# uDisk vs iExpand

The clearest difference is review sentiment: uDisk at 84% against iExpand's 21%. uDisk also leads on rating (4.3 vs 2.4) and ratings volume (247 vs 31). iExpand's advantage is in-app purchases (none vs 1) and iOS requirement (8.0 vs 11.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. uDisk sells 1 one-off in-app purchase. iExpand asks for nothing beyond the download.

uDisk holds the better App Store score, 4.3 against 2.4. That said, the two scores are not equally well evidenced: uDisk has 247 ratings behind it against 31, so its average is the more settled of the two. Written reviews point the same way: 84% of uDisk's written reviews are positive against 21% of iExpand's.

uDisk ships an update every 2 months, iExpand every 3 months. The most recent releases landed on October 19, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | uDisk | iExpand |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (247 ratings)](https://appshunter.io/ios/app/udisk/id532963658/reviews)** | [2.4 (31 ratings)](https://appshunter.io/ios/app/iexpand/id980186958/reviews) |
| Number of ratings | **247** | 31 |
| Positive reviews | **83.8% of reviews** | 21.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 23 MB |
| Requires iOS | 11.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Brown Bear Technology Co., LTD](https://appshunter.io/developer/480204138) | [Shenzhen Reflying Electronic Co., Ltd](https://appshunter.io/developer/828249829) |

## What reviewers say

### uDisk

[App page](https://appshunter.io/ios/app/udisk/id532963658)

Transform your iOS device into a portable USB drive. Easily transfer files between your device and computer via Wi-Fi or iTunes. Browse, play, and edit various file types directly on your phone or tablet.

**Highlights:** Use iOS device as USB disk, Wi-Fi file transfer, iTunes File Sharing, Browse various file types, Play music and video, Edit text files, Create directories and sort files

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $3.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Fast transfer
- 👍 Good for organizing files
- 👍 Useful for freeing up phone space
- 👍 Versatile and durable

**What reviewers complain about**

- 🐛 Does not work for some users
- 🐛 App requires download to each device
- 🐛 Cannot rotate screen
- 🐛 Does not work as a standalone flash drive
- 🐛 Limited file transfer capability

**Reported bugs**

- Cannot save files manually
- Material does not always show
- Does not work after initial use
- Cannot rotate screen
- Does not transfer videos from phone

**Requested features**

- App should be pre-loaded on the thumbdrive
- More clarity on app functionality and safety


### iExpand

[App page](https://appshunter.io/ios/app/iexpand/id980186958)

This utility allows users to read data from microSD cards using a Lightning connector. It offers traditional data reading capabilities along with features for backing up contacts and copying pictures.

**Highlights:** microSD card reader, Lightning connector compatible, External device operation, Traditional data reading, Contact backup, Picture copying

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Useful for transferring photos
- 👍 Can transfer music collection
- 👍 Good for managing photos on iPad
- 👍 Can store PDFs and other records
- 👍 Works well for some users

**What reviewers complain about**

- ❌ Does not work at all
- ❌ Useless app
- ❌ Worthless
- ❌ Waste of money and time
- ❌ Garbage

**Reported bugs**

- App crashes
- Errors during file transfer
- Cannot save or move files to external drive
- App not showing in device settings
- Drive not recognized after app update

**Requested features**

- Add ability to send files to iExpand from other apps
- Improve file transfer reliability for large amounts of photos/videos
- Fix issue with other file types not being savable to U盘
- Add ability to play music outside of the app
- Fix video playback issues on newer iOS versions


## Frequently asked questions

### Is uDisk free?

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

### Is iExpand free?

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

### Which has better reviews, uDisk or iExpand?

uDisk is rated higher. uDisk averages 4.3 out of 5 from 247 ratings, while iExpand averages 2.4 from 31 ratings.

### Do uDisk or iExpand have ads?

Neither uDisk nor iExpand shows ads.

### Which is updated more often, uDisk or iExpand?

uDisk ships an update every 2 months, and iExpand every 3 months. Most recently, uDisk was updated on October 19, 2026 and iExpand on October 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.*