# HDMI vs USB扩展屏

The clearest difference is in-app purchases: HDMI at none against USB扩展屏's 1. USB扩展屏's advantage is update cadence (daily vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. USB扩展屏 sells 1 one-off in-app purchase. HDMI asks for nothing beyond the download.

HDMI ships an update every 3 weeks, USB扩展屏 daily. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | HDMI | USB扩展屏 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.9 (74 ratings)](https://appshunter.io/ios/app/hdmi/id6476621872/reviews)** | — |
| Number of ratings | **74** | — |
| Positive reviews | 52.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free | — |
| Size | 83 MB | 0 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ion Danilov](https://appshunter.io/developer/1727366898) | [晓满 李](https://appshunter.io/developer/1515867430) |

## What reviewers say

### 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


### USB扩展屏

[App page](https://appshunter.io/ios/app/usb/id6502822709)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 完整版 | $0.99 | one-time |


## Frequently asked questions

### Is HDMI free?

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

### Is USB扩展屏 free?

USB扩展屏 is free to download, with in-app purchases available.

### Do HDMI or USB扩展屏 have ads?

Neither HDMI nor USB扩展屏 shows ads.

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

HDMI ships an update every 3 weeks, and USB扩展屏 daily. Most recently, HDMI was updated on October 8, 2026 and USB扩展屏 on October 1, 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.*