U vs I
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
U
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.
- 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
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U-Drive is one of the most capable application on your iOS device. It allows you to organize files from iPhone to external accessory. Features - Photo Viewer Tile view select to export photos for backup Short-key to instantly save photos into Camera Roll - Music Player Supports common format, such as AAC/AIF/MP4/M4A/MP3 Generates playlist of songs in the same folder - File Management Intuitive UI to manage files on iPhone/iPad Actions including Copy/Move/Delete/Rename File transfer between iOS devices and Dropbox Open-in allows user to open certain file type in another App
I
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.
- 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
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The I-USBKey Pro is the best way to manage all your files on iOS devices,Exchanges files with different devices & platforms with ease. 1.Backup Contacts and Camera Roll. 2.Play Videos,Musics. 3.Preview Images,World. Supported File Formats: Document:DOC,XLS,PPT,TXT,else; Image:JPG,JPEG,BMP,GIF,else; Audio:MP3,AAC,AIF,else; Video:MP4,MOV,MKV,AVI,FLV,RMVB,ELSE;
Screenshots
Verdict
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.
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.
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.
| Parameter | U | I |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (19 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 23.8% of reviews | 50.0% of reviews — better |
| Number of ratings | 19 — better | 5 |
| Update frequency | Every 5 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 46 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Mei-Hui Wang | zhong qibiao |
Customer experience
U
I
In-app purchases
U
No in-app purchases
I
No in-app purchases
