Tosi Client vs FAN
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tosi Client
This app provides secure remote access to networks and devices via VPN connections. It offers easy setup and robust security features, ensuring device-specific access control and two-factor authentication.
- Secure VPN connections
- Remote access to devices
- QR code setup
- Device-specific access rights
- Two-factor authentication
- Network management
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Tosi Client extends our secure connectivity service to mobile devices, allowing easy remote access also from iOS devices. Our people, technology and software have created a new standard for secure connectivity, remote maintenance and network management. Features: • Enables secure VPN connections to Tosi Gateways, using the mobile device's Wi-Fi or mobile data connection. • Easy to take into use in just a few minutes by scanning a QR code. • Built on solid security foundation: the access rights are controlled from the Tosi Key • The access rights are device-specific and non-transferrable. Utilizes a two-factor authentication scheme. • Does not restrict the usage of apps. Most network-enabled applications will work over the Tosi remote connection. Support and documentation: • https://www.tosi.net/contact Tosi Client requires a Tosi Key device to function.
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 Tosi Client's 20%. FAN also leads on iOS requirement (11.0 vs 18.0). On price, update cadence, 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.
Tosi Client ships an update every 4 months, FAN every 5 months. The most recent releases landed on August 18, 2026 and July 7, 2026 respectively.
| Parameter | Tosi Client | FAN |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (6 ratings) — better |
| Positive reviews | 20.0% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 6 — better |
| Update frequency | Every 4 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 81 MB |
| Age rating | 4+ | 4+ |
| Developer | Tosibox | Johnson Controls, Inc. |
Customer experience
Tosi Client
FAN
In-app purchases
Tosi Client
No in-app purchases
FAN
No in-app purchases









