# USB vs i

The clearest difference is iOS requirement: i at 9.0 against USB's 13.0. 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.

USB ships an update every 5 weeks, i monthly. The most recent releases landed on September 22, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | USB | i |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (29 ratings)](https://appshunter.io/ios/app/usb-view/id1404195213/reviews)** | — |
| Number of ratings | **29** | — |
| Positive reviews | 18.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free | — |
| Size | 8 MB | 58 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [志强 童](https://appshunter.io/developer/1214909933) | [锦才 钟](https://appshunter.io/developer/1433440881) |

## What reviewers say

### USB

[App page](https://appshunter.io/ios/app/usb-view/id1404195213)

This application connects to WIFI image transmission equipment, enabling wireless image data transfer between cameras and iOS devices. It allows for real-time, free transmission of visuals from anywhere, anytime.

**Highlights:** WIFI image transmission, Wireless connection to iOS devices, Real-time image data transfer, Anytime, anywhere access, Free wireless transmission

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### i

[App page](https://appshunter.io/ios/app/i-view-pro/id6476136419)

**In-app purchases:** none


## Frequently asked questions

### Is USB free?

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

### Is i free?

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

### Do USB or i have ads?

Neither USB nor i shows ads.

### Which is updated more often, USB or i?

USB ships an update every 5 weeks, and i monthly. Most recently, USB was updated on September 22, 2026 and i on September 10, 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.*