Review Insights · App Store
ViCare
Viessmann IT Service GmbH · 1,251 ratings · ★ 4.5
4.5
★★★★★
1,251 ratings
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Top complaints - extracted from 33 negative reviews
Recurring phrases mined from 1-2★ reviews. The bigger the percentage, the more users have the same problem. Fix the top 2-3 in your version and you have product-market fit on day one.
1
"settings"
7 negative reviews mention this · 21% of all complaints
★★★★★ "Software is junk. After much trial and error I discovered that the only way to access the boiler is to be on a different network. When I use my own wifi connection to access the settings, it spools and times out. If I use cellular data or a different network…" - Vector Guy
2
"update"
6 negative reviews mention this · 18% of all complaints
★★★★★ "Skeptical. We just purchased this system and I’m not too pleased with the app apparently the app is lagging behind in updates. Please upgrade this app to match your newest system so it is usable" - daisy200
3
"vicare"
5 negative reviews mention this · 15% of all complaints
★★★★★ "Poor at solving problems. ViCare will happily tell you have a problem, but give you no way to resolve it from the app. Once a year I get a combustion controller error and I cannot fix it remotely. I have to go to the boiler and manually press the reset button. …" - Jorge Cali
4
"boiler"
5 negative reviews mention this · 15% of all complaints
★★★★★ "Poor at solving problems. ViCare will happily tell you have a problem, but give you no way to resolve it from the app. Once a year I get a combustion controller error and I cannot fix it remotely. I have to go to the boiler and manually press the reset button. …" - Jorge Cali
5
"unit"
5 negative reviews mention this · 15% of all complaints
★★★★★ "No code, no help. My unit does not have the QR code sticker. I can’t even register in the app without the sticker, much less get help. I tried entering info manually, but I don’t know what numbers to put in. I tried every number I could find. The app is ther…" - Jnklz
6
"does"
5 negative reviews mention this · 15% of all complaints
★★★★★ "No code, no help. My unit does not have the QR code sticker. I can’t even register in the app without the sticker, much less get help. I tried entering info manually, but I don’t know what numbers to put in. I tried every number I could find. The app is ther…" - Jnklz
7
"useless"
5 negative reviews mention this · 15% of all complaints
★★★★★ "No code, no help. My unit does not have the QR code sticker. I can’t even register in the app without the sticker, much less get help. I tried entering info manually, but I don’t know what numbers to put in. I tried every number I could find. The app is ther…" - Jnklz
8
"since"
5 negative reviews mention this · 15% of all complaints
★★★★★ "No one is able to help. Since the Company changed ownership I was never contacted by a person who has the knowledge of how this headingsystems works. I am really thinking of getting rid of the ViCare and going back to the Danfoss System, which by the way shows the…" - PercyWalt_US
9
"user"
5 negative reviews mention this · 15% of all complaints
★★★★★ "Bloody nightmare. Absolutely zero in the operating instructions for the new boiler about how to use the new app. Just a sticker on the front of the unit promising that if you do download the app you’ll get “peace of mind” by being able to set temps “from any…" - Longtime Apple Fan Girl
10
"code"
4 negative reviews mention this · 12% of all complaints
★★★★★ "Great if it works. It’d be great if it worked. App is very glitchy will not recognize QR code. Constantly failing to connect with the server, even though all signals are strong." - Neverquit66
11
"connect"
4 negative reviews mention this · 12% of all complaints
★★★★★ "Great if it works. It’d be great if it worked. App is very glitchy will not recognize QR code. Constantly failing to connect with the server, even though all signals are strong." - Neverquit66
12
"problem"
4 negative reviews mention this · 12% of all complaints
★★★★★ "Poor at solving problems. ViCare will happily tell you have a problem, but give you no way to resolve it from the app. Once a year I get a combustion controller error and I cannot fix it remotely. I have to go to the boiler and manually press the reset button. …" - Jorge Cali
📋 All 33 negative reviews
Every 1-2★ review we fetched. Use the copy button to grab them all for your own analysis (paste into ChatGPT/Claude with a prompt like "summarize core user problems, group by theme, ignore bugs, focus on missing features").
Unable to register with CAPTCHA
Hello. I simply can’t get past your CATCHA screen for email confirmation during registration. Cookies are enabled on Safari and Google Chrome and I am not having an issue with any other website.
Stopped working
Please fix
Great if it works
It’d be great if it worked. App is very glitchy will not recognize QR code. Constantly failing to connect with the server, even though all signals are strong.
Bug
Why is electricity consumption measured in ft^3 when the app measurement system is set to imperial?
Poor at solving problems
ViCare will happily tell you have a problem, but give you no way to resolve it from the app. Once a year I get a combustion controller error and I cannot fix it remotely. I have to go to the boiler and manually press the reset button. It’s really a terrible experience for such expensive hardware.
No code, no help
My unit does not have the QR code sticker. I can’t even register in the app without the sticker, much less get help. I tried entering info manually, but I don’t know what numbers to put in. I tried every number I could find. The app is therefore useless, much like the unit itself, which has only rarely produced hot water.
Difficult to connect
I have tried several times to connect to the Viessman network with no luck. Pretty frustrating.
Software is junk
After much trial and error I discovered that the only way to access the boiler is to be on a different network. When I use my own wifi connection to access the settings, it spools and times out. If I use cellular data or a different network access is no problem. My problem now is that I have changed out my Wi-Fi router and the app won’t give me any options to hook it back up to the new one. Total junk. Get a different boiler
New problem now. Communication module stopped working while I’m away from home. What junk. Strongly advise against this product
New problem now. Communication module stopped working while I’m away from home. What junk. Strongly advise against this product
Bugs
App is not updating and laggy.
Stick with the boiler display
I can’t count the number of times the app appears to hang with the wheel spinning and no progress whatsoever. Definitely not intuitive and with a few mistakes for example, the heating circuit setpoint is not correct. I find it easier to walk down the basement and use the boiler panel to do whatever I need to do.Basically the app enables you to control the boiler settings remotely, if you are willing to put up with an interface that is not even as good as the tiny display on the appliance itself.
Pointless
Can’t even get past the sign up. Tried removing app, reinstalling, over and over, just and endless spinning wheel and no ability to sign up. Questioning my viesmann purchase now
Skeptical
We just purchased this system and I’m not too pleased with the app apparently the app is lagging behind in updates. Please upgrade this app to match your newest system so it is usable
Not compatible with iOS 18.0.1
Tried to connect to the wifi but it does not allow me to
No one is able to help
Since the Company changed ownership I was never contacted by a person who has the knowledge of how this headingsystems works. I am really thinking of getting rid of the ViCare and going back to the Danfoss System, which by the way shows the actual temperature on it room sensor so one has not to open app the app to check the correct temperature. I am mad at the customer support in Switzerland which doesn’t exist.
Don’t even bother
The manufacturer did not provide the QR code to activate the app, completely useless. Only giving one star because I can’t do zero.
No good
Can not connect to unit. Following instructions to a T . And no luck.
Bloody nightmare
Absolutely zero in the operating instructions for the new boiler about how to use the new app. Just a sticker on the front of the unit promising that if you do download the app you’ll get “peace of mind” by being able to set temps “from anywhere” and “store daily schedules.”
First of all, even connecting the unit to the internet was challenging and required tech support. Then, after connecting, the app itself is not intuitive and the video with instructions online is outdated.
I started this process Monday night. It’s past noon on Friday. I’ve lost count on how many times I’ve reached out to support. I’m so frustrated.
It shouldn’t be this hard.
(I work on computers daily. This isn’t the case of a tech-illiterate user.)
First of all, even connecting the unit to the internet was challenging and required tech support. Then, after connecting, the app itself is not intuitive and the video with instructions online is outdated.
I started this process Monday night. It’s past noon on Friday. I’ve lost count on how many times I’ve reached out to support. I’m so frustrated.
It shouldn’t be this hard.
(I work on computers daily. This isn’t the case of a tech-illiterate user.)
Time Changes Aren’t Correct
My unit doesn’t use American DST - creates heating issues. Please advise.
Worthless
This and the other apps that Viessmann producers are less then desirable. I have a new Gas Vitodens 343 and Vitoconnect 100 and on a given day the thing does not work. Problem ONE is that constantly drops the signal and you have to go to the heater to change the settings. Problem TWO is the app kick you and requires you to login again only to tell you it can’t login you at which point you create a new account and it tells you that the info you are entering is not valid. I will stop here since there is limited space for an evaluation .... The short DON’T buy Viessmann because the product does not work....service NONE. If they only spend less on the cross country ski advertising and a bit more on the product that might be a start.
No landscape support
This app will only work in portrait orientation, and will not work in landscape orientation. I have a 2021 iPad Pro 12.9” that I only use in landscape orientation (it is attached to an Apple Magic Keyboard) and it is nearly impossible to interact with this app. Major fail!
Dave jonss
App needs user inputs and more user info. App really does not allow any useful control or data
Broken app
Useless app does not run anymore since the update to version 3. On my phone and my wife’s phone the app launches, shows the “your new ViCare screen” for about five seconds and then quits. I have a iPhone XS running iOS 14.2. She has an iPhone 8 also running 14.2
Crashes on open
Open app, crashes on page 1 of 9 of tour
Problems...
I recently ran into a problem after I unselected the usage of Firebase tracking for the app. The app kept on giving me an error that there is a problem with my wifi, Internet, etc. when everything with my Internet connection was fine. After I deleted the app & reinstalled, everything worked fine (Firebase tracking checked by default). This was a last resort since I tried to activate the Firebase tracking & I still got the same error.
Vicare app USELESS Vitotrol plus BETTER
Application is useless, Vitotrol plus was a way much better, interface and settings are not user friendly, have no copy of the settings for the other days, need to input manually for each and every day. Not comfortable. Not recommended to use this app, or need a lot of upgrades for this version of vicare ...
Last update made a mess of the temperature scales
Doesn't respect app temperature settings. Displays in Fahrenheit but must be set in Celsius.
Domestic hot water is even more of a mess because of the different temperatures displayed in different scales.
This nonsense started with the last update. Not acceptable. I don't care what you do in the code but as a user I should only see the temperature scale I pick.
Domestic hot water is even more of a mess because of the different temperatures displayed in different scales.
This nonsense started with the last update. Not acceptable. I don't care what you do in the code but as a user I should only see the temperature scale I pick.
Lokal Weather
In the upper right corner of the app there is an icon with the local weather. After weeks of showing the weather from another continent something has changed for the better but there is still something wrong. For example today when it is raining it shows the sun
Another disastrous update
Since its original app, ViCare has had a remarkable history of introducing changes to the app that ruin the user experience. I’ve submitted reviews on many of these. But this one’s a doozy - the new update appears to switch the settings to heat and hot water off. So if you have automatic updates on your phone you may suddenly find that you have no heat or hot water. And that will likely lead you to suspect the app. But it’s only after talking to my service technician to find out why the boiler was off that we found that the app had shut it off. Way to go.
Heating curve
Still waiting on an update because I cannot adjust my heating curve on the app. It’s not there any longer.
Limited functionality
Very limited functionality… you should make more of the data available historically and graphically
app is useless, can’t control dhw or heating properly
Just installed a brand new gas heating unit. App says hot water is turned on, you take a shower… water is cold. Reset everything, now it says water is off, although on the unit it says it’s on… can’t turn it off from the app anymore. Turn on heating, turn off heating, turn it on again, doesn’t want to come on in the app, but you find out that on the unit it’s on and you can’t turn it off from the app anymore. Basically the one reason you buy their heating units, for the integrated wifi… and it doesn’t work. Not to mention hourly programming is completely disabled and you can’t change the factory settings. About 3 show-stopping bugs in less than a couple of days of usage.
Outdoor temp
Your new update has put my outdoor temp tracking in unavailable status. Tried rebooting but it won’t come back on.
Wrong language
The language in the activity feed screen in the latest update is now in German with no apparent option to turn it back to English.
Sentiment summary
89%
Positive (4-5★)
4%
Neutral (3★)
7%
Negative (1-2★)