Appion Central vs FAN
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Appion Central
Manage your HVAC tools and connect to the web portal. This app provides a mobile interface for your Appion products.
- Manage Appion products
- Interface with Appion Portal
- Mobile tool management
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Appion Central is designed to allow users to manage their Appion products as well as provide an interface with the Appion Portal web service.
FAN
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.
- HVAC Bacnet Controls Installation Manual
- Digital Reference Guide
- Technical Documentation
- Installer Support
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HVAC Bacnet Controls Installation Manual
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Appion Central | FAN |
|---|---|---|
| Price | Free | Free |
| Rating | 2.8 (14 ratings) | 5.0 (7 ratings) — better |
| Positive reviews | 28.6% of reviews | 100.0% of reviews — better |
| Number of ratings | 14 — better | 7 |
| Update frequency | Every 5 weeks — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 35 MB | 81 MB |
| Age rating | 4+ | 4+ |
| Developer | Appion Inc. | Johnson Controls, Inc. |
Customer experience
Appion Central
FAN
In-app purchases
Appion Central
No in-app purchases
FAN
No in-app purchases
