# iUSB Pro vs iDiskk Max

The clearest difference is rating: iUSB Pro at 2.6 against iDiskk Max's 2.1. iUSB Pro also leads on ratings volume (1.1K vs 82). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

iUSB Pro holds the better App Store score, 2.6 against 2.1. That said, the two scores are not equally well evidenced: iUSB Pro has 1.1K ratings behind it against 82, so its average is the more settled of the two. Written reviews point the same way: 14% of iUSB Pro's written reviews are positive against 8% of iDiskk Max's.

iUSB Pro ships an update every 3 months, iDiskk Max every 6 weeks. The most recent releases landed on September 24, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | iUSB Pro | iDiskk Max |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (1.1K ratings)](https://appshunter.io/ios/app/iusb-pro/id1069615726/reviews)** | [2.1 (82 ratings)](https://appshunter.io/ios/app/idiskk-max/id1486309470/reviews) |
| Number of ratings | **1.1K** | 82 |
| Positive reviews | **14.0% of reviews** | 8.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 21 MB | 117 MB |
| Requires iOS | 9.0 | 9.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Feitianxia Technology Co, Ltd.](https://appshunter.io/developer/536103551) | [平 陈](https://appshunter.io/developer/1225081036) |

## What reviewers say

### iUSB Pro

[App page](https://appshunter.io/ios/app/iusb-pro/id1069615726)

Expand your Apple 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 directly to external storage, Transfer files between devices, Play media from external storage, Expand device storage

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and useful
- 👍 Great app and connector
- 🚀 Smooth file transfer

**What reviewers complain about**

- 🐛 Crashes frequently
- 🐛 Doesn't recognize device
- 🐛 Glitchy and unreliable
- 🐛 Compatibility issues with newer iPhones
- 🐛 Crashes when saving to camera roll

**Reported bugs**

- Doesn't work on iOS 11 or iPhone 8/X
- Folders show as empty even when files are present
- Can't transfer large videos or lots of small files
- Corrupts SD card and makes it unusable

**Requested features**

- Add support for Files app on iOS 11
- Improve music playback features
- Add option to open multiple files at once
- Provide better file management tools


### iDiskk Max

[App page](https://appshunter.io/ios/app/idiskk-max/id1486309470)

Manage and access your media and documents stored on an Apple USB Drive. View photos, videos, and music with thumbnail previews and slideshow options. Transfer files, create folders, and edit documents with support for various popular formats.

**Highlights:** Media thumbnail display, List/thumbnail view, File sharing, Copy, cut, delete, create, rename, Local/iStorage data transmission, Slideshow mode for photos, Music playback with artwork

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iUSB Pro free?

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

### Is iDiskk Max free?

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

### Which has better reviews, iUSB Pro or iDiskk Max?

iUSB Pro is rated higher. iUSB Pro averages 2.6 out of 5 from 1.1K ratings, while iDiskk Max averages 2.1 from 82 ratings.

### Do iUSB Pro or iDiskk Max have ads?

Neither iUSB Pro nor iDiskk Max shows ads.

### Which is updated more often, iUSB Pro or iDiskk Max?

iUSB Pro ships an update every 3 months, and iDiskk Max every 6 weeks. Most recently, iUSB Pro was updated on September 24, 2026 and iDiskk Max 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.*