# ASHRAE 365 vs FAN

The clearest difference is review sentiment: FAN at 100% against ASHRAE 365's 0%. FAN also leads on rating (5.0 vs 4.2) and monetization model (free vs ad-supported). On price, ratings volume, 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.

FAN holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 10 and 7 respectively. Written reviews point the same way: 0% of ASHRAE 365's written reviews are positive against 100% of FAN's.

ASHRAE 365 ships an update every 4 months, FAN every 5 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | ASHRAE 365 | FAN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (10 ratings)](https://appshunter.io/ios/app/ashrae-365/id1337759799/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/fan-410-installation-reference/id1527588808/reviews)** |
| Number of ratings | **10** | 7 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 5 months |
| Monetization | Ad-supported | **Free** |
| Size | 53 MB | 81 MB |
| Requires iOS | 17.6 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | +4 | 4+ |
| Developer | [ASHRAE, Inc.](https://appshunter.io/developer/375374912) | [Johnson Controls, Inc.](https://appshunter.io/developer/503559091) |

## What reviewers say

### ASHRAE 365

[App page](https://appshunter.io/ios/app/ashrae-365/id1337759799)

Access ASHRAE information year-round. Stay updated on global conferences and events, connect with the community via social media, and discover resources to support the Society.

**Highlights:** Conference and event updates, Social media integration, Resource discovery, Society support information, Year-round access

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is ASHRAE 365 free?

ASHRAE 365 is free to download, with no in-app purchases.

### Is FAN free?

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

### Which has better reviews, ASHRAE 365 or FAN?

FAN is rated higher. ASHRAE 365 averages 4.2 out of 5 from 10 ratings, while FAN averages 5.0 from 7 ratings.

### Do ASHRAE 365 or FAN have ads?

Neither ASHRAE 365 nor FAN shows ads.

### Which is updated more often, ASHRAE 365 or FAN?

ASHRAE 365 ships an update every 4 months, and FAN every 5 months. Most recently, ASHRAE 365 was updated on November 3, 2026 and FAN on November 3, 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.*