Comparison

CFX vs VELUX ACTIVE with NETATMO

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

Head to head
About

CFX

Monitor and control your compatible fridge/freezer remotely via Wi-Fi. Adjust temperatures, manage power sources, set alarms, and receive alerts for lid openings. Ideal for managing your portable cooling device from a distance.

Highlights
  • Remote temperature control and monitoring
  • Turn fridge/freezer on/off
  • Set battery protection level
  • Select temperature units (°C/°F)
  • Set temperature alarms
  • View power source (AC/DC)
  • Lid open alerts
Features
Read full description

Total CFX monitoring and control at your fingertips! The CFX APP can be used to monitor and control your CFX fridge/freezer from a distance providing you can connect your IPhone to the CFX using Wi-Fi connection. Use the CFX APP to: • Control and monitor temperatures remotely (Wi-Fi connection, distance depends on environment) • Turn on and off the CFX and/or individual compartments • Set your battery protection level • Select temperature unit (°C or °F) • Set temperature alarm (+/-3°C or +/-5°C) • See what power source your CFX is running on – AC or DC • See what the supply voltage level is if running on DC • See whenever your CFX lid is open, and be alerted if open for >3mins. • Change Wi-Fi name and password The CFX APPs works for the following set of CFX models; CFX35W, CFX40W, CFX50W, CFX65W, CFX95DZW and CFX100W. A quick connection guide is available in order to quickly get you connected and started with your CFX APP.

About

VELUX ACTIVE with NETATMO

Automate your electric roof windows, blinds, and shutters using smart sensors for temperature, humidity, and air quality. Monitor and control your home's indoor climate remotely and receive alerts. Features include an air quality dashboard, remote control via app or voice, and a convenient departure remote.

Highlights
  • Automated roof window control
  • Sensor-based climate monitoring
  • Remote and voice control
  • Indoor climate dashboard
  • Departure scene automation
  • Easy installation
Features
Read full description

VELUX ACTIVE with NETATMO is the first smart home automated control of electric roof windows, blinds and shutters. ROOF WINDOWS CONTROLLED BY SENSOR TECHNOLOGY Smart sensors measure the temperature, humidity and air quality to automatically open or close your roof windows, blinds and shutters. The solution ensures healthier indoor climate while saving energy. INDOOR CLIMATE CONTROL You can remotely monitor and control your home’s indoor climate with key indexes for temperature, humidity and air quality, and receive alerts on your Smartphone when automatic regulation is on-going. AIR QUALITY DASHBOARD Track your indoor climate with individual temperature, humidity and Co2 dashboards. Click on the parameter, to see details about your indoor climate right now, within the last 24 hours, 7 days and 30 days. REMOTE AND VOICE CONTROL Whenever you want, wherever you are, you can use the App, Apple HomeKit, Siri voice assistant or dedicated smart remotes to open and close your electric VELUX INTEGRA roof windows, blinds and shutters. AN EASY EXIT Placed at the front door, the wireless departure remote adds a layer of convenience to leaving the house. Pressing the remote activates a preset departure sequence, closing all the smart roof windows throughout your home and activating the secured ventilation mode. The same departure scene exists in the App. EASY INSTALLATION This solution comes pre-programmed and ready to operate, autonomously and dynamically. It is compatible with motorized VELUX INTEGRA roof windows including ones that have already been installed. Even a manual roof window can be compatible by adding a retrofit motor.

Screenshots

CFX4 screens
VELUX ACTIVE with NETATMO4 screens

Verdict

The call

The clearest difference is review sentiment: VELUX ACTIVE with NETATMO at 67% against CFX's 11%. VELUX ACTIVE with NETATMO also leads on rating (4.1 vs 1.2) and ratings volume (498 vs 119). CFX's advantage is update cadence (weekly vs every 2 months) and iOS requirement (9.3 vs 17.0). On price, ads, in-app purchases and monetization model 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.

ReceptionRating · Positive reviews · Number of ratings

VELUX ACTIVE with NETATMO holds the better App Store score, 4.1 against 1.2. Both are backed by a comparable volume of ratings — 119 and 498 respectively. Written reviews point the same way: 11% of CFX's written reviews are positive against 67% of VELUX ACTIVE with NETATMO's.

UpkeepUpdate frequency

CFX ships an update weekly, VELUX ACTIVE with NETATMO every 2 months. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
CFX versus VELUX ACTIVE with NETATMO: the parameters behind the verdict, then further details
ParameterCFXVELUX ACTIVE with NETATMO
PriceFreeFree
Rating1.2 (119 ratings)4.1 (498 ratings) — better
Positive reviews10.9% of reviews67.2% of reviews — better
Number of ratings119498 — better
Update frequencyWeekly — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS9.3 — better17.0
Further details — not scored
Size16 MB294 MB
Age rating4+4+
DeveloperDometic Group ABVELUX

Customer experience

CFX

All ratings117 ratings
Positive3.4%
Neutral4.3%
Negative92.3%
Written reviews129 reviews
Positive10.9%
Neutral6.2%
Negative82.9%

VELUX ACTIVE with NETATMO

All ratings481 ratings
Positive78.8%
Neutral2.1%
Negative19.1%
Written reviews601 reviews
Positive67.2%
Neutral7.8%
Negative25.0%

User reviews

CFX

From 119 App Store ratings

What we love

  • ✅ Simple and intuitive interface when working
  • 🎯 Effective temperature and settings control
  • ⚡ Quick setup for some users
  • 📱 Basic functionality operates as designed

Room to improve

  • 🐛 WiFi connection fails consistently
  • 🐛 Bluetooth pairing not recognized
  • 🐛 App stuck on connection guide screen
  • 🐛 App freezes at startup
  • 📵 WiFi connection disables cellular/internet access

VELUX ACTIVE with NETATMO

From 498 App Store ratings

What we love

  • 🚀 Easy to use
  • 👍 Convenient remote control
  • 🚀 Reliable connectivity
  • 👍 Helpful automation features
  • 👍 Integrates with HomeKit

Room to improve

  • 🐛 Frequent disconnections
  • 🐛 Buggy app and unreliable performance
  • 🔒 Poor security and privacy
  • 👎 Complicated setup process
  • 👎 Lack of features and customization

Bugs and requests

CFX

Reported bugs

15 issues
  • App does not recognize WiFi connection despite phone showing connected
  • Bluetooth search fails to detect cooler
  • App stuck on connection guide as only available option
  • App crashes on startup
  • App freezes during setup process
Show 10 more
  • Cannot get past step 3 of setup
  • Temperature slider snaps back to 0 when setting negative values
  • Plus/minus buttons don't work consistently
  • App crashes when attempting WiFi connection
  • WiFi drops in and out intermittently
  • App doesn't appear in phone settings
  • Voltage readings significantly inaccurate (0.2-0.6V lower than actual)
  • App incompatible with newer iOS versions
  • App incompatible with newer iPhone models
  • Wrong app being promoted (should be 'Mobile Cooling' app instead)

Requested features

7 requests
  • Bluetooth connectivity option
  • Apple Watch app integration
  • Better visual indicators for fridge section status
  • Improved temperature slider with precise control
  • Battery consumption tracking
Show 2 more
  • Current draw monitoring
  • Automatic WiFi connection without manual setup

VELUX ACTIVE with NETATMO

Reported bugs

4 issues
  • App crashes and freezes
  • Inability to detect and pair devices
  • Automations not working as expected
  • Incorrect weather data and sensor readings

Requested features

5 requests
  • Alexa and Google Home integration
  • Ability to set custom open/close schedules
  • Improved automation options based on weather, temperature, etc.
  • Landscape mode support for iPad
  • Battery level indicators for devices

In-app purchases

None

CFX

No in-app purchases

None

VELUX ACTIVE with NETATMO

No in-app purchases

Questions

Is CFX free?
CFX is free to download, with no in-app purchases.
Is VELUX ACTIVE with NETATMO free?
VELUX ACTIVE with NETATMO is free to download, with no in-app purchases.
Which has better reviews, CFX or VELUX ACTIVE with NETATMO?
VELUX ACTIVE with NETATMO is rated higher. CFX averages 1.2 out of 5 from 119 ratings, while VELUX ACTIVE with NETATMO averages 4.1 from 498 ratings.
Do CFX or VELUX ACTIVE with NETATMO have ads?
Neither CFX nor VELUX ACTIVE with NETATMO shows ads.
Which is updated more often, CFX or VELUX ACTIVE with NETATMO?
CFX ships an update weekly, and VELUX ACTIVE with NETATMO every 2 months. Most recently, CFX was updated on October 22, 2026 and VELUX ACTIVE with NETATMO on October 24, 2026.

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