# Unscrew Jam Master: Pin Puzzle

> Brain-training puzzle game to arrange screws, nuts, and pins. (iPhone/iPad app by Doan Thanh.)

- Source: https://appshunter.io/ios/app/unscrew-jam-master-pin-puzzle/id6738937433 (this page in markdown: same URL + `.md`)
- Developer: [Doan Thanh](https://appshunter.io/developer/879984976)
- Category: Games, Puzzle
- Price: Free with in-app purchases
- Rating: 4.90/5 from 95 App Store ratings · 3 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.0 · 271 MB
- Languages: American English, Catalan, French (France), German (Germany), Japanese, Korean, Chinese (Simplified, China), European Spanish
- Released: 2024-12-19
- Data updated: 2026-06-10
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/unscrew-jam-master-pin-puzzle/id6738937433/reviews.md

## What is Unscrew Jam Master?

Do you want to test your IQ? Do you want to train your brain with complex yet colorful puzzles? Welcome to Unscrew Jam Master: Nuts Pin.

    Unscrew Jam Master: Nuts Pin is an excellent intellectual game.  Where you are challenged to solve puzzles and carefully arrange screws, pins, and nuts into their boxes. Immerse yourself in a vibrant and colorful world of components, where you will challenge your intelligence, logic, and strategic skills.
    You will need to calculate each move, plan your actions strategically to solve and arrange the new and exciting screw jam challenges. The levels will become increasingly difficult, with new obstacles appearing... make sure you are mentally prepared to face and solve them.

Overcoming each tricky level, the rewards you receive are gold coins and the opportunity to collect new colorful components. You can use gold coins to build and develop wonderful natural wonders for your city: the Statue of Liberty, the city museum, the grand theater... Decorate your city to make it more lively and vibrant. With the gold coins you earn, you can also buy boosters - which will help you overcome the difficult and challenging levels ahead. Calculate and consider carefully.

    A colorful and challenging intellectual game, Unscrew Jam Master: Nuts Pin is waiting for you to explore! 

Game features:
      Explore various themes with unique component shapes
      Over 100 puzzle levels and more
      Collect gold coins to build and develop your city
      Test your thinking skills and enhance your intelligence
      If you really get stuck, you can always use multiple boosters

      Unscrew Jam Master: Nuts Pin - The challenging, puzzling, and exciting screw master game is ready. Download now to enjoy fun and creative moments!

## Key features

- IQ and brain training
- Strategic screw and nut arrangement
- Over 100 puzzle levels
- Collect gold coins for city building
- Use boosters for difficult levels
- Explore various themes

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| LIMITED PACK | $7.99 | one-time |
| Small_Life | $1.99 | one-time |
| Big_Life | $19.99 | one-time |
| Medium_Life | $7.99 | one-time |
| Bag of Coins | $24.99 | one-time |
| Few of Coins | $1.99 | one-time |
| Pouch of Coins | $3.99 | one-time |
| Handful of Coins | $5.99 | one-time |
| Chest of Coins | $44.99 | one-time |
| Mountain of Coins | $99.99 | one-time |


## Recent user reviews (3 of 3)

All indexed reviews: https://appshunter.io/ios/app/unscrew-jam-master-pin-puzzle/id6738937433/reviews.md

### 5/5 — Unscrew Jam Master Pin Puzzle

*2025-01-16*

It’s a fun puzzle to work & solve, it’s a challenge at times!!!  Love it!

### 5/5 — Unscrew Jam Master

*2025-01-06*

Interesting game with colorful screws.

### 5/5 — Unscrew Jam Master

*2025-01-05*

I love the graphics in this game, Ilove the hearts when they splash up, sweeet.😍😁❤️

## Frequently asked questions about Unscrew Jam Master

### What is the main gameplay of Unscrew Jam Master?

The main gameplay involves strategically arranging screws, pins, and nuts into their correct boxes to solve increasingly difficult puzzles. Players must calculate each move and plan actions to overcome challenges.

### Can I play Unscrew Jam Master offline?

The provided data does not specify if Unscrew Jam Master can be played offline. Many puzzle games offer offline modes, but confirmation would require checking within the app or its store listing.

### How does Unscrew Jam Master monetize?

Unscrew Jam Master is free to download and play, but it includes in-app purchases and advertisements. Players can buy boosters to help with difficult levels and earn gold coins to build their city.

### What is the age rating for Unscrew Jam Master?

Unscrew Jam Master has an age rating of 4+, making it suitable for young children and adults alike.

### How often is Unscrew Jam Master updated?

The latest version, 0.0.6, was released on January 28, 2025. While this indicates recent activity, the exact update frequency is not specified.

### What rewards can I earn in Unscrew Jam Master?

By overcoming tricky levels, players receive gold coins and the opportunity to collect new colorful components. These gold coins can be used to build and develop natural wonders for your city.

### Does Unscrew Jam Master support multiple devices?

Yes, Unscrew Jam Master is supported on iPhone, iPad, and iPod, indicating compatibility across various Apple mobile devices.

### What makes Unscrew Jam Master's puzzles challenging?

The puzzles become increasingly difficult with new obstacles appearing as players progress. Strategic thinking and careful calculation are required to solve these complex challenges.

## Version history (last 2 releases)

### 0.0.6 — 2025-01-28

Release version 0.0.6
- Add weekly challenge
- Fix minor bugs
- Optimize performance.
Our development team is continually improving the game to deliver the best mobile entertainment. Thank you for playing and we hope you continue to support future updates of Unscrew Jam Master: Pin Puzzle.

### 1.0 — 2024-12-19

No release notes.

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| --- | --- | --- | --- |
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## More apps by Doan Thanh

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All apps by Doan Thanh: https://appshunter.io/developer/879984976

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*