Comparison

ZEHNDER Control vs Topomapviewer

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

Head to head
About

ZEHNDER Control

Control and program your Zehnder radiators directly from your smartphone or tablet using Bluetooth technology. Ensure a comfortable and healthy room climate with this energy-efficient solution.

Highlights
  • Bluetooth radiator programming
  • Smartphone and tablet control
  • Room climate management
  • Energy efficiency optimization
  • Comfortable living environment
Read full description

As a supplier of solutions to ensure a comfortable, healthy room climate, combining economy and superior energy efficiency, Zehnder gives you the option of using and programming your ZEHNDER radiators using Bluetooth technology from your smartphone and/or tablet. It is important to update your phone or tablet with the latest version of IoS to ensure the app works correctly.

About

Topomapviewer

Features
Read full description

The Topomapviewer is an application that allows you to view the standard topographic maps and aerial photographs of the National Geographic Institute of Belgium. Measure distances, print a pdf version, send comments about mistakes on the map. Import and share gpx trails and discover our beautiful country.

Screenshots

ZEHNDER Control1 screens
Topomapviewer4 screens

Verdict

The call

The clearest difference is update cadence: Topomapviewer at every 2 weeks against ZEHNDER Control's every 12 months. ZEHNDER Control's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support 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 Control ships an update every 12 months, Topomapviewer every 2 weeks. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 6 level
ZEHNDER Control versus Topomapviewer: the parameters behind the verdict, then further details
ParameterZEHNDER ControlTopomapviewer
PriceFreeFree
Positive reviews33.3% of reviews—
Update frequencyEvery 12 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size63 MB78 MB
Age rating4+4+
DeveloperZEHNDER GROUP FRANCENGI-IGN National Geograhical Institute of Belgium

In-app purchases

None

ZEHNDER Control

No in-app purchases

None

Topomapviewer

No in-app purchases

Questions

Is ZEHNDER Control free?
ZEHNDER Control is free to download, with no in-app purchases.
Is Topomapviewer free?
Topomapviewer is free to download, with no in-app purchases.
Do ZEHNDER Control or Topomapviewer have ads?
Neither ZEHNDER Control nor Topomapviewer shows ads.
Which is updated more often, ZEHNDER Control or Topomapviewer?
ZEHNDER Control ships an update every 12 months, and Topomapviewer every 2 weeks. Most recently, ZEHNDER Control was updated on October 13, 2026 and Topomapviewer on October 24, 2026.

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