# iDUO Drive vs U8

The clearest difference is review sentiment: U8 at 64% against iDUO Drive's 7%. U8 also leads on rating (4.1 vs 2.3). iDUO Drive's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, update cadence and device support there is nothing between them.

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

U8 holds the better App Store score, 4.1 against 2.3. Both are backed by a comparable volume of ratings — 30 and 10 respectively. Written reviews point the same way: 7% of iDUO Drive's written reviews are positive against 64% of U8's.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | iDUO Drive | U8 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (30 ratings)](https://appshunter.io/ios/app/iduo-drive/id1144071891/reviews) | **[4.1 (10 ratings)](https://appshunter.io/ios/app/u8-disk/id1554732742/reviews)** |
| Number of ratings | **30** | 10 |
| Positive reviews | 6.7% of reviews | **64.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 39 MB | 26 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Super Storage Technology Corp.](https://appshunter.io/developer/718838056) | [ErxiangHeyi Information](https://appshunter.io/developer/1735695526) |

## What reviewers say

### iDUO Drive

[App page](https://appshunter.io/ios/app/iduo-drive/id1144071891)

Easily manage all your files on iDevices and transfer them between devices and platforms. Back up contacts and photos, and access cloud storage like iCloud, Dropbox, and Google Drive.

**Highlights:** Manage files on iDUO Lightning drives, Backup contacts and camera roll, Connect with iCloud, Dropbox, Google Drive, Browse and manage cloud files, Password protect Lightning drives

**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 iDUO Drive free?

iDUO Drive 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, iDUO Drive or U8?

U8 is rated higher. iDUO Drive averages 2.3 out of 5 from 30 ratings, while U8 averages 4.1 from 10 ratings.

### Do iDUO Drive or U8 have ads?

U8 shows ads; iDUO Drive does not.

### Which is updated more often, iDUO Drive or U8?

iDUO Drive ships an update every 6 weeks, and U8 every 6 weeks. Most recently, iDUO Drive was updated on October 6, 2026 and U8 on October 10, 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.*