# DUO vs iXflash

The clearest difference is review sentiment: iXflash at 85% against DUO's 18%. iXflash also leads on rating (4.6 vs 2.5) and update cadence (every 3 weeks vs every 3 months). DUO's advantage is iOS requirement (8.0 vs 15.0). On price, ratings volume, ads and in-app purchases 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 2.5. Both are backed by a comparable volume of ratings — 86 and 97 respectively. Written reviews point the same way: 18% of DUO's written reviews are positive against 85% of iXflash's.

DUO ships an update every 3 months, iXflash every 3 weeks. The most recent releases landed on June 10, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | DUO | iXflash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (86 ratings)](https://appshunter.io/ios/app/duo-link-30/id1088185359/reviews) | **[4.6 (97 ratings)](https://appshunter.io/ios/app/ixflash/id1166459341/reviews)** |
| Number of ratings | 86 | **97** |
| Positive reviews | 17.5% of reviews | **84.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 34 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-30/id1088185359)

This multi-functional storage device offers a dual connector for seamless file transfer and management between Apple devices and computers. It allows for backing up contacts, streaming high-definition videos, and managing files directly from the device.

**Highlights:** Dual USB and Lightning connectors, Contact backup and restore, Independent music and video playback, 1080p video streaming, File management (copy, delete, export), Browse external and local files

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- ✅ Easy file transfer between devices
- 📱 Works with multiple iOS devices
- 🎵 Can store and play media files
- 💾 Provides additional storage capacity
- 🔄 Simple backup functionality for photos/videos

**What reviewers complain about**

- 🐛 Frequent app crashes and freezes
- ❌ Incompatible with newer iPhone models
- 📉 Poor app stability after updates
- 🔌 Hardware not recognized by app
- 💥 Data loss issues reported

**Reported bugs**

- App crashes when playing MP3 files
- App crashes when transferring large files
- App crashes when viewing videos
- App crashes when adjusting volume during video playback
- App crashes when copying photos

**Requested features**

- Video thumbnail preview functionality
- File sharing with other applications
- Password/file locking capability
- Ability to select multiple files in view mode
- Wireless streaming to Apple TV


### 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 2.5 out of 5 from 86 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 3 months, and iXflash every 3 weeks. Most recently, DUO was updated on June 10, 2026 and iXflash on September 27, 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.*