# U8 vs iUSB

The clearest difference is rating: U8 at 4.0 against iUSB's 2.8. U8 also leads on review sentiment (64% vs 25%). iUSB'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. iUSB asks for nothing beyond the download.

U8 holds the better App Store score, 4.0 against 2.8. Both are backed by a comparable volume of ratings — 9 and 24 respectively. Written reviews point the same way: 64% of U8's written reviews are positive against 25% of iUSB's.

U8 ships an update every 6 weeks, iUSB every 10 days. The most recent releases landed on September 17, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | U8 | iUSB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (9 ratings)](https://appshunter.io/ios/app/u8-disk/id1554732742/reviews)** | [2.8 (24 ratings)](https://appshunter.io/ios/app/iusb/id1639842995/reviews) |
| Number of ratings | 9 | **24** |
| Positive reviews | **64.3% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 26 MB | 53 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ErxiangHeyi Information](https://appshunter.io/developer/1735695526) | [伟才 韦](https://appshunter.io/developer/1638023194) |

## 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 |


### iUSB

[App page](https://appshunter.io/ios/app/iusb/id1639842995)

Easily back up photos and videos from your device to an external MFi storage device with a single touch. Select specific media for backup or capture new content directly to the external storage. View your saved files directly within the app.

**Highlights:** One-touch photo and video backup, Selective media backup, Direct camera capture to external storage, View saved files on external device, Works with CF3 MFi device

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

**In-app purchases:** none


## Frequently asked questions

### Is U8 free?

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

### Is iUSB free?

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

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

U8 is rated higher. U8 averages 4.0 out of 5 from 9 ratings, while iUSB averages 2.8 from 24 ratings.

### Do U8 or iUSB have ads?

U8 shows ads; iUSB does not.

### Which is updated more often, U8 or iUSB?

U8 ships an update every 6 weeks, and iUSB every 10 days. Most recently, U8 was updated on September 17, 2026 and iUSB on September 22, 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.*