# Screw Jam Master vs Unpin Master 3D

The clearest difference is in-app purchases: Screw Jam Master at none against Unpin Master 3D's 18. Screw Jam Master also leads on review sentiment (27% vs 15%). Unpin Master 3D's advantage is ratings volume (12K vs 246) and iOS requirement (13.0 vs 15.0). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Unpin Master 3D sells 18 one-off in-app purchases. Screw Jam Master asks for nothing beyond the download.

Screw Jam Master holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: Unpin Master 3D has 12K ratings behind it against 246, so its average is the more settled of the two. Written reviews point the same way: 27% of Screw Jam Master's written reviews are positive against 15% of Unpin Master 3D's.

Screw Jam Master ships an update weekly, Unpin Master 3D every 8 days. The most recent releases landed on October 23, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Screw Jam Master | Unpin Master 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (246 ratings)](https://appshunter.io/ios/app/screw-jam-master-nuts-puzzle/id6677018495/reviews)** | [4.6 (12K ratings)](https://appshunter.io/ios/app/unpin-master-3d/id6738989367/reviews) |
| Number of ratings | 246 | **12K** |
| Positive reviews | **26.7% of reviews** | 14.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 8 days |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 274 MB | 352 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [燕 肖](https://appshunter.io/developer/1767256079) | [FUNFINITY PTE. LTD](https://appshunter.io/developer/1637603996) |

## 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


### Unpin Master 3D

[App page](https://appshunter.io/ios/app/unpin-master-3d/id6738989367)

Engage in a time-limited puzzle game where you unpin colorful pins. Match three pins of the same color by tapping to clear them and achieve high scores. Test your reflexes and strategic thinking in this challenging brain teaser.

**Highlights:** Unpin colorful pins, Match three of the same color, Time-limited challenges, Score maximization, Brain-teasing puzzles, Quick reflexes required

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

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3000 Coins | $1.99 | one-time |
| Daily Pack | $4.99 | one-time |
| Revive Offer | $4.99 | one-time |
| Starter Pack 2 | $4.99 | one-time |
| 10000 Coins | $5.99 | one-time |
| Ads Break | $5.99 | one-time |
| Remove Ads | $9.99 | one-time |
| Starter Pack | $9.99 | one-time |
| Screw Hole | $9.99 | one-time |
| 25000 Coins | $12.99 | one-time |
| Screw Box | $14.99 | one-time |
| Valuable Pack | $19.99 | one-time |
| Make It Rain | $19.99 | one-time |
| Full Screw Box | $29.99 | one-time |
| 60000 Coins | $29.99 | one-time |
| Make It Rain Original | $29.99 | one-time |
| 135000 Coins | $59.99 | one-time |
| 300000 Coins | $99.99 | one-time |

**What reviewers like**

- 👍 Easy to see colors
- 🔨 Fun puzzle gameplay

**What reviewers complain about**

- 💰 Excessive ads and monetization
- 🐛 Malware and security issues
- 🤖 Levels designed to force ads
- 🎨 Repetitive and limited content
- 🔍 Accessibility issues for color blind users

**Reported bugs**

- Levels with impossible solutions
- Ads redirecting to malicious websites
- Sound issues after closing ads
- Inconsistent reward tracking

**Requested features**

- Add more unique puzzle levels
- Provide an option to disable auto-zoom
- Implement a colorblind mode
- Improve ad implementation and reduce frequency


## Frequently asked questions

### Is Screw Jam Master free?

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

### Is Unpin Master 3D free?

Unpin Master 3D is free to download, with in-app purchases available.

### Which has better reviews, Screw Jam Master or Unpin Master 3D?

Screw Jam Master is rated higher. Screw Jam Master averages 4.8 out of 5 from 246 ratings, while Unpin Master 3D averages 4.6 from 12K ratings.

### Do Screw Jam Master or Unpin Master 3D have ads?

Both Screw Jam Master and Unpin Master 3D show ads.

### Which is updated more often, Screw Jam Master or Unpin Master 3D?

Screw Jam Master ships an update weekly, and Unpin Master 3D every 8 days. Most recently, Screw Jam Master was updated on October 23, 2026 and Unpin Master 3D on October 31, 2026.

---

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