# I vs Usb Transfer

The clearest difference is in-app purchases: I at none against Usb Transfer's 3. I also leads on update cadence (every 9 days vs every 3 weeks) and iOS requirement (8.0 vs 12.0). On price, ads and device support there is nothing between them.

Both are free to download. Usb Transfer sells 3 in-app purchases, starting at $2.99 per month. I asks for nothing beyond the download.

I ships an update every 9 days, Usb Transfer every 3 weeks. The most recent releases landed on June 4, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | I | Usb Transfer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/i-usbkey-pro/id1258469579/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 40 MB | 91 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [zhong qibiao](https://appshunter.io/developer/1118837284) | [Changsha Fugui Bamboo Network Technology Co., Ltd.](https://appshunter.io/developer/1458061020) |

## What reviewers say

### 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


### Usb Transfer

[App page](https://appshunter.io/ios/app/usb-transfer/id6504265361)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月会员 | $2.99 | per month |
| 季会员 | $3.99 | per 3 months |
| 年会员 | $9.99 | per year |


## Frequently asked questions

### Is I free?

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

### Is Usb Transfer free?

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

### Do I or Usb Transfer have ads?

Neither I nor Usb Transfer shows ads.

### Which is updated more often, I or Usb Transfer?

I ships an update every 9 days, and Usb Transfer every 3 weeks. Most recently, I was updated on June 4, 2026 and Usb Transfer on September 15, 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.*