ViCare Reviews: Is It Legit?

ViCare
ViCare
Viessmann IT Service GmbH

Customer Experience

Positive experience40.7% of reviews
Neutral11.8% of reviews
Negative experience47.5% of reviews

~ Based on 756 written reviews from the US App Store.

What users say about ViCare

Is ViCare Safe?

ViCare appears safe based on user ratings. AppsHunter Safety Score for ViCare is 90/100.

This assessment is based on 1,320 user ratings, with an App Store average of 4.5/5.

Safety Analysis

88.7% of ratings point to a safe experience
4.0% of ratings suggest some concerns
7.3% of ratings point to a risky experience

~ Based on 1,320 App Store ratings for ViCare.

Is ViCare Legit?

ViCare appears to be a legitimate app. AppsHunter Legitimacy Score for ViCare is 100/100.

Based on 100 of 100 points across 7 verification signals from App Store and developer data.

Top reviews

ViCare crashes when trying to bring up heating curve info

ViCare crashes when trying to bring up heating curve for boiler on circuit 1. This error is repeatable when accessed via iPad.

Also, separate point, yesterday ViCare was severely lagging actual boiler operation by at least a minute or two.

More attention is needed to make ViCare 100% reliable, as whilst the 200W boiler itself is very good, the ViCare app is inoperative, jams, or lags far too often considering the premium nature of the offering.
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Complete rubbish

I spent 5 hours redoing over and over again. Modified Wi-Fi router to 2.4 and 5 GHz as separate networks. Nothing works. E10 no matter what. Doesn’t work with sky router.
Connected Hive device no problem, in seconds.
Rewrite this app, add steps that explain what to try next if not working. I mean it, complete rubbish.
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Still no ViCare+ support for UK

Please Viessman, can we have ViCare+ available in the UK?

The boiler is great, but the app support is so limited. Features I had 7+ years ago with my Nest are nowhere to be seen with ViCare!
Also, any update when Alexa will be available too?

Password changed

Update overwrite my password. Not well engineered

ViCare

I had a Viessmann boiler. After about 9 years, it started suffering a loss of pressure and needed refilling, it turned out it was the heat exchanger had failed. By the time this was identified, it was just over 10 years old, Viessmann declined to replace the heat exchanger. A heat exchanger was about £700 plus labour and, a new boiler, £1,100. So
UnI got a new boiler.
The new boiler can only be controlled through the mobile phone application, which is great when it works, but total disaster now when I want to turn on the heating and I am unable to do so because I cannot login.
There should be a barcode, on a label attached to the boiler, however, for some reason Viessmann do not attach it to the boiler. The barcode label is separate, in the box, for the installer to attach. The problem is that, when the boiler engineer finished the installation, it was around 5:00 pm and he wanted to go home. He put the box in the back of the van, with the barcode label, left without connecting the boiler to the WiFi.

From time to time, the WiFi connection stops working and it always is a headache every time I need to reconnect it, as I do not have the barcode! This is a really frustrating design. I am afraid that I would never buy another Viessmann! Sorry!
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App should be all free

After spending 15,000€ on a new system, it should be free forever! Cheap company mindset

No Alexa skill for UK

The Viessmann skill is available in Germany and the US but Viessmann are ignoring the numerous requests from its UK customers to enable it here. It is very easy for them to do but they don’t care about their UK market. Don’t buy Viessmann.

Authorisation error

Suddenly getting ‘You are not authorised to use this application’ error message so no longer able to see boiler status data or to make any changes to time schedules or temperature. Something has changed in authorisation system.

Améliorable

Je ne met pas 5 étoiles pour 2 raisons :
- l’application n’affiche pas la température mesurée par la sonde extérieure,
- il n’y a pas de possibilité de connexion ethernet directement sur la chaudière, ce qui est problématique quand la chaudière est installée à la cave et et que la connexion wifi est instable malgré l’utilisation d’un répéteur.
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Was amazing, now unusable

Been using ViCare for many years and it got better and better with each update but the last couple of updates have rendered the app completely unusable. All you get met with is a spinning circle and a dashboard that doesn’t load correctly. My Boiler requires the app to get the full benefit of its features. Where is Viessmans QC on this as a lot of people require the app to control their installation.
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Avoid if you can

Setting up an account is like getting in to Fort Knox, especially if you are part of a shared household with different log on ids

Pointless

This app is completely useless. Scan to connect wifi, despite being a new boiler if fails as it wont recognise the qr code. Want to reset your boiler because it has a fault, you need to find the website and download a pdf manual then do it manually - what is the point in having a wifi connected boiler if the connection does nothing? What to know about the current error code? Well the app gives next to no information, doesn't tell you the date or time the error occurred and won't let you clear the error from the app. Want to book a service for your boiler? Well the app doesn’t do that either. It has very basic info on current temperature, no real information on performamce over time. In fact I have no idea why there is even an app as it serves no actual benefit to the customer.
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Complicated

Sometimes I will press the “ok” button on the boiler by mistake, putting it into “AP” mode. I then spend the next hour trying to repair the boiler to the internet. You have to love Viessmann for simplicity

Recent software updates - junk

The previous versions of the app worked just fine and was intuitive. This latest version of software is useless. Very frustrating to lose the functionality that was marketed to us users.

Rubbish UI/UX

On iPhone 14 Pro the app can’t scan the QR code as it opens the main camera which can’t focus on the QR code. Never mind, let’s try entering the ID manually. Well, the ID is in hexadecimal format but you can’t type letters as the app brings up the numeric keypad.

Von wegen besser…

Erst das Positive: Das ÜberwachungsModul an der Heizung ist hübsch anzuschauen… das wars dann auch schon.
Nun das leider negative: In der App: Service eingetragen, und der Status steht auf „Deiner Anlage geht es gut“.. prima. Anderntags zeigt die App „Störung“. Und es reagiert nichts und niemand. Auf Nachfrage kommt dann irgendwann nach Wochen ein Service-Techniker und schaut nach dem Gerät… alles gut. Da kann ja erst mal die App und das Modul nichts dafür. Aber genau dafür ist ja die App/Modul geschaffen - frühzeitig zu reagieren. Viessmann ist sicher eine gute Wahl - aber die selbst ernannten „Viessmann-Spezialisten sind der Grund dass nie wieder Viessmann auf einer bei uns eingebauten Anlage stehen wird….

Nun haben wir seit Wochen einen Ausfall nach dem anderen- und das Modul zeigt fleissig:Deiner Anlage geht es gut“…. OHNE (WEITERE) WORTE.
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Thank you for the latest update

Fantastic app and works as it should now. The issue of the Climate Sensor reported as not working has been resolved now after the April 2026 update. All in all, as a user, the app does what it’s supposed to do, mainly allowing full control over the heating system and showing the system status at the touch of a button. Love the idea or features of the holiday mode and comfy or cozy day at home settings.
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