U vs JD Drive
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.
JD Drive
Manage and transfer files between your Apple USB drive and iOS device. View media thumbnails, play photos in slideshows, and listen to music with artwork and playback controls. Supports various document formats for easy access and sharing.
- Media thumbnail display
- List/thumbnail view
- File sharing
- Copy/cut/delete/create/rename files
- Local/iStorage data transmission
- Photo slideshow
- Music playback with artwork
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“JD Drive” is an application software for Apple USB Drive. •The main interface displays Media thumbnails :video, photo, music • Supports list / thumbnail view, support sharing operation for photos, music and documents • Support copy/cut/delete/create/rename operation and support local/iStorage data transmission . • Support to play the photos by slideshow mode • Support music artwork shows, repeat mode setting, time line drag operation • Document: Support formats of .keynote、.numbers、.page、.xls/.xlsx, .doc/docx、pdf、txt、ppt/pptx
Screenshots
Verdict
U and JD Drive both sit at 2.3 stars, but that hides the real split: 29% of U's written reviews are positive against 10% of JD Drive's. JD Drive's advantage is ratings volume (106 vs 17) and iOS requirement (9.0 vs 12.1). On price, rating, update cadence and ads 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.
On the App Store both sit at effectively the same score — 2.3 for U against 2.3 for JD Drive. That said, the two scores are not equally well evidenced: JD Drive has 106 ratings behind it against 17, so its average is the more settled of the two. Written reviews are what separate them: 29% of U's written reviews are positive against 10% of JD Drive's.
U ships an update every 3 months, JD Drive every 4 months. The most recent releases landed on October 8, 2026 and October 13, 2026 respectively.
| Parameter | U | JD Drive |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (17 ratings) | 2.3 (106 ratings) — better |
| Positive reviews | 29.4% of reviews — better | 9.5% of reviews |
| Number of ratings | 17 | 106 — better |
| Update frequency | Every 3 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.1 | 9.0 — better |
| Further details — not scored | ||
| Size | 52 MB | 107 MB |
| Age rating | 4+ | 4+ |
| Developer | 岚 丁 | 晓明 徐 |
Customer experience
U
JD Drive
Bugs and requests
U
Not enough reviews yet to summarise bugs or requests.
JD Drive
Reported bugs
45 issues- No option to allow access to photos in app settings
- Device does not transfer anything
- Device flashes 'disk has been deleted'
- App constantly deleting files from the drive
- App does not open photos on the memory stick
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- App requests excessive permissions (contacts, music, etc.)
- App crashes frequently on iPhone, iPad, MacBook
- App doesn't always copy images correctly
- Most pictures are not visible after backup
- Cannot export photos from JD Drive to phone
- App deletes files from the drive for no reason
- Cannot upload files to the drive
- Only a fraction of content is transferred
- Transferred files are corrupted or not viewable
- Device is suspected to be malware
- Software is buggy and unstable
- Device doubles phone storage by creating duplicates
- Cannot download from phone to drive
- Drive stopped working after a few uses
- Cannot access Files app to copy content to drive
- App is not working after latest version download
- App does not work
- App closes while viewing transferred photos
- Some photos did not transfer without notification
- Transfer fails or shows 'Transfer list empty'
- App transfers only a percentage of pictures, others fail
- Phone starts glitching when troubleshooting
- App does not work with iOS 16
- App cannot be opened with iOS 16
- No software updates to keep up with iOS updates
- App is not working on iOS 16
- App deletes saved pictures from the iPad's native Photos app
- Cannot format as NTFS for Xbox or PS4
- Cannot upload photos without phone seizure
- Cannot view uploaded photos
- Phone damaged by device, cannot delete photos
- Laptop and computer glitching after plugging in device
- Connection is not stable, keeps dropping
- Difficult to reconnect to resume data transfer
- Cannot download games
- Videos stock and cannot be seen on iPhone
- Edited videos fail to paste to iPhone
- Long videos (approx. 1GB) do not work
- File freezes when clicked, cannot go back without unplugging
- App version history is in another language
Requested features
6 requests- Allow access to photos in app settings
- Support for transferring music from Mac
- Ability to open files with third-party apps
- Update software to keep up with iOS updates
- Provide English version history for updates
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- Fix video stocking issue when trying to go back
In-app purchases
U
No in-app purchases
JD Drive
No in-app purchases
