# USB Challenge vs Twisted Chains 3D

The clearest difference is rating: Twisted Chains 3D at 4.3 against USB Challenge's 2.5. Twisted Chains 3D also leads on in-app purchases (none vs 1). USB Challenge's advantage is iOS requirement (7.1 vs 12.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. USB Challenge sells 1 one-off in-app purchase. Twisted Chains 3D asks for nothing beyond the download.

Twisted Chains 3D holds the better App Store score, 4.3 against 2.5. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

## The numbers

| Metric | USB Challenge | Twisted Chains 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (2 ratings)](https://appshunter.io/ios/app/usb-challenge-speed-thinking-game/id1094237228/reviews) | **[4.3 (4 ratings)](https://appshunter.io/ios/app/twisted-chains-3d-color-nuts/id6476802926/reviews)** |
| Number of ratings | 2 | **4** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Monetization | Free with in-app purchases | **Free** |
| Size | 24 MB | 59 MB |
| Requires iOS | **7.1** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rami Moghrabi](https://appshunter.io/developer/1146153124) | [Trang Ngoc](https://appshunter.io/developer/1655654962) |

## What reviewers say

### USB Challenge

[App page](https://appshunter.io/ios/app/usb-challenge-speed-thinking-game/id1094237228)

Test your reflexes by quickly matching the correct side of a USB plug to its socket. Swipe to insert the plug and keep your device charged before time runs out. A fast-paced game designed to challenge your speed and accuracy.

**Highlights:** Match USB plug sides, Swipe to insert, Timed challenges, Fast reflexes required, Device charging simulation

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| remove ads | $0.99 | one-time |


### Twisted Chains 3D

[App page](https://appshunter.io/ios/app/twisted-chains-3d-color-nuts/id6476802926)

Engage your mind with a challenging untangling puzzle. Study overlapping chains and strategically untie nuts to solve intricate problems. This game offers a unique test of your problem-solving abilities.

**Highlights:** Untangling challenge, Problem-solving skills, 3D puzzle gameplay, Strategic chain untying, Mind engagement

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

**In-app purchases:** none


## Frequently asked questions

### Is USB Challenge free?

USB Challenge is free to download, with in-app purchases available.

### Is Twisted Chains 3D free?

Twisted Chains 3D is free to download, with no in-app purchases.

### Which has better reviews, USB Challenge or Twisted Chains 3D?

Twisted Chains 3D is rated higher. USB Challenge averages 2.5 out of 5 from 2 ratings, while Twisted Chains 3D averages 4.3 from 4 ratings.

### Do USB Challenge or Twisted Chains 3D have ads?

Neither USB Challenge nor Twisted Chains 3D shows ads.

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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.*