# Screw Jam vs Screw Master

The clearest difference is in-app purchases: Screw Master at none against Screw Jam's 20. Screw Master also leads on rating (4.9 vs 4.6) and iOS requirement (13.0 vs 15.0). Screw Jam's advantage is ads (none vs shown) and chart position (#117 vs unranked). On price, review sentiment, monetization model and device support there is nothing between them.

Both are free to download. Screw Jam sells 18 one-off in-app purchases. Screw Master asks for nothing beyond the download.

Screw Master holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 49K and 11K respectively. Written reviews point the same way: 26% of Screw Jam's written reviews are positive against 30% of Screw Master's.

Screw Jam ships an update weekly, Screw Master fortnightly. Both last shipped on September 24, 2026.

## The numbers

| Metric | Screw Jam | Screw Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (49K ratings)](https://appshunter.io/ios/app/screw-jam/id6471490579/reviews) | **[4.9 (11K ratings)](https://appshunter.io/ios/app/screw-master-color-nuts-jam/id6553988949/reviews)** |
| Number of ratings | **49K** | 11K |
| Positive reviews | 26.2% of reviews | **30.5% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#117** | — |
| Size | 481 MB | 148 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Rollic Games](https://appshunter.io/developer/1452111779) | [Longwind Studio](https://appshunter.io/developer/1486315141) |

## What reviewers say

### Screw Jam

[App page](https://appshunter.io/ios/app/screw-jam/id6471490579)

**Currently charting:** #117 Top Grossing · Board (US App Store)

Engage in a logic-based puzzle game where you unscrew and sort colorful screws, pins, and nuts. Navigate hundreds of unique levels with increasing complexity, utilizing custom tools and overcoming obstacle courses to achieve puzzle mastery.

**Highlights:** Unscrew and sort colorful screws, pins, and nuts, Hundreds of unique logic puzzle levels, Custom screw tools for harder puzzles, Multilayered puzzles with correct removal sequences, Obstacle course levels with shifting mechanics, Endless puzzle mode for continuous play, Daily challenges with special rewards

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

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Special Offer | $0.99 | one-time |
| Coin 1 | $1.99 | one-time |
| Coin 2 | $4.99 | one-time |
| Hard Level Offer | $4.99 | one-time |
| Fail Offer | $4.99 | one-time |
| Remove Ads | $5.99 | one-time |
| Gold Pass | $7.99 | one-time |
| Coin 2 | $7.99 | one-time |
| Burger Fest Step | $7.99 | one-time |
| 4th of July Offer | $7.99 | one-time |
| No Ads Bundle | $9.99 | one-time |
| Infinite Life 1 | $9.99 | one-time |
| Gold Pass | $9.99 | one-time |
| No Ads Bundle | $11.99 | one-time |
| Coin 3 | $14.99 | one-time |
| Infinite Life 2 | $19.99 | one-time |
| Coin 4 | $24.99 | one-time |
| Infinite Life 3 | $29.99 | one-time |

**What reviewers like**

- 🚀 Challenging and fun
- 🕰️ Relaxing gameplay
- ⭐ Great concept
- 👍 Enjoyable for a while

**What reviewers complain about**

- 💰 Pay-to-win mechanics
- 🔍 Impossible levels
- 🔁 Repetitive levels
- 🎨 Hard to distinguish colors
- 🔋 Drains battery

**Reported bugs**

- Level 121 cannot be completed
- Level 237 cannot be completed
- Incorrect screw types on certain levels
- Crashes and freezes
- Inability to report issues

**Requested features**

- Colorblind mode
- Ability to use all 5 screw holes
- More ways to earn coins
- Option to skip timed levels
- Sound effects and music


### Screw Master

[App page](https://appshunter.io/ios/app/screw-master-color-nuts-jam/id6553988949)

Engage your mind with a logic puzzle game focused on unscrewing nuts and bolts. Strategically untangle intricate screw pin jams, plan your moves carefully, and solve increasingly complex challenges to test your IQ and problem-solving skills.

**Highlights:** Diverse puzzle layouts, Logical hints and boosters, User-friendly interface, Scoring and rewards, ASMR sound effects, IQ testing challenges

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

**In-app purchases:** none

**What reviewers like**

- 🎮 Fun and challenging game
- 🎨 Colorful and visually appealing
- 🧠 Keeps the mind alert
- 🕰️ Relaxing and enjoyable

**What reviewers complain about**

- 🤖 Excessive ads and forced ad-watching
- 🔒 Suspicious browser redirects and security concerns
- 🤯 Impossible to progress without ads
- 🐛 Frequent crashes and freezes

**Reported bugs**

- Forced browser redirects and malware scans
- Ads that cannot be closed or skipped
- Levels becoming unwinnable without ads

**Requested features**

- Option to purchase ad-free version
- Improved colorblind accessibility
- More intuitive level progression


## Frequently asked questions

### Is Screw Jam free?

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

### Is Screw Master free?

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

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

Screw Master is rated higher. Screw Jam averages 4.6 out of 5 from 49K ratings, while Screw Master averages 4.9 from 11K ratings.

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

Screw Master shows ads; Screw Jam does not.

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

Screw Jam ships an update weekly, and Screw Master fortnightly. Most recently, Screw Jam was updated on September 24, 2026 and Screw Master on September 24, 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.*