# Dual Magic Flash vs I

The clearest difference is rating: I at 5.0 against Dual Magic Flash's 1.7. I also leads on review sentiment (50% vs 18%) and update cadence (every 9 days vs every 5 weeks). Dual Magic Flash's advantage is ratings volume (24 vs 5). On price, ads, in-app purchases and monetization model there is nothing between them.

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

I holds the better App Store score, 5.0 against 1.7. Both are backed by a comparable volume of ratings — 24 and 5 respectively. Written reviews point the same way: 18% of Dual Magic Flash's written reviews are positive against 50% of I's.

Dual Magic Flash ships an update every 5 weeks, I every 9 days. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Dual Magic Flash | I |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (24 ratings)](https://appshunter.io/ios/app/dual-magic-flash/id1126191028/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/i-usbkey-pro/id1258469579/reviews)** |
| Number of ratings | **24** | 5 |
| Positive reviews | 18.2% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 9 days** |
| Monetization | Free | Free |
| Size | 56 MB | 40 MB |
| Requires iOS | 8.0 | 8.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Norel Systems Limited](https://appshunter.io/developer/1542559097) | [zhong qibiao](https://appshunter.io/developer/1118837284) |

## What reviewers say

### Dual Magic Flash

[App page](https://appshunter.io/ios/app/dual-magic-flash/id1126191028)

Instantly expand storage on your Micro-USB or iOS Lightning devices. Easily transfer and save photos, music, movies, contacts, and any files between devices without using internal space.

**Highlights:** Expand device storage up to 256GB, Transfer and save photos, Carry music without using device space, Store movies, Backup and restore contacts, Transfer any file type

**Features:** macOS Compatibility

**In-app purchases:** none


### I

[App page](https://appshunter.io/ios/app/i-usbkey-pro/id1258469579)

Manage all your files on iOS devices with ease. This app allows you to exchange files between different devices and platforms, back up contacts and camera roll, and play media directly from your device. It supports a wide range of document, image, audio, and video file formats.

**Highlights:** File management for iOS devices, Cross-device file exchange, Contact and camera roll backup, Video and music playback, Image and document preview, Support for various file formats

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dual Magic Flash free?

Dual Magic Flash is free to download, with no in-app purchases.

### Is I free?

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

### Which has better reviews, Dual Magic Flash or I?

I is rated higher. Dual Magic Flash averages 1.7 out of 5 from 24 ratings, while I averages 5.0 from 5 ratings.

### Do Dual Magic Flash or I have ads?

Neither Dual Magic Flash nor I shows ads.

### Which is updated more often, Dual Magic Flash or I?

Dual Magic Flash ships an update every 5 weeks, and I every 9 days. Most recently, Dual Magic Flash was updated on October 24, 2026 and I on October 22, 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.*