# USB Challenge vs Operator 3D

The clearest difference is rating: Operator 3D at 4.0 against USB Challenge's 2.5. Operator 3D also leads on in-app purchases (none vs 1) and review sentiment (67% vs 50%). USB Challenge's advantage is iOS requirement (7.1 vs 9.0). 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. Operator 3D asks for nothing beyond the download.

Operator 3D holds the better App Store score, 4.0 against 2.5. Both are backed by a comparable volume of ratings — 2 and 5 respectively. Written reviews point the same way: 50% of USB Challenge's written reviews are positive against 67% of Operator 3D's.

## The numbers

| Metric | USB Challenge | Operator 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (2 ratings)](https://appshunter.io/ios/app/usb-challenge-speed-thinking-game/id1094237228/reviews) | **[4.0 (5 ratings)](https://appshunter.io/ios/app/operator-3d/id1489047557/reviews)** |
| Number of ratings | 2 | **5** |
| Positive reviews | 50.0% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 5 days |
| Monetization | Free with in-app purchases | **Free** |
| Size | 24 MB | 122 MB |
| Requires iOS | **7.1** | 9.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rami Moghrabi](https://appshunter.io/developer/1146153124) | [Pixel Envision Ltd.](https://appshunter.io/developer/444289214) |

## 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 |


### Operator 3D

[App page](https://appshunter.io/ios/app/operator-3d/id1489047557)

A fast-paced puzzle game where you manage a telephone switchboard. Connect incoming calls to their correct destinations as quickly as possible without missing any or disconnecting active lines.

**Highlights:** Manage a telephone switchboard, Connect incoming calls, Route calls to recipients, Fast-paced gameplay, Puzzle mechanics, Avoid missing calls

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is USB Challenge free?

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

### Is Operator 3D free?

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

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

Operator 3D is rated higher. USB Challenge averages 2.5 out of 5 from 2 ratings, while Operator 3D averages 4.0 from 5 ratings.

### Do USB Challenge or Operator 3D have ads?

Neither USB Challenge nor Operator 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.*