# I vs OTG Flash Pro

The clearest difference is iOS requirement: I at 8.0 against OTG Flash Pro's 14.0. On price, update cadence, 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.

I ships an update every 9 days, OTG Flash Pro every 10 days. The most recent releases landed on October 22, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | I | OTG Flash Pro |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 10 days |
| Monetization | Free | — |
| Size | 40 MB | 136 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [zhong qibiao](https://appshunter.io/developer/1118837284) | [裕雨 程](https://appshunter.io/developer/1079877476) |

## 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


### OTG Flash Pro

[App page](https://appshunter.io/ios/app/otg-flash-pro/id6752880818)

**In-app purchases:** none


## Frequently asked questions

### Is I free?

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

### Is OTG Flash Pro free?

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

### Do I or OTG Flash Pro have ads?

Neither I nor OTG Flash Pro shows ads.

### Which is updated more often, I or OTG Flash Pro?

I ships an update every 9 days, and OTG Flash Pro every 10 days. Most recently, I was updated on October 22, 2026 and OTG Flash Pro on October 28, 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.*