Comparison

Zehnder Connect vs Terma Smart

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

Terma Smart

Control your smart heating system remotely. Create custom heating zones, set weekly schedules, and optimize energy usage with features like location-based heating and holiday mode.

Highlights
  • Remote Wi-Fi control
  • Independent heating zones
  • Weekly scheduling
  • SMART location mode
  • Energy consumption statistics
  • Parental control
  • Holiday and dryer modes
Features
Read full description

The Terma SMART application controls the Terma SMART WiFi smart heating system. The application and all devices included in the system communicate using Wi-Fi technology and a standard router. The Terma Smart application allows you to divide the facility into independent heating zones and adjust the temperature in each of them. The system provides full control, automation and energy savings thanks to advanced functions such as: β€’ SMART location mode turning on heating when the user approaches the house, β€’ programming weekly schedules, β€’ early start option, β€’ holiday mode, β€’ dryer mode, β€’ parental control, β€’ statistics for temperature, humidity and energy consumption The system includes heating devices (electric radiators, thermostatic heads and electric heating elements), as well as temperature and humidity sensors and window opening sensors.

Screenshots

Zehnder Connect4 screens
Terma Smart4 screens

Verdict

The call

The clearest difference is iOS requirement: Zehnder Connect at 13.0 against Terma Smart's 15.0. On price, review sentiment, update cadence and ads 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, Terma Smart every 5 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard1 real difference Β· 7 level
Zehnder Connect versus Terma Smart: the parameters behind the verdict, then further details
ParameterZehnder ConnectTerma Smart
PriceFreeFree
Positive reviews0.0% of reviews0.0% of reviews
Update frequencyEvery 4 months β€” betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 β€” better15.0
Further details β€” not scored
Size38 MB48 MB
Age rating4+4+
DeveloperZehnder Group AGTerma

Customer experience

Zehnder Connect

Written reviews9 reviews
Positive0.0%
Neutral11.1%
Negative88.9%

Terma Smart

Written reviews12 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Zehnder Connect

No in-app purchases

None

Terma Smart

No in-app purchases

Questions

Is Zehnder Connect free?
Zehnder Connect is free to download, with no in-app purchases.
Is Terma Smart free?
Terma Smart is free to download, with no in-app purchases.
Do Zehnder Connect or Terma Smart have ads?
Neither Zehnder Connect nor Terma Smart shows ads.
Which is updated more often, Zehnder Connect or Terma Smart?
Zehnder Connect ships an update every 4 months, and Terma Smart every 5 months. Most recently, Zehnder Connect was updated on November 2, 2026 and Terma Smart on November 3, 2026.

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