# USB Sharp vs Mobile memory HD

The clearest difference is review sentiment: USB Sharp at 63% against Mobile memory HD's 0%. USB Sharp also leads on rating (3.1 vs 1.5) and ratings volume (18 vs 2). Mobile memory HD's advantage is in-app purchases (none vs 6) and ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. USB Sharp sells 6 one-off in-app purchases. Mobile memory HD asks for nothing beyond the download.

USB Sharp holds the better App Store score, 3.1 against 1.5. That said, the two scores are not equally well evidenced: USB Sharp has 18 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 63% of USB Sharp's written reviews are positive against 0% of Mobile memory HD's.

USB Sharp ships an update every 3 weeks, Mobile memory HD monthly. The most recent releases landed on October 17, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | USB Sharp | Mobile memory HD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (18 ratings)](https://appshunter.io/ios/app/usb-sharp/id427762463/reviews)** | [1.5 (2 ratings)](https://appshunter.io/ios/app/mobile-memory-hd/id1118837285/reviews) |
| Number of ratings | **18** | 2 |
| Positive reviews | **62.9% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 55 MB | 74 MB |
| Requires iOS | 13.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [锦文 游](https://appshunter.io/developer/406832160) | [zhong qibiao](https://appshunter.io/developer/1118837284) |

## What reviewers say

### USB Sharp

[App page](https://appshunter.io/ios/app/usb-sharp/id427762463)

Transform your iPhone or iPad into a portable wireless storage disk for efficient file management. Upload multiple files via Chrome and Firefox, extract encrypted RAR archives, and organize documents, photos, and videos with ease.

**Highlights:** Portable wireless storage, File management, Multiple file upload, Encrypted archive extraction, Document reader, Photo viewer, Video player

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $0.99 | one-time |
| Music Player | $0.99 | one-time |
| Dropbox | $0.99 | one-time |
| Video Player | $0.99 | one-time |
| SkyDrive | $0.99 | one-time |
| Full Version | $2.99 | one-time |


### Mobile memory HD

[App page](https://appshunter.io/ios/app/mobile-memory-hd/id1118837285)

Manage all your files on iOS devices with ease. Backup contacts and camera roll, play media files, and preview images and documents. Supports a wide range of file formats for seamless transfer between devices and platforms.

**Highlights:** File management for iOS devices, Cross-platform file exchange, Backup contacts and camera roll, Play videos and music, Preview images and documents, Supports various file formats

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is USB Sharp free?

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

### Is Mobile memory HD free?

Mobile memory HD is free to download, with no in-app purchases.

### Which has better reviews, USB Sharp or Mobile memory HD?

USB Sharp is rated higher. USB Sharp averages 3.1 out of 5 from 18 ratings, while Mobile memory HD averages 1.5 from 2 ratings.

### Do USB Sharp or Mobile memory HD have ads?

USB Sharp shows ads; Mobile memory HD does not.

### Which is updated more often, USB Sharp or Mobile memory HD?

USB Sharp ships an update every 3 weeks, and Mobile memory HD monthly. Most recently, USB Sharp was updated on October 17, 2026 and Mobile memory HD on September 15, 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.*