# USB Stick with Viewers vs USB Mobile Disk

The clearest difference is in-app purchases: USB Mobile Disk at none against USB Stick with Viewers's 9. USB Mobile Disk also leads on review sentiment (63% vs 33%) and price ($0.99 vs $1.99). USB Stick with Viewers's advantage is ads (none vs shown) and update cadence (every 6 weeks vs every 3 months). On device support there is nothing between them.

USB Stick with Viewers costs $1.99 and USB Mobile Disk $0.99 up front. USB Stick with Viewers sells 9 one-off in-app purchases. USB Mobile Disk asks for nothing beyond the download.

USB Stick with Viewers ships an update every 6 weeks, USB Mobile Disk every 3 months. The most recent releases landed on August 22, 2026 and August 1, 2026 respectively.

## The numbers

| Metric | USB Stick with Viewers | USB Mobile Disk |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Rating | — | **[4.3 (10 ratings)](https://appshunter.io/ios/app/usb-mobile-disk/id505848112/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | 33.3% of reviews | **62.5% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 33 MB | 28 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Corporate Smalltalk Consulting Ltd](https://appshunter.io/developer/312622074) | [Raphael Odermatt](https://appshunter.io/developer/403027529) |

## What reviewers say

### USB Stick with Viewers

[App page](https://appshunter.io/ios/app/usb-stick-with-viewers/id404616588)

Transform your iOS device into a portable storage solution. Easily transfer files to and from your computer via iTunes, and access your Dropbox files offline. Annotate documents, sign faxes, and organize your files with optional local storage folders.

**Highlights:** File transfer via iTunes, Dropbox file caching and offline viewing, Document annotation and signing, Local folder organization, Support for various document types, PDF and FAX pre-rendering, Print, email, and PDF creation

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No iAds | $0.99 | one-time |
| Folders | $0.99 | one-time |
| Accelerated PDF viewing | $1.99 | one-time |
| Extra Image Types | $2.99 | one-time |
| Large Format Pages | $3.99 | one-time |
| Enable Signature and Annotation | $3.99 | one-time |
| Enable Cloud Server | $4.99 | one-time |
| Read Fax files | $5.99 | one-time |
| Everything | $9.99 | one-time |


### USB Mobile Disk

[App page](https://appshunter.io/ios/app/usb-mobile-disk/id505848112)

This app turns your iPhone or iPad into a portable storage device, allowing you to carry documents, music, and videos. It features a built-in file manager, music player, PDF reader, and supports various file transfer methods.

**Highlights:** Portable storage for iPhone/iPad, Advanced file manager, Background music player, PDF reader, Gallery import/export, FTP and HTTP file access, ZIP file creation/extraction

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

**In-app purchases:** none


## Frequently asked questions

### Is USB Stick with Viewers free?

USB Stick with Viewers costs $1.99, and also offers in-app purchases.

### Is USB Mobile Disk free?

USB Mobile Disk costs $0.99, with no in-app purchases.

### Do USB Stick with Viewers or USB Mobile Disk have ads?

USB Mobile Disk shows ads; USB Stick with Viewers does not.

### Which is updated more often, USB Stick with Viewers or USB Mobile Disk?

USB Stick with Viewers ships an update every 6 weeks, and USB Mobile Disk every 3 months. Most recently, USB Stick with Viewers was updated on August 22, 2026 and USB Mobile Disk on August 1, 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.*