# DUO vs iDiskk Pro

The clearest difference is rating: iDiskk Pro at 2.5 against DUO's 1.9. iDiskk Pro also leads on ratings volume (318 vs 52). On price, review sentiment, update cadence and ads there is nothing between them.

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

iDiskk Pro holds the better App Store score, 2.5 against 1.9. That said, the two scores are not equally well evidenced: iDiskk Pro has 318 ratings behind it against 52, so its average is the more settled of the two. Written reviews split almost evenly too, at 13% and 14% positive.

DUO ships an update every 5 weeks, iDiskk Pro every 2 months. The most recent releases landed on October 19, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | DUO | iDiskk Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (52 ratings)](https://appshunter.io/ios/app/duo-link/id982410478/reviews) | **[2.5 (318 ratings)](https://appshunter.io/ios/app/idiskk-pro/id1006564880/reviews)** |
| Number of ratings | 52 | **318** |
| Positive reviews | 13.2% of reviews | **13.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 31 MB | 22 MB |
| Requires iOS | **8.0** | 9.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gopod Group Limited](https://appshunter.io/developer/975108489) | [Shenzhen Feitianxia Technology Co, Ltd.](https://appshunter.io/developer/536103551) |

## What reviewers say

### DUO

[App page](https://appshunter.io/ios/app/duo-link/id982410478)

Expand storage for your Apple devices and computers. Easily transfer files, back up contacts, and play media directly from the device. Free up space on your iPhone and iPad with this versatile storage solution.

**Highlights:** Expand iPhone/iPad storage, USB and Lightning connectors, Contact backup and restore, Independent music/video playback, Stream 1080p videos, File management

**Features:** macOS Compatibility

**In-app purchases:** none


### iDiskk Pro

[App page](https://appshunter.io/ios/app/idiskk-pro/id1006564880)

Manage files on a dual-connector USB drive. Seamlessly transfer data between your iOS device and Mac/PC, back up photos and contacts, and enjoy direct playback of media files. This app unlocks the full potential of your external storage solution.

**Highlights:** Browse files on iDiskk and app, Transfer files between iDiskk and app, Backup iOS photos to iDiskk, Backup and restore iOS contacts, Direct music and movie playback

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast file transfers
- ⚙️ Useful device for expanding storage
- 👍 Easy to use app

**What reviewers complain about**

- 🐛 App crashes and freezes
- ⚠️ Compatibility issues with newer iOS versions
- 🔌 Device stops working after some time
- 🔍 Poor customer support

**Reported bugs**

- App crashes when trying to copy/transfer files
- Device not recognized by app after iOS updates
- Corrupted files after transfer
- Thumbnails not updating correctly after formatting SD card

**Requested features**

- Add 'move' option instead of just 'copy'
- Display more file information
- Allow selecting multiple files for transfer
- Improve transfer speed


## Frequently asked questions

### Is DUO free?

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

### Is iDiskk Pro free?

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

### Which has better reviews, DUO or iDiskk Pro?

iDiskk Pro is rated higher. DUO averages 1.9 out of 5 from 52 ratings, while iDiskk Pro averages 2.5 from 318 ratings.

### Do DUO or iDiskk Pro have ads?

Neither DUO nor iDiskk Pro shows ads.

### Which is updated more often, DUO or iDiskk Pro?

DUO ships an update every 5 weeks, and iDiskk Pro every 2 months. Most recently, DUO was updated on October 19, 2026 and iDiskk Pro on October 17, 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.*