# USB vs HDMI

The clearest difference is rating: HDMI at 2.9 against USB's 2.0. HDMI also leads on review sentiment (52% vs 18%). USB's advantage is iOS requirement (13.0 vs 17.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

HDMI holds the better App Store score, 2.9 against 2.0. Both are backed by a comparable volume of ratings — 29 and 74 respectively. Written reviews point the same way: 18% of USB's written reviews are positive against 52% of HDMI's.

USB ships an update every 5 weeks, HDMI every 3 weeks. The most recent releases landed on October 6, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | USB | HDMI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (29 ratings)](https://appshunter.io/ios/app/usb-view/id1404195213/reviews) | **[2.9 (74 ratings)](https://appshunter.io/ios/app/hdmi/id6476621872/reviews)** |
| Number of ratings | 29 | **74** |
| Positive reviews | 18.2% of reviews | **52.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 8 MB | 83 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [志强 童](https://appshunter.io/developer/1214909933) | [Ion Danilov](https://appshunter.io/developer/1727366898) |

## 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


### HDMI

[App page](https://appshunter.io/ios/app/hdmi/id6476621872)

Transform your device into an external monitor for gaming, photography, and video. Connect consoles, cameras, PCs, and more for high-quality HD streaming. Enjoy a portable display and immersive audio experience.

**Highlights:** External display functionality, Connect gaming consoles, High-quality HD streaming, Supports cameras and PCs, Portable screen solution, USB-C video capture card compatible

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

**In-app purchases:** none


## Frequently asked questions

### Is USB free?

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

### Is HDMI free?

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

### Which has better reviews, USB or HDMI?

HDMI is rated higher. USB averages 2.0 out of 5 from 29 ratings, while HDMI averages 2.9 from 74 ratings.

### Do USB or HDMI have ads?

Neither USB nor HDMI shows ads.

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

USB ships an update every 5 weeks, and HDMI every 3 weeks. Most recently, USB was updated on October 6, 2026 and HDMI on October 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*