Comparison

Zehnder Connect vs tekmarNet

Price, ratings, monetisation and update history for both apps, side by side — 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: • Zenia • All radiators with WIVAR II in combination with remote control “Model 1” • All radiators with Immersion Heater Control (IHC) • All radiators with Immersion Heater Design (IHD) • ComfoSpot 50 / ComfoAir 70 / ComfoAir Fit 100 with radio module in combination with Zehnder Connect-Box A whole range of possibilities included: • Creation of individualized daily and weekly schedules • Personalization of factory predefined settings • Definition of different scenarios (e.g.: at home, away, sleep, etc.) and absence planner • Remote activation from specific functionalities (e.g.: pre-heating mode, open window detection, room temperature, etc.)

About

tekmarNet

This app provides remote access to HVAC systems, allowing users to monitor and adjust thermostat settings like temperature and humidity. It also displays boiler system data and can graph or export system information. Receive email or text notifications for errors and warnings.

Highlights
  • Remote thermostat control
  • View boiler system data
  • Temperature and humidity adjustment
  • System data graphing
  • Export data to CSV
  • Email/text error notifications
Features
Read full description

The tekmarNet® mobile app allows remote access to an HVAC system when installed with a tekmarNet® Gateway 486. Users can view and change settings for each thermostat, including: temperature, heat/cool/auto, fan operation, relative humidity, schedules, and the away scene. In addition, the boiler system temperatures, firing rate, run times, and pump status can be viewed. All system data can be graphed on a chart or exported to a CSV file. Users are informed of errors and warnings through email or text notifications. The 486 includes three alert inputs that can be used to monitor auxiliary equipment.

Screenshots

Zehnder Connect4 screens
tekmarNet4 screens

Verdict

The call

The clearest difference is monetization model: Zehnder Connect at free against tekmarNet's ad-supported. On price, review sentiment, update cadence and ads 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

CostPrice · In-app purchases · Ads · 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, tekmarNet every 3 months. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.

Scorecard1 real difference · 9 level
Zehnder Connect versus tekmarNet: the parameters behind the verdict, then further details
ParameterZehnder ConnecttekmarNet
PriceFreeFree
Rating—1.5 (15 ratings) — better
Positive reviews0.0% of reviews0.0% of reviews
Number of ratings—15 — better
Update frequencyEvery 4 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size38 MB119 MB
Age rating4+4+
DeveloperZehnder Group AGWatts Water Technologies

Customer experience

Zehnder Connect

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

tekmarNet

All ratings13 ratings
Positive0.0%
Neutral23.1%
Negative76.9%
Written reviews9 reviews
Positive0.0%
Neutral33.3%
Negative66.7%

In-app purchases

None

Zehnder Connect

No in-app purchases

None

tekmarNet

No in-app purchases

Questions

Is Zehnder Connect free?
Zehnder Connect is free to download, with no in-app purchases.
Is tekmarNet free?
tekmarNet is free to download, with no in-app purchases.
Do Zehnder Connect or tekmarNet have ads?
Neither Zehnder Connect nor tekmarNet shows ads.
Which is updated more often, Zehnder Connect or tekmarNet?
Zehnder Connect ships an update every 4 months, and tekmarNet every 3 months. Most recently, Zehnder Connect was updated on November 2, 2026 and tekmarNet on November 6, 2026.

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