# U vs Y Disk Pro

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.

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.

## The numbers

| Metric | U | Y Disk Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (17 ratings)](https://appshunter.io/ios/app/u-disk/id1119397038/reviews)** | [1.5 (50 ratings)](https://appshunter.io/ios/app/y-disk-pro/id1181446319/reviews) |
| Number of ratings | 17 | **50** |
| Positive reviews | **29.4% of reviews** | 3.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 52 MB | 95 MB |
| Requires iOS | 12.1 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [岚 丁](https://appshunter.io/developer/1465584117) | [军 尹](https://appshunter.io/developer/1681949557) |

## What reviewers say

### U

[App page](https://appshunter.io/ios/app/u-disk/id1119397038)

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.

**Highlights:** 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

**In-app purchases:** none


### Y Disk Pro

[App page](https://appshunter.io/ios/app/y-disk-pro/id1181446319)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is U free?

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

### Is Y Disk Pro free?

Y Disk Pro is free to download, with no in-app purchases.

### Which has better reviews, U or Y Disk Pro?

U is rated higher. U averages 2.3 out of 5 from 17 ratings, while Y Disk Pro averages 1.5 from 50 ratings.

### Do U or Y Disk Pro have ads?

Neither U nor Y Disk Pro shows ads.

### Which is updated more often, U or Y Disk Pro?

U ships an update every 3 months, and Y Disk Pro every 2 months. Most recently, U was updated on September 10, 2026 and Y Disk Pro on September 20, 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.*