ViCare vs ThermoLinx
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ViCare
Control your home heating system remotely with this app. Adjust temperatures, set schedules, and monitor system status for comfort and energy savings. Receive alerts and manage basic functions from your smartphone.
- Remote heating system control
- Set preferred room temperatures
- Create daily heating schedules
- Monitor system status
- Energy cost savings
- Holiday program settings
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ViCare - the best way to connect to your Viessmann heating system. New possibilities to control your heating system via the internet offers the ViCare app. With the simple graphical user interface of ViCare, the operation of the heating system is very intuitive. Feel secure Warmth and reassurance in one ● In one view, get an instant check if everything is in order Save costs Set your preferred room temperature and save money when you’re away from home ● Simple, convenient operation of your heating system ● Store daily schedules and automatically save energy costs ● Set basic functions at the touch of a button on your smartphone Core functions (depending on heating system): ● Displaying the status of your heating ● Capability to set up the most important functions of your heating system ● Store your daily routine to automatically save energy costs ● View outside temperature history ● Shortcuts e.g.: I want hot water or I’m away ● Holiday program Please note: We publish the functions gradually! You can expect several small updates in the next weeks and months. There will be always something new to discover. Comments or feedback? Share your thoughts with us and other users in our Viessmann Community! https://www.viessmann-community.com/ ____________ Important: The ViCare app can be used in conjunction with an internet-compatible Viessmann heating system or in conjunction with the Viessmann Vitoconnect WLAN module or a Viessmann heating system with an integrated Internet interface. Functions available in ViCare are depending on functions available on boiler itself. ____________ Terms of use: https://climate-solutions.com/vicare/terms-of-use/US/en.html
ThermoLinx
Remotely control and monitor your HBX Wi-Fi zoning, snow melt, and geothermal systems. Manage comfort, energy savings, and system status from your smartphone or tablet.
- Remote control of Wi-Fi zoning systems
- Monitor snow melt systems
- Control geothermal systems
- Adjust heating and cooling modes
- Receive alarm notifications
- Manage up to 20 zones
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ThermoLinx Hydronic Network The ThermoLinx Hydronic Network mobile app allows you to remotely control and monitor your HBX Wi-Fi zoning, snow melt, and geothermal system from the palm of your hand. Wi-Fi Zoning System The Wi-Fi Zoning System offers the highest degree of comfort management, allowing you to control up to 20 zones remotely to maximize comfort and energy savings. The system incorporates multiple heating and cooling modes, DHW, and selectable priorities to accommodate for small to large systems. Unique to hydronics, each zone control provides outputs for forced air delivery systems. Each zone can be viewed and configured from smartphone or tablet devices, allowing you control your comfort anytime, anyplace. You must own an HBX ZON-0550 (zone control), THM-0300/THM-0500 (Thermostat) and TMX-0100 ThermoLinxTM Wi-Fi module to use the HBX Wi-Fi Zoning App. Snow Melt System Control The SNO-0550 Version 2.0+ is the latest control to be added to the ThermoLinx Hydronic Network with the ability to set snow fall rates, adjust/monitor targets, set slab demands and the ability to turn on/off your snow melt system anytime, anywhere. Geothermal System Control Introducing the simplest, most intuitive control available to the geothermal industry: the ECO-0550, now with the ThermoLinx Hydronic Network, allowing you to control your geothermal system remotely with built-in Wi-Fi control. No TMX-0100 module required. With the ThermoLinx mobile app, users can control their geothermal system remotely from there smartphone or tablet devices with the ability to adjust heat pump and backup heat source parameters, monitor tank temperatures, equipment operation status and receive alarm notifications.
Screenshots
Verdict
The clearest difference is rating: ViCare at 4.5 against ThermoLinx's 1.7. ViCare also leads on ratings volume (1.3K vs 7) and update cadence (every 9 days vs every 6 weeks). ThermoLinx's advantage is in-app purchases (none vs 2) and iOS requirement (10.3 vs 16.0). On price, review sentiment, ads and device support 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. ViCare sells 2 in-app purchases, starting at $3.99 per month. ThermoLinx asks for nothing beyond the download.
ViCare holds the better App Store score, 4.5 against 1.7. That said, the two scores are not equally well evidenced: ViCare has 1.3K ratings behind it against 7, so its average is the more settled of the two. Written reviews complicate that: 41% of ViCare's written reviews are positive against 44% of ThermoLinx's, so the app with the better star average is not the one people write more warmly about.
ViCare ships an update every 9 days, ThermoLinx every 6 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.
| Parameter | ViCare | ThermoLinx |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (1.3K ratings) — better | 1.7 (7 ratings) |
| Positive reviews | 40.7% of reviews | 44.4% of reviews — better |
| Number of ratings | 1.3K — better | 7 |
| Update frequency | Every 9 days — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 10.3 — better |
| Further details — not scored | ||
| Size | 662 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Viessmann IT Service GmbH | HBX Controls Inc |
Customer experience
ViCare
ThermoLinx
Bugs and requests
ViCare
Reported bugs
4 issues- App fails to load or gets stuck on loading screen
- Settings changes not syncing properly with boiler
- Incorrect time zone and DST adjustments
- Frequent loss of connectivity to boiler
Requested features
4 requests- Add a simple 'boost' or 'quick on' heating mode
- Provide more granular control over heating and hot water schedules
- Enable integration with smart home platforms like Alexa or HomeKit
- Improve data visualization and historical energy usage tracking
ThermoLinx
Not enough reviews yet to summarise bugs or requests.
In-app purchases
ViCare
- Monthly1 Month trial$3.991 Month
- Yearly1 Month trial$33.991 Year
ThermoLinx
No in-app purchases









