# U8 vs USBKill

The clearest difference is review sentiment: U8 at 64% against USBKill's 0%. U8 also leads on rating (4.1 vs 3.7). USBKill's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume and device support there is nothing between them.

Both are free to download. U8 sells 1 one-off in-app purchase. USBKill asks for nothing beyond the download.

U8 holds the better App Store score, 4.1 against 3.7. Both are backed by a comparable volume of ratings — 10 and 7 respectively. Written reviews point the same way: 64% of U8's written reviews are positive against 0% of USBKill's.

## The numbers

| Metric | U8 | USBKill |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (10 ratings)](https://appshunter.io/ios/app/u8-disk/id1554732742/reviews)** | [3.7 (7 ratings)](https://appshunter.io/ios/app/usbkill/id1610839074/reviews) |
| Number of ratings | **10** | 7 |
| Positive reviews | **64.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 26 MB | 21 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ErxiangHeyi Information](https://appshunter.io/developer/1735695526) | [INFO WISE LIMITED](https://appshunter.io/developer/1610839076) |

## What reviewers say

### U8

[App page](https://appshunter.io/ios/app/u8-disk/id1554732742)

Transfer and back up any file wirelessly between your mobile devices and computers without using mobile data. Experience ultra-fast speeds for seamless file management and sharing across different platforms.

**Highlights:** Zero-flow wireless file transfer, Ultra-fast transmission speeds (up to 30MB/s), File backup and management, Cross-platform compatibility, Supports various file formats

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LifeTime | $3.99 | one-time |


### USBKill

[App page](https://appshunter.io/ios/app/usbkill/id1610839074)

This app allows users to configure and control a USBKill V4 Professional Device. It enables users to prepare and launch pentest operations directly from their mobile devices, offering various trigger and delivery modes.

**Highlights:** Configure USBKill V4 Professional Device, Control device remotely, Prepare pentest operations, Launch pentest operations, Magnetic trigger mode, Classic trigger mode, Alarm trigger mode, Single pulse delivery mode

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is U8 free?

U8 is free to download, with in-app purchases available.

### Is USBKill free?

USBKill is free to download, with no in-app purchases.

### Which has better reviews, U8 or USBKill?

U8 is rated higher. U8 averages 4.1 out of 5 from 10 ratings, while USBKill averages 3.7 from 7 ratings.

### Do U8 or USBKill have ads?

U8 shows ads; USBKill does not.

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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.*