Comparison

Zehnder Connect vs ATTACK Condens

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Zehnder Connect

Control and manage your Zehnder radiators remotely from your smartphone or tablet. Optimize your home's thermal comfort and energy consumption with customizable schedules and settings.

Highlights
  • Remote radiator management
  • Customizable daily/weekly schedules
  • Personalize factory settings
  • Define custom scenarios (home, away, sleep)
  • Activate functions like pre-heating
  • Monitor room temperature
  • Open window detection
Features
Read full description

Zehnder, a leader in the field of indoor climate, offers you the possibility to use and manage easily and comfortably your Zehnder radiators through your Smartphone and/or Tablet. Download our simple, intuitive and convenient Zehnder Connect application now to manage your radiators remotely from anywhere in your home. A more intelligent and conscious management will allow you to optimize your thermal comfort and energy consumption at home. Your Smartphone and/or Tablet must be equipped with at least "Bluetooth Low Energy 4.0" technology. Supported products: β€’ Zenia β€’ All radiators with WIVAR II in combination with remote control β€œModel 1” β€’ All radiators with Immersion Heater Control (IHC) β€’ All radiators with Immersion Heater Design (IHD) β€’ ComfoSpot 50 / ComfoAir 70 / ComfoAir Fit 100 with radio module in combination with Zehnder Connect-Box A whole range of possibilities included: β€’ Creation of individualized daily and weekly schedules β€’ Personalization of factory predefined settings β€’ Definition of different scenarios (e.g.: at home, away, sleep, etc.) and absence planner β€’ Remote activation from specific functionalities (e.g.: pre-heating mode, open window detection, room temperature, etc.)

About

ATTACK Condens

Read full description

Discover the ATTACK solution to control your boiler via app. ATTACK Condens is simple to use and allows to manage your system when you are away from home, ensuring maximum comfort and maximum energy savings. SAVE ENERGY TO HEAT YOUR HOME You can change the temperature remotely from your smartphone. Programming via remote control allows you to manage the system according to your daily habits, so as to heat your home only when necessary. In the event of unforeseen circumstances or sudden changes in your habits, thanks to ATTACK Condens, you can act in real time on the heating to make sure you return to a warm home. TAILOR-MADE DHW COMFORT Directly from your smartphone, set the ideal water temperature with a click before bathing or showering for a tailor-made comfort according to your needs. EVERYTHING UNDER CONTROL Check the status of your boiler at any time: CH flow temperature, burner operating power, room temperature, system pressure (where available) and DHW set temperature. In the event of malfunctions, you can view the alarm codes in real time in order to promptly act, in some cases even remotely. MAXIMUM FLEXIBILITY You can change the configuration, both in heating and DHW, directly from your smartphone for the desired lapse of time: once this time has elapsed, everything will return as pre-set from Remote Control. This application, together with ATTACK Condens kit, must be combined with ATTACK remote control with climatic regulator. With just one APP you can monitor one or more homes. Download ATTACK Condens: your ideal comfort at your smartphone! Find out more about ATTACK products on www.attack.sk

Screenshots

Zehnder Connect4 screens
ATTACK Condens4 screens

Verdict

The call

The clearest difference is update cadence: Zehnder Connect at every 4 months against ATTACK Condens's every 15 months. Zehnder Connect also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Zehnder Connect ships an update every 4 months, ATTACK Condens every 15 months. The most recent releases landed on October 14, 2026 and October 18, 2026 respectively.

Scorecard2 real differences Β· 6 level
Zehnder Connect versus ATTACK Condens: the parameters behind the verdict, then further details
ParameterZehnder ConnectATTACK Condens
PriceFreeFree
Positive reviews0.0% of reviewsβ€”
Update frequencyEvery 4 months β€” betterEvery 15 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeβ€”
DevicesiPhone, iPad, iPod β€” betteriPhone, iPod
Requires iOS13.0 β€” better15.0
Further details β€” not scored
Size38 MB12 MB
Age rating4+4+
DeveloperZehnder Group AGBertell & Partners

In-app purchases

None

Zehnder Connect

No in-app purchases

None

ATTACK Condens

No in-app purchases

Questions

Is Zehnder Connect free?
Zehnder Connect is free to download, with no in-app purchases.
Is ATTACK Condens free?
ATTACK Condens is free to download, with no in-app purchases.
Do Zehnder Connect or ATTACK Condens have ads?
Neither Zehnder Connect nor ATTACK Condens shows ads.
Which is updated more often, Zehnder Connect or ATTACK Condens?
Zehnder Connect ships an update every 4 months, and ATTACK Condens every 15 months. Most recently, Zehnder Connect was updated on October 14, 2026 and ATTACK Condens on October 18, 2026.

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