Master's advantage is in-app purchases (none vs 9) and update cadence (weekly vs every 3 weeks). On price, rating, ads and device support there is nothing between them.

Both are free to download. Wool Knit sells 9 one-off in-app purchases. Screw Jam Master asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Screw Jam Master against 4.9 for Wool Knit. That said, the two scores are not equally well evidenced: Wool Knit has 2K ratings behind it against 246, so its average is the more settled of the two. Written reviews are what separate them: 27% of Screw Jam Master's written reviews are positive against 76% of Wool Knit's.

Screw Jam Master ships an update weekly, Wool Knit every 3 weeks. The most recent releases landed on October 30, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Screw Jam Master | Wool Knit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (246 ratings)](https://appshunter.io/ios/app/screw-jam-master-nuts-puzzle/id6677018495/reviews) | **[4.9 (2K ratings)](https://appshunter.io/ios/app/wool-knit-sort-colors/id6746444372/reviews)** |
| Number of ratings | 246 | **2K** |
| Positive reviews | 26.7% of reviews | **76.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 274 MB | 366 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [燕 肖](https://appshunter.io/developer/1767256079) | [Tripledot Studios](https://appshunter.io/developer/1191319103) |

## What reviewers say

### Screw Jam Master

[App page](https://appshunter.io/ios/app/screw-jam-master-nuts-puzzle/id6677018495)

Engage your intellect in a challenging puzzle game where you strategically unscrew nuts and bolts. Progress through thousands of levels, unlock new models, and experience the excitement of solving intricate screw-based challenges. This game offers a unique way to train your brain and relieve stress.

**Highlights:** Unscrew nuts and bolts to solve puzzles, Thousands of levels to master, Unlock new levels and models, Train your brain, Stress relief, Beautiful color screw models

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

**In-app purchases:** none

**What reviewers like**

- 👍 Fun to pass time
- 👍 Challenging but beatable
- 👍 Peaceful and relaxing
- 👍 Good for destressing
- 👍 Interesting game

**What reviewers complain about**

-  광고 Excessive ads
- ⏳ Long ads
- 😠 Ads interrupt gameplay
- 👎 Ads are intrusive
- 😵 Ads are unavoidable

**Reported bugs**

- Game freezing
- App crashing
- Glitching after refresh
- Ads not closing
- Levels are unwinnable

**Requested features**

- Option to skip ads
- Remove ad banner
- No ads option
- Polish language support


### Wool Knit

[App page](https://appshunter.io/ios/app/wool-knit-sort-colors/id6746444372)

A relaxing logic puzzle game where you sort colorful yarn balls onto spools. Exercise your brain with no timers or pressure, enjoying satisfying visuals and calming sounds. Unlock new themes and get help from adorable helpers.

**Highlights:** Color yarn ball sorting, Logic puzzle gameplay, Stress-free, no timers, Customizable themes and skins, Undo and hint options, Relaxing sound design

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pile of Coins | $2.99 | one-time |
| Starter Bundle | $2.99 | one-time |
| Tailor's Kit | $4.99 | one-time |
| Bunch of Coins | $8.99 | one-time |
| Knitter's Kit | $9.99 | one-time |
| Pocket of Coins | $19.99 | one-time |
| Bag of Coins | $34.99 | one-time |
| Chest of Coins | $69.99 | one-time |
| Hill of Coins | $139.99 | one-time |

**What reviewers like**

- 👍 Beautiful game
- 👍 Excellent game
- 👍 Fun and clever
- 👍 Great for seniors

**What reviewers complain about**

- 🐛 Extremely long ads
- 🐛 Too hard too fast
- 🐛 Too many ads

**Reported bugs**

- Game uninstalled due to ads
- App crashes


## Frequently asked questions

### Is Screw Jam Master free?

Screw Jam Master is free to download, with no in-app purchases.

### Is Wool Knit free?

Wool Knit is free to download, with in-app purchases available.

### Which has better reviews, Screw Jam Master or Wool Knit?

Wool Knit is rated higher. Screw Jam Master averages 4.8 out of 5 from 246 ratings, while Wool Knit averages 4.9 from 2K ratings.

### Do Screw Jam Master or Wool Knit have ads?

Both Screw Jam Master and Wool Knit show ads.

### Which is updated more often, Screw Jam Master or Wool Knit?

Screw Jam Master ships an update weekly, and Wool Knit every 3 weeks. Most recently, Screw Jam Master was updated on October 30, 2026 and Wool Knit on November 8, 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.*