ComfoControl vs Slim SaltWatch
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ComfoControl
Control your home ventilation system remotely or locally. Get alerts for filter changes and monitor system data. Installers can set up units and provide remote support.
- Remote and local system control
- Filter change assistant
- Ventilation unit data overview
- Installer setup and commissioning
- Remote customer support
- Firmware updates
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The Zehnder ComfoControl App offers: - Convenient local and remote control of your ComfoAir Q and ComfoAir Flex* ventilation system - A filter change assistant - A comprehensive overview of data from the ventilation unit, sensors and connected devices - For installers: easy set-up and commissioning of ComfoAir Q and ComfoAir Flex* ventilation systems - For registered installers: Providing remote support to customers and firmware updates of ventilation units * not available in all markets Are you interested in additional features such as voice control and a dashboard? Sign up for the beta program: https://www.international.zehnder-systems.com/connected-products
Slim SaltWatch
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Gebruik de Slim SaltWatch app & apparaat om jouw waterontharder in de gaten te houden. Blijf op de hoogte van de hoeveelheid zout in je ontharder en vergeet nooit meer bij te vullen.
Screenshots
Verdict
The clearest difference is update cadence: Slim SaltWatch at every 3 weeks against ComfoControl's every 4 months. ComfoControl'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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ComfoControl ships an update every 4 months, Slim SaltWatch every 3 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.
| Parameter | ComfoControl | Slim SaltWatch |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (6 ratings) — better | — |
| Positive reviews | 60.0% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 4 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 33 MB | 146 MB |
| Age rating | 4+ | 4+ |
| Developer | Zehnder Group AG | Vincent Baalmans |
In-app purchases
ComfoControl
No in-app purchases
Slim SaltWatch
No in-app purchases
Questions
Is ComfoControl free?
Is Slim SaltWatch free?
Do ComfoControl or Slim SaltWatch have ads?
Which is updated more often, ComfoControl or Slim SaltWatch?
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