# uDisk vs UBackup

The clearest difference is review sentiment: uDisk at 84% against UBackup's 10%. uDisk also leads on rating (4.3 vs 2.0) and iOS requirement (11.0 vs 15.0). UBackup's advantage is in-app purchases (none vs 1). On price, ratings volume, update cadence and ads there is nothing between them.

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

uDisk holds the better App Store score, 4.3 against 2.0. Both are backed by a comparable volume of ratings — 233 and 82 respectively. Written reviews point the same way: 84% of uDisk's written reviews are positive against 10% of UBackup's.

uDisk ships an update every 2 months, UBackup every 4 weeks. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | uDisk | UBackup |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (233 ratings)](https://appshunter.io/ios/app/udisk/id532963658/reviews)** | [2.0 (82 ratings)](https://appshunter.io/ios/app/ubackup/id6462404279/reviews) |
| Number of ratings | **233** | 82 |
| Positive reviews | **83.7% of reviews** | 9.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 105 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Brown Bear Technology Co., LTD](https://appshunter.io/developer/480204138) | [Shenzhen Dianzhui Culture Technology Co., Ltd.](https://appshunter.io/developer/1529082388) |

## 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


### UBackup

[App page](https://appshunter.io/ios/app/ubackup/id6462404279)

Securely back up your photo albums and contacts without worrying about storage limits or cloud privacy. This app uses an Apple USB drive for reliable data protection, preventing data loss.

**Highlights:** Backup photo albums, Backup contacts, No iCloud storage limits, Enhanced privacy and security, Uses Apple USB drive, Prevent data loss

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use (initially)
- 👍 Works with Android/laptops
- 👍 Good for moving media between devices (sometimes)

**What reviewers complain about**

- 😞 Does not work with iOS devices
- 😞 Data loss/corruption
- 😞 Videos/photos not playable
- 😞 Drive not recognized
- 😞 App eats data

**Reported bugs**

- App does not save videos that play
- Cannot clear cache
- App continues to fill up
- Drive not recognized on any device
- Lost photos/cannot retrieve

**Requested features**

- Ability to rename files in-app
- Ability to back up to specific folders
- Improved media player/playlist functionality
- Fix for live photo backup


## Frequently asked questions

### Is uDisk free?

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

### Is UBackup free?

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

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

uDisk is rated higher. uDisk averages 4.3 out of 5 from 233 ratings, while UBackup averages 2.0 from 82 ratings.

### Do uDisk or UBackup have ads?

Neither uDisk nor UBackup shows ads.

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

uDisk ships an update every 2 months, and UBackup every 4 weeks. Most recently, uDisk was updated on October 9, 2026 and UBackup on October 12, 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.*