# uDisk vs i

The clearest difference is review sentiment: uDisk at 84% against i's 10%. uDisk also leads on rating (4.3 vs 2.1). i's advantage is in-app purchases (none vs 1) and iOS requirement (8.0 vs 11.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. uDisk sells 1 one-off in-app purchase. i asks for nothing beyond the download.

uDisk holds the better App Store score, 4.3 against 2.1. Both are backed by a comparable volume of ratings — 233 and 419 respectively. Written reviews point the same way: 84% of uDisk's written reviews are positive against 10% of i's.

uDisk ships an update every 2 months, i monthly. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | uDisk | i |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (233 ratings)](https://appshunter.io/ios/app/udisk/id532963658/reviews)** | [2.1 (419 ratings)](https://appshunter.io/ios/app/i-flashdevice-hd/id1098089751/reviews) |
| Number of ratings | 233 | **419** |
| Positive reviews | **83.7% of reviews** | 9.8% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 74 MB |
| Requires iOS | 11.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Brown Bear Technology Co., LTD](https://appshunter.io/developer/480204138) | [ShenZhen 0101 technology Co.,Ltd](https://appshunter.io/developer/994444596) |

## What reviewers say

### uDisk

[App page](https://appshunter.io/ios/app/udisk/id532963658)

Transform your iOS device into a portable USB drive. Easily transfer files between your device and computer via Wi-Fi or iTunes. Browse, play, and edit various file types directly on your phone or tablet.

**Highlights:** Use iOS device as USB disk, Wi-Fi file transfer, iTunes File Sharing, Browse various file types, Play music and video, Edit text files, Create directories and sort files

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $3.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Fast transfer
- 👍 Good for organizing files
- 👍 Useful for freeing up phone space
- 👍 Versatile and durable

**What reviewers complain about**

- 🐛 Does not work for some users
- 🐛 App requires download to each device
- 🐛 Cannot rotate screen
- 🐛 Does not work as a standalone flash drive
- 🐛 Limited file transfer capability

**Reported bugs**

- Cannot save files manually
- Material does not always show
- Does not work after initial use
- Cannot rotate screen
- Does not transfer videos from phone

**Requested features**

- App should be pre-loaded on the thumbdrive
- More clarity on app functionality and safety


### i

[App page](https://appshunter.io/ios/app/i-flashdevice-hd/id1098089751)

Easily manage files on a USB drive connected via a wired connection. Back up and restore photos and contacts directly to and from the USB drive without needing a network connection.

**Highlights:** Connect to USB drive, File management, Photo album backup, Photo album restore, Contact backup, Contact restore, Offline backup

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 💡 Convenient for transferring photos/videos
- 👍 Works well with iPhone and iPad

**What reviewers complain about**

- 🐛 Frequent crashes and freezes
- 🔌 Unreliable connection with device
- 🤯 Confusing and unintuitive interface
- 🤔 Limited functionality compared to claims

**Reported bugs**

- Device not recognized or shown as offline
- Corrupted or lost files during transfer
- Compatibility issues with newer iOS versions

**Requested features**

- Ability to create folders and organize files
- Support for more file types beyond photos/videos
- Improved stability and reliability


## Frequently asked questions

### Is uDisk free?

uDisk is free to download, with in-app purchases available.

### Is i free?

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

### Which has better reviews, uDisk or i?

uDisk is rated higher. uDisk averages 4.3 out of 5 from 233 ratings, while i averages 2.1 from 419 ratings.

### Do uDisk or i have ads?

Neither uDisk nor i shows ads.

### Which is updated more often, uDisk or i?

uDisk ships an update every 2 months, and i monthly. Most recently, uDisk was updated on September 17, 2026 and i on September 18, 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.*