# USB Challenge vs Number Puzzle Master

The clearest difference is review sentiment: USB Challenge at 50% against Number Puzzle Master's 0%. USB Challenge also leads on ads (none vs shown) and iOS requirement (7.1 vs 13.0). Number Puzzle Master's advantage is in-app purchases (none vs 1). On price and device support there is nothing between them.

Both are free to download. USB Challenge sells 1 one-off in-app purchase. Number Puzzle Master asks for nothing beyond the download.

## The numbers

| Metric | USB Challenge | Number Puzzle Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/usb-challenge-speed-thinking-game/id1094237228/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | — | Every 19 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 24 MB | 156 MB |
| Requires iOS | **7.1** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rami Moghrabi](https://appshunter.io/developer/1146153124) | [Wuhan Buxiyou Technology Co.,Ltd.](https://appshunter.io/developer/1780303379) |

## 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 |


### Number Puzzle Master

[App page](https://appshunter.io/ios/app/number-puzzle-master2048/id6738345340)

Engage your mind with a collection of addictive number block puzzles. Merge blocks by tapping, connecting, or shooting to achieve higher numbers. This free, offline game offers simple controls and automatic saving for continuous play.

**Highlights:** Multiple number block puzzle types, Offline play, no internet required, Simple controls, easy to learn, Brain training and mind sharpening, Automatic game save, Exit and resume anytime

**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 Number Puzzle Master free?

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

### Do USB Challenge or Number Puzzle Master have ads?

Number Puzzle Master shows ads; USB Challenge does not.

---

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