# USB Disk vs RUAC

The clearest difference is price: RUAC at Free against USB Disk's $0.99. RUAC also leads on in-app purchases (none vs 10) and ads (none vs shown). USB Disk's advantage is device support (4 vs 2) and iOS requirement (12.0 vs 15.0). On update cadence there is nothing between them.

RUAC is free to download; USB Disk costs $0.99 up front. USB Disk sells 10 in-app purchases, starting at $4.99 per month. RUAC asks for nothing beyond the download.

USB Disk ships an update every 3 months, RUAC every 2 months. The most recent releases landed on October 1, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | USB Disk | RUAC |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.6 (160 ratings)](https://appshunter.io/ios/app/usb-disk/id385275533/reviews)** | — |
| Number of ratings | **160** | — |
| Positive reviews | 70.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 170 MB | 38 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Imesart S.a.r.l.](https://appshunter.io/developer/290160983) | [Different Development Ltd.](https://appshunter.io/developer/952279085) |

## What reviewers say

### USB Disk

[App page](https://appshunter.io/ios/app/usb-disk/id385275533)

Manage and view documents on your iPhone or iPad with this intuitive file manager. Access cloud storage, open various file types, and transfer files via iTunes. Advanced features like photo library access and PDF annotation are available via subscription.

**Highlights:** Cloud storage integration (Dropbox, Google Drive, OneDrive, Box), Built-in document viewer for various file types, File transfer via iTunes, Create and open zip files, Swipe navigation and file previews, Email documents and download attachments

**Features:** macOS Compatibility, Family Sharing, Apple Watch app

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| USB Disk Pro Monthly | $4.99 | per month |
| Audio Player + | $0.99 | one-time |
| Zip files support | $0.99 | one-time |
| Dropbox access | $0.99 | one-time |
| Lock code | $0.99 | one-time |
| Text editor | $0.99 | one-time |
| Evernote access | $0.99 | one-time |
| Google Drive access | $0.99 | one-time |
| OneDrive access | $0.99 | one-time |
| WebDAV access | $1.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Efficient file management
- 💡 Useful for storing and accessing documents
- 👍 Convenient for transferring files between devices

**What reviewers complain about**

- 🐛 Crashes and stability issues
- 💰 Expensive paid features
- 🔒 Concerns about security and privacy
- 🤔 Misleading app description

**Reported bugs**

- Inability to open certain file types
- Compatibility issues with newer iOS versions
- Syncing problems between devices

**Requested features**

- Support for more file types
- Improved integration with cloud storage services
- Ability to edit and annotate files
- Better organization and folder management


### RUAC

[App page](https://appshunter.io/ios/app/ruac/id1235616345)

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

**In-app purchases:** none


## Frequently asked questions

### Is USB Disk free?

USB Disk costs $0.99, and also offers in-app purchases.

### Is RUAC free?

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

### Do USB Disk or RUAC have ads?

USB Disk shows ads; RUAC does not.

### Which is updated more often, USB Disk or RUAC?

USB Disk ships an update every 3 months, and RUAC every 2 months. Most recently, USB Disk was updated on October 1, 2026 and RUAC on September 19, 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.*