# U vs I

The clearest difference is rating: I at 5.0 against U's 3.3. I also leads on review sentiment (50% vs 24%) and update cadence (every 9 days vs every 5 weeks). U's advantage is ratings volume (19 vs 5). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

I holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 19 and 5 respectively. Written reviews point the same way: 24% of U's written reviews are positive against 50% of I's.

U ships an update every 5 weeks, I every 9 days. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | U | I |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (19 ratings)](https://appshunter.io/ios/app/u-drive/id934692938/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/i-usbkey-pro/id1258469579/reviews)** |
| Number of ratings | **19** | 5 |
| Positive reviews | 23.8% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 9 days** |
| Monetization | Free | Free |
| Size | 46 MB | 40 MB |
| Requires iOS | 9.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mei-Hui Wang](https://appshunter.io/developer/934692937) | [zhong qibiao](https://appshunter.io/developer/1118837284) |

## What reviewers say

### U

[App page](https://appshunter.io/ios/app/u-drive/id934692938)

Organize and manage files from your iPhone or iPad on external accessories. Features include a photo viewer with backup options, a music player with playlist generation, and robust file management tools like copy, move, and rename.

**Highlights:** Organize files on external accessories, Photo viewer with backup export, Music player with folder-based playlists, Copy, move, delete, and rename files, File transfer with Dropbox, Open files in other applications

**Features:** macOS Compatibility

**In-app purchases:** none


### I

[App page](https://appshunter.io/ios/app/i-usbkey-pro/id1258469579)

Manage all your files on iOS devices with ease. This app allows you to exchange files between different devices and platforms, back up contacts and camera roll, and play media directly from your device. It supports a wide range of document, image, audio, and video file formats.

**Highlights:** File management for iOS devices, Cross-device file exchange, Contact and camera roll backup, Video and music playback, Image and document preview, Support for various file formats

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is U free?

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

### Is I free?

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

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

I is rated higher. U averages 3.3 out of 5 from 19 ratings, while I averages 5.0 from 5 ratings.

### Do U or I have ads?

Neither U nor I shows ads.

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

U ships an update every 5 weeks, and I every 9 days. Most recently, U was updated on October 24, 2026 and I on October 22, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*