# Mo Disk vs U8

The clearest difference is rating: U8 at 4.0 against Mo Disk's 3.0. U8 also leads on update cadence (every 6 weeks vs every 6 months) and review sentiment (64% vs 46%). Mo Disk's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and device support there is nothing between them.

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

U8 holds the better App Store score, 4.0 against 3.0. That said, the two scores are not equally well evidenced: Mo Disk has 61 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 46% of Mo Disk's written reviews are positive against 64% of U8's.

Mo Disk ships an update every 6 months, U8 every 6 weeks. The most recent releases landed on September 30, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Mo Disk | U8 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (61 ratings)](https://appshunter.io/ios/app/mo-disk/id1454488024/reviews) | **[4.0 (9 ratings)](https://appshunter.io/ios/app/u8-disk/id1554732742/reviews)** |
| Number of ratings | **61** | 9 |
| Positive reviews | 46.2% of reviews | **64.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 6 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 110 MB | 26 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [建华 黄](https://appshunter.io/developer/1693348384) | [ErxiangHeyi Information](https://appshunter.io/developer/1735695526) |

## What reviewers say

### Mo Disk

[App page](https://appshunter.io/ios/app/mo-disk/id1454488024)

Expand your device's storage by backing up photos, videos, and contacts to an external device. Capture media directly to external storage and transfer files between devices, including non-Apple ones. Enjoy media stored on your external drive.

**Highlights:** Backup photos and videos, Backup contacts, Save media to external device, Transfer files between devices, Play external media, Expand device storage

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Mo Disk free?

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

### Is U8 free?

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

### Which has better reviews, Mo Disk or U8?

U8 is rated higher. Mo Disk averages 3.0 out of 5 from 61 ratings, while U8 averages 4.0 from 9 ratings.

### Do Mo Disk or U8 have ads?

U8 shows ads; Mo Disk does not.

### Which is updated more often, Mo Disk or U8?

Mo Disk ships an update every 6 months, and U8 every 6 weeks. Most recently, Mo Disk was updated on September 30, 2026 and U8 on October 5, 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.*