# HDMI vs SII Operator

The clearest difference is update cadence: SII Operator at every 9 days against HDMI's every 3 weeks. SII Operator also leads on iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

HDMI ships an update every 3 weeks, SII Operator every 9 days. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | HDMI | SII Operator |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Free | — |
| Size | 83 MB | 39 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ion Danilov](https://appshunter.io/developer/1727366898) | [Startec Dynamics Inc.](https://appshunter.io/developer/1787110669) |

## 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


### SII Operator

[App page](https://appshunter.io/ios/app/sii-operator/id6747467100)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HDMI free?

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

### Is SII Operator free?

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

### Do HDMI or SII Operator have ads?

Neither HDMI nor SII Operator shows ads.

### Which is updated more often, HDMI or SII Operator?

HDMI ships an update every 3 weeks, and SII Operator every 9 days. Most recently, HDMI was updated on October 8, 2026 and SII Operator on October 7, 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.*