# USB Sharp vs U8

The clearest difference is rating: U8 at 4.0 against USB Sharp's 3.1. U8 also leads on review sentiment (64% vs 53%). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. USB Sharp sells 6 one-off in-app purchases and U8 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

U8 holds the better App Store score, 4.0 against 3.1. Both are backed by a comparable volume of ratings — 18 and 9 respectively. Written reviews point the same way: 53% of USB Sharp's written reviews are positive against 64% of U8's.

USB Sharp ships an update every 3 weeks, U8 every 6 weeks. The most recent releases landed on September 21, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | USB Sharp | U8 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (18 ratings)](https://appshunter.io/ios/app/usb-sharp/id427762463/reviews) | **[4.0 (9 ratings)](https://appshunter.io/ios/app/u8-disk/id1554732742/reviews)** |
| Number of ratings | **18** | 9 |
| Positive reviews | 53.2% of reviews | **64.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 55 MB | 26 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [锦文 游](https://appshunter.io/developer/406832160) | [ErxiangHeyi Information](https://appshunter.io/developer/1735695526) |

## What reviewers say

### USB Sharp

[App page](https://appshunter.io/ios/app/usb-sharp/id427762463)

Transform your iPhone or iPad into a portable wireless storage disk for efficient file management. Upload multiple files via Chrome and Firefox, extract encrypted RAR archives, and organize documents, photos, and videos with ease.

**Highlights:** Portable wireless storage, File management, Multiple file upload, Encrypted archive extraction, Document reader, Photo viewer, Video player

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $0.99 | one-time |
| Music Player | $0.99 | one-time |
| Dropbox | $0.99 | one-time |
| Video Player | $0.99 | one-time |
| SkyDrive | $0.99 | one-time |
| Full Version | $2.99 | one-time |


### 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 |


## Frequently asked questions

### Is USB Sharp free?

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

### Is U8 free?

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

### Which has better reviews, USB Sharp or U8?

U8 is rated higher. USB Sharp averages 3.1 out of 5 from 18 ratings, while U8 averages 4.0 from 9 ratings.

### Do USB Sharp or U8 have ads?

Both USB Sharp and U8 show ads.

### Which is updated more often, USB Sharp or U8?

USB Sharp ships an update every 3 weeks, and U8 every 6 weeks. Most recently, USB Sharp was updated on September 21, 2026 and U8 on September 17, 2026.

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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.*