# Appion Central vs FAN

The clearest difference is review sentiment: FAN at 100% against Appion Central's 29%. FAN also leads on rating (5.0 vs 2.8) and iOS requirement (11.0 vs 13.0). Appion Central's advantage is update cadence (every 5 weeks vs every 5 months). On price, ratings volume, 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.

FAN holds the better App Store score, 5.0 against 2.8. Both are backed by a comparable volume of ratings — 14 and 7 respectively. Written reviews point the same way: 29% of Appion Central's written reviews are positive against 100% of FAN's.

Appion Central ships an update every 5 weeks, FAN every 5 months. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Appion Central | FAN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (14 ratings)](https://appshunter.io/ios/app/appion-central/id1455230837/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/fan-410-installation-reference/id1527588808/reviews)** |
| Number of ratings | **14** | 7 |
| Positive reviews | 28.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 5 months |
| Monetization | Free | Free |
| Size | 35 MB | 81 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Appion Inc.](https://appshunter.io/developer/978979622) | [Johnson Controls, Inc.](https://appshunter.io/developer/503559091) |

## What reviewers say

### Appion Central

[App page](https://appshunter.io/ios/app/appion-central/id1455230837)

Manage your HVAC tools and connect to the web portal. This app provides a mobile interface for your Appion products.

**Highlights:** Manage Appion products, Interface with Appion Portal, Mobile tool management

**Features:** macOS Compatibility

**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 Appion Central free?

Appion Central 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, Appion Central or FAN?

FAN is rated higher. Appion Central averages 2.8 out of 5 from 14 ratings, while FAN averages 5.0 from 7 ratings.

### Do Appion Central or FAN have ads?

Neither Appion Central nor FAN shows ads.

### Which is updated more often, Appion Central or FAN?

Appion Central ships an update every 5 weeks, and FAN every 5 months. Most recently, Appion Central was updated on October 19, 2026 and FAN on October 24, 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.*