# uDisk vs i

The clearest difference is review sentiment: uDisk at 84% against i's 12%. uDisk also leads on rating (4.3 vs 2.1). i's advantage is in-app purchases (none vs 1). 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 80 respectively. Written reviews point the same way: 84% of uDisk's written reviews are positive against 12% of i's.

uDisk ships an update every 2 months, i every 3 months. The most recent releases landed on September 17, 2026 and July 5, 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 (80 ratings)](https://appshunter.io/ios/app/i-usb-storer/id1079877477/reviews) |
| Number of ratings | **233** | 80 |
| Positive reviews | **83.7% of reviews** | 11.8% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 30 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Brown Bear Technology Co., LTD](https://appshunter.io/developer/480204138) | [裕雨 程](https://appshunter.io/developer/1079877476) |

## 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-usb-storer/id1079877477)

Access and manage files on USB drives directly from your Apple device. Stream music, watch videos, and view photos stored on your USB flash drive. It also facilitates photo synchronization.

**Highlights:** Open USB Flash Drive files, Stream music, Watch videos, View photos, Sync photos, USB 3.0 card reader compatible

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Convenient for transferring files
- 🚀 Fast file transfer between device and computer
- 💡 Useful for expanding storage on iOS devices
- 🔒 Secure data backup

**What reviewers complain about**

- 🐛 App crashes frequently
- 🐛 Compatibility issues with newer iOS versions
- 🐛 Unable to recognize external storage device
- 🐛 Buggy performance, files not transferring properly
- 👎 Poor user interface and language translation

**Reported bugs**

- App crashes when trying to export files
- External storage not detected by app
- Corrupted or lost data after file transfers
- Compatibility issues with iPhone X and newer models

**Requested features**

- Add support for landscape mode
- Improve video playback capabilities
- Allow for better file management and organization
- Provide option to change app language


## 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 80 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 every 3 months. Most recently, uDisk was updated on September 17, 2026 and i on July 5, 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.*