U vs Y Disk Pro
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.
Y Disk Pro
Manage and transfer files between your iOS device and Windows/Mac computers wirelessly and without internet. This app works with specialized hardware to expand your iPhone or iPad storage and allows direct playback of media files.
- File transfer between iOS and PC/Mac
- Expand iOS device storage
- Direct media playback from storage
- File management (copy, delete, share)
- Password and Touch ID file locking
- Share files to social media/other apps
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Description: The Y Disk Pro App is a strong file manager on iOS device. Storage, manage and exchange files between iOS and Windows/Mac - without Internet connection and cables. The App works with hardware together, it’s like the USB flash drive with standard USB & iOS lightning duo connectors. When the hardware connects to PC/Mac, it will be a standard USB flash drive. And when connect it to iPhone/iPad, the hardware will expand the storage space for iOS device. Features: • Play video/audio on the flash drive directly on iOS device. • Browse local files on flash drive and Y Disk Pro App App. • File management operation such as copy, delete, share etc. • Lock files and App with password and touch ID. • Share files to social media or other App on iOS device Compatibility: • iOS device with lightning connector and iOS 8 system and later version • Windows XP, Windows7, Windows8, Windows10 on PC • Mac OS 10.5 and later version
Screenshots
Verdict
The clearest difference is rating: U at 2.3 against Y Disk Pro's 1.5. U also leads on review sentiment (29% vs 4%). Y Disk Pro's advantage is iOS requirement (9.0 vs 12.1). On price, ratings volume, 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.
U holds the better App Store score, 2.3 against 1.5. Both are backed by a comparable volume of ratings — 17 and 50 respectively. Written reviews point the same way: 29% of U's written reviews are positive against 4% of Y Disk Pro's.
U ships an update every 3 months, Y Disk Pro every 2 months. The most recent releases landed on September 10, 2026 and September 20, 2026 respectively.
| Parameter | U | Y Disk Pro |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (17 ratings) — better | 1.5 (50 ratings) |
| Positive reviews | 29.4% of reviews — better | 3.5% of reviews |
| Number of ratings | 17 | 50 — better |
| Update frequency | Every 3 months | Every 2 months — better |
| 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 | 95 MB |
| Age rating | 4+ | 4+ |
| Developer | 岚 丁 | 军 尹 |
Customer experience
U
Y Disk Pro
In-app purchases
U
No in-app purchases
Y Disk Pro
No in-app purchases
