# U vs ROSPE

The clearest difference is monetization model: U at free against ROSPE's paid. ROSPE's advantage is ratings volume (69 vs 17). On price, rating, review sentiment and update cadence there is nothing between them.

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 2.2 for ROSPE. Both are backed by a comparable volume of ratings — 17 and 69 respectively. Written reviews are what separate them: 29% of U's written reviews are positive against 22% of ROSPE's.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 10, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | U | ROSPE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (17 ratings)](https://appshunter.io/ios/app/u-disk/id1119397038/reviews)** | [2.2 (69 ratings)](https://appshunter.io/ios/app/rospe/id6478572514/reviews) |
| Number of ratings | 17 | **69** |
| Positive reviews | **29.4% of reviews** | 22.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | **Free** | Paid |
| Size | 52 MB | 29 MB |
| Requires iOS | 12.1 | 12.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [岚 丁](https://appshunter.io/developer/1465584117) | [斗云 李](https://appshunter.io/developer/1697792854) |

## 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


### ROSPE

[App page](https://appshunter.io/ios/app/rospe/id6478572514)

Expand your iOS device's storage with this portable flash drive. Seamlessly transfer and manage files between your iPhone/iPad and Mac/PC without needing Wi-Fi or a network signal. Play media directly from the drive to save internal space.

**Highlights:** Memory expansion for iOS devices, Two-way storage with Mac/PC, No Wi-Fi or network required, Seamless file transfer, Direct media playback, Ultra-slim and fast

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is U free?

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

### Is ROSPE free?

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

### Which has better reviews, U or ROSPE?

U is rated higher. U averages 2.3 out of 5 from 17 ratings, while ROSPE averages 2.2 from 69 ratings.

### Do U or ROSPE have ads?

Neither U nor ROSPE shows ads.

### Which is updated more often, U or ROSPE?

U ships an update every 3 months, and ROSPE every 3 months. Most recently, U was updated on September 10, 2026 and ROSPE 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.*