U vs UBackup
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
U
Expand your iOS device's storage with this portable flash drive. Seamlessly transfer, view, and manage files between your iPhone/iPad and Mac/PC without needing Wi-Fi or a network signal. Features include file encryption and contact backup.
- Memory expansion for iOS devices
- Two-way storage transfer (iOS to Mac/PC)
- No Wi-Fi or network signal required
- Transfer, view, and share files
- File encryption
- Contacts backup and restore
- Video streaming via Airplay
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The U-Disk is the ultimate solution for memory expansion on iOS device. It's provides two-way storage between iOS and MAC/PC without Wi-Fi, network signal or battery power. Compatible with virtually all devices featuring a Lightning connector, this ultra-slim and fast flash drive enables users to seamlessly transfer, view and share documents, images, video and audio files between a multitude of gadgets. Organize, edit and manage files across multiple platforms, including iPad, iPhone and more. Play music and videos directly from the freeing up space on your devices. Other features include file encryption, contacts backup-restore, and video streaming via Airplay, Whether traveling by airplane for a business trip, stuck in a remote location without reception, or wanting to share photos and videos of a recent vacation, U-Disk fits perfectly into any lifestyle.
UBackup
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.
- Backup photo albums
- Backup contacts
- No iCloud storage limits
- Enhanced privacy and security
- Uses Apple USB drive
- Prevent data loss
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UBackup is a powerful application that can help you back up your precious photo albums and contacts at any time. Compared with the space limit of iCloud, UBackup does not require you to worry about insufficient storage space. At the same time, you do not need to worry about privacy and security issues after uploading to the cloud. You only need an Apple USB drive to get rid of the worry of data loss.
Screenshots
Verdict
The clearest difference is review sentiment: U at 29% against UBackup's 10%. U also leads on rating (2.3 vs 2.0) and iOS requirement (12.1 vs 15.0). UBackup's advantage is update cadence (every 4 weeks vs every 3 months). On price, ratings volume, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
U holds the better App Store score, 2.3 against 2.0. Both are backed by a comparable volume of ratings — 49 and 85 respectively. Written reviews point the same way: 29% of U's written reviews are positive against 10% of UBackup's.
U ships an update every 3 months, UBackup every 4 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.
| Parameter | U | UBackup |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (49 ratings) — better | 2.0 (85 ratings) |
| Positive reviews | 29.4% of reviews — better | 9.7% of reviews |
| Number of ratings | 49 | 85 — better |
| Update frequency | Every 3 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.1 — better | 15.0 |
| Further details — not scored | ||
| Size | 52 MB | 105 MB |
| Age rating | 4+ | 4+ |
| Developer | 岚 丁 | Shenzhen Dianzhui Culture Technology Co., Ltd. |
Customer experience
U
UBackup
Bugs and requests
U
Not enough reviews yet to summarise bugs or requests.
UBackup
Reported bugs
40 issues- 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
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- Latest update caused malfunction
- Drive not recognized on iPhone
- Zero space/won't load
- Cannot save or open files on another device
- Never worked
- Allows backup of only one at a time
- Not recognizing USB stick
- Cannot get it to work
- Files not visible on USB
- Videos uploaded do not play from USB
- App gives scam/hacker vibes
- Deleted everything from phone without permission
- Cannot connect to seller/support
- Flash drive suddenly stopped working
- Pop-up error in Chinese
- Cannot access files
- Cannot backup Apple Live Photos
- Only saves JPEGs, not file types
- Scam text received after allowing app access
- Misleading product description
- Cannot get video from PS4 to iPhone
- Only saved a fraction of photos
- Keeps telling user to insert USB drive
- Does not work reliably
- Backs up only one-third of data
- Files corrupted when transferring to Mac/PC
- Struggling to delete old images
- Cannot delete images efficiently
- Cannot make playlists for music
- Cannot be used repeatedly
- Won't load partitioned large video files
- Backup deletes photos from iCloud
- Shows used space with no photos
- USB disc not connected error
- Support link goes nowhere
Requested features
4 requests- Ability to rename files in-app
- Ability to back up to specific folders
- Improved media player/playlist functionality
- Fix for live photo backup
In-app purchases
U
No in-app purchases
UBackup
No in-app purchases
