# IntelliEMS vs OpenDisplay

The clearest difference is device support: OpenDisplay at 3 against IntelliEMS's —. IntelliEMS's advantage is iOS requirement (13.0 vs 15.0). On price 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.

## The numbers

| Metric | IntelliEMS | OpenDisplay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (21 ratings)](https://appshunter.io/ios/app/opendisplay/id6780264891/reviews)** |
| Number of ratings | — | **21** |
| Positive reviews | — | 92.3% of reviews |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 8 days |
| Monetization | — | Free |
| Size | 50 MB | 1 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Intellims Limited](https://appshunter.io/developer/1638715851) | [Philip Poloczek](https://appshunter.io/developer/1333036183) |

## What reviewers say

### IntelliEMS

[App page](https://appshunter.io/ios/app/intelliems/id1638715849)

**In-app purchases:** none


### OpenDisplay

[App page](https://appshunter.io/ios/app/opendisplay/id6780264891)

Transform your iPhone or iPad into a genuine second display for your Mac. This open-source solution allows you to extend your screen space for multitasking, keeping important information visible. Connect via USB for minimal latency or Wi-Fi for easy setup.

**Highlights:** Real extended display functionality, USB and Wi-Fi connectivity, Retina-sharp rendering, Touch and scroll support, Portrait and landscape orientation, Private by design, no tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is IntelliEMS free?

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

### Is OpenDisplay free?

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

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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.*