# uDisk vs iData Air

The clearest difference is rating: uDisk at 4.3 against iData Air's 3.0. uDisk also leads on ratings volume (247 vs 5). iData Air's advantage is in-app purchases (none vs 1) and iOS requirement (8.0 vs 11.0). On price, update cadence, ads and device support there is nothing between them.

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

uDisk holds the better App Store score, 4.3 against 3.0. That said, the two scores are not equally well evidenced: uDisk has 247 ratings behind it against 5, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 23, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | uDisk | iData Air |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (247 ratings)](https://appshunter.io/ios/app/udisk/id532963658/reviews)** | [3.0 (5 ratings)](https://appshunter.io/ios/app/idata-air/id1094616252/reviews) |
| Number of ratings | **247** | 5 |
| Positive reviews | 83.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 60 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 Hali-power Industrial CO., LTD](https://appshunter.io/developer/448145465) |

## 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


### iData Air

[App page](https://appshunter.io/ios/app/idata-air/id1094616252)

Wirelessly save and transfer photos, videos, and files to and from your iOS device. Keep your data secure and accessible on the go for easy sharing with others.

**Highlights:** Wireless file transfer, Save and transfer pictures, Save and transfer video, Save and transfer other files, Secure data storage, Easy file sharing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is uDisk free?

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

### Is iData Air free?

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

### Which has better reviews, uDisk or iData Air?

uDisk is rated higher. uDisk averages 4.3 out of 5 from 247 ratings, while iData Air averages 3.0 from 5 ratings.

### Do uDisk or iData Air have ads?

Neither uDisk nor iData Air shows ads.

### Which is updated more often, uDisk or iData Air?

uDisk ships an update every 2 months, and iData Air every 2 months. Most recently, uDisk was updated on October 23, 2026 and iData Air on October 21, 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.*