# EMS vs Atrius Facilities

The clearest difference is update cadence: Atrius Facilities at every 4 months against EMS's every 10 months. Atrius Facilities also leads on device support (3 vs 1). EMS's advantage is iOS requirement (12.0 vs 15.0). On price, 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.

EMS ships an update every 10 months, Atrius Facilities every 4 months. The most recent releases landed on October 8, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | EMS | Atrius Facilities |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/atrius-facilities/id6478790411/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 4 months** |
| Monetization | — | Free |
| Size | 16 MB | 3 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Extron Electronics](https://appshunter.io/developer/398254045) | [Distech Controls](https://appshunter.io/developer/957391245) |

## What reviewers say

### EMS

[App page](https://appshunter.io/ios/app/ems-quantum-ultra/id1499849321)

**In-app purchases:** none


### Atrius Facilities

[App page](https://appshunter.io/ios/app/atrius-facilities/id6478790411)

This app synchronizes building control networks with a digital twin for remote management. It simplifies project setup by configuring device locations, network settings, and programming. The app also facilitates pairing physical controllers with their virtual counterparts by scanning QR codes.

**Highlights:** Synchronize building control networks, Digital twin integration, Remote management tools, Project setup, Device configuration, Controller pairing via QR code

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EMS free?

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

### Is Atrius Facilities free?

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

### Do EMS or Atrius Facilities have ads?

Neither EMS nor Atrius Facilities shows ads.

### Which is updated more often, EMS or Atrius Facilities?

EMS ships an update every 10 months, and Atrius Facilities every 4 months. Most recently, EMS was updated on October 8, 2026 and Atrius Facilities on September 20, 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.*