# FAN vs Atrius Facilities

The clearest difference is ratings volume: FAN at 6 against Atrius Facilities's 1. FAN also leads on iOS requirement (11.0 vs 15.0). On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for FAN against 5.0 for Atrius Facilities. That said, the two scores are not equally well evidenced: FAN has 6 ratings behind it against 1, so its average is the more settled of the two.

FAN ships an update every 5 months, Atrius Facilities every 4 months. The most recent releases landed on July 7, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | FAN | Atrius Facilities |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (6 ratings)](https://appshunter.io/ios/app/fan-410-installation-reference/id1527588808/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/atrius-facilities/id6478790411/reviews) |
| Number of ratings | **6** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 81 MB | 3 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Johnson Controls, Inc.](https://appshunter.io/developer/503559091) | [Distech Controls](https://appshunter.io/developer/957391245) |

## What reviewers say

### FAN

[App page](https://appshunter.io/ios/app/fan-410-installation-reference/id1527588808)

This app serves as a digital installation manual for HVAC Bacnet controls. It provides comprehensive guidance for technicians and installers working with these systems. Access detailed information and references directly on your device.

**Highlights:** HVAC Bacnet Controls Installation Manual, Digital Reference Guide, Technical Documentation, Installer Support

**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 FAN free?

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

### Is Atrius Facilities free?

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

### Which has better reviews, FAN or Atrius Facilities?

FAN and Atrius Facilities are both rated 5.0 out of 5 on the App Store, from 6 and 1 ratings respectively.

### Do FAN or Atrius Facilities have ads?

Neither FAN nor Atrius Facilities shows ads.

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

FAN ships an update every 5 months, and Atrius Facilities every 4 months. Most recently, FAN was updated on July 7, 2026 and Atrius Facilities on June 5, 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.*