# DUO vs iXflash

The clearest difference is review sentiment: iXflash at 85% against DUO's 13%. iXflash also leads on rating (4.6 vs 1.9). DUO's advantage is iOS requirement (8.0 vs 15.0). On price, ratings volume, 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.

iXflash holds the better App Store score, 4.6 against 1.9. Both are backed by a comparable volume of ratings — 52 and 97 respectively. Written reviews point the same way: 13% of DUO's written reviews are positive against 85% of iXflash's.

DUO ships an update every 5 weeks, iXflash every 3 weeks. The most recent releases landed on October 4, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | DUO | iXflash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (52 ratings)](https://appshunter.io/ios/app/duo-link/id982410478/reviews) | **[4.6 (97 ratings)](https://appshunter.io/ios/app/ixflash/id1166459341/reviews)** |
| Number of ratings | 52 | **97** |
| Positive reviews | 12.7% of reviews | **84.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 31 MB | 215 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gopod Group Limited](https://appshunter.io/developer/975108489) | [Vinpower Inc](https://appshunter.io/developer/1166459340) |

## 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


### iXflash

[App page](https://appshunter.io/ios/app/ixflash/id1166459341)

This app extends your iPhone, iPad, or iPod storage with a compatible OTG drive. It allows for quick photo backups, direct recording of 4K videos, file transfers, and offline media playback, saving you from costly cloud storage fees.

**Highlights:** One-touch photo album backup, Live recording with 4K support, PC/Mac to iDevice file transfer, Offline music and movie playback, Read-only/write-protect drive option, Import iCloud photos and videos

**In-app purchases:** none


## Frequently asked questions

### Is DUO free?

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

### Is iXflash free?

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

### Which has better reviews, DUO or iXflash?

iXflash is rated higher. DUO averages 1.9 out of 5 from 52 ratings, while iXflash averages 4.6 from 97 ratings.

### Do DUO or iXflash have ads?

Neither DUO nor iXflash shows ads.

### Which is updated more often, DUO or iXflash?

DUO ships an update every 5 weeks, and iXflash every 3 weeks. Most recently, DUO was updated on October 4, 2026 and iXflash on October 12, 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.*