Comparison

Liebherr SmartDevice vs Duux

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

Head to head
About

Liebherr SmartDevice

Control your connected Liebherr refrigerator or freezer remotely. Receive alerts for open doors, manage drink chilling times, and activate special modes like NightMode for dimmed interior lighting. Access appliance information and exclusive promotions.

Highlights
  • Remote appliance control
  • Door open alerts
  • BottleTimer for drinks
  • NightMode for dimmed lighting
  • Appliance status monitoring
  • Access to accessories and promotions
Features
Read full description

SMARTDEVICE APP: THE COMPANION FOR YOUR LIEBHERR. With the SmartDevice app from Liebherr, you always have a reliable partner for your refrigerator or freezer at your side. Register your appliance, get information, e.g. about accessories or control your connected appliance from anywhere. Everything in a single app. FOR MORE COMFORT IN YOUR EVERYDAY LIFE Via the SmartDevice app you are always connected to your Liebherr. View the current status of your appliance and control practical functions on the go to make your everyday life easier. The door alarm reminds you when the fridge door is still open and, thanks to the integrated BottleTimer, also about the drinks in the freezer compartment. This makes burst bottles a thing of the past. Or activate NightMode before going to bed, if you're drawn to the fridge every now and then at night as well. The interior of your refrigerator is illuminated only with dimmed light. That way, you won't wake up from half-sleep and can get back to bed quickly after your midnight snack. THE MOST IMPORTANT FUNCTIONS AT A GLANCE: + Controlling your connected refrigerator or freezer. + Getting alarms e.g. when the door is open + Linking with Amazon Alexa and Google Assistant + Additional Information e.g. about accessories or storage locations + Tips and Tricks + Exclusive promotions The available functionality depends on your appliance type and country. Want to find out more? Discover further functions directly in the Liebherr SmartDevice app.

About

Duux

Control and monitor your smart air treatment devices from anywhere. Schedule operations, adjust settings, and ensure optimal air quality for a healthier living environment. Experience a smarter, more connected home.

Highlights
  • Real-time device monitoring
  • Easy scheduling of operations
  • Remote control from anywhere
  • Intuitive user interface
  • Manage air treatment devices
Features
Read full description

Welcome to the future of air treatment with Duux Smart, your ultimate companion for creating a comfortable and healthy living environment. Our app is designed to bring convenience and innovation right to your fingertips, allowing you to seamlessly connect and manage your Duux devices. With Duux Smart, you have the power to monitor your devices in real-time, ensuring optimal air quality and device performance at all times. The app's intuitive design allows for easy scheduling of operations, matching your lifestyle and ensuring your home is always welcoming. Remote control capabilities mean you can adjust settings, switch modes, and manage your devices from anywhere, offering both convenience and peace of mind. Our user-friendly interface makes controlling sophisticated air treatment simple, making it accessible to everyone. Why choose Duux Smart? It's not just about controlling your devices; it's about enhancing your living space and promoting a healthier, happier home. Download Duux Smart now and transform your approach to air treatment. Breathe easy and enjoy a smarter, more connected home.

Screenshots

Liebherr SmartDevice4 screens
Duux4 screens

Verdict

The call

The clearest difference is rating: Duux at 4.7 against Liebherr SmartDevice's 1.7. Duux also leads on review sentiment (29% vs 21%). Liebherr SmartDevice's advantage is monetization model (free vs ad-supported). On price, ratings volume, 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.

ReceptionRating · Positive reviews · Number of ratings

Duux holds the better App Store score, 4.7 against 1.7. Both are backed by a comparable volume of ratings — 42 and 15 respectively. Written reviews point the same way: 21% of Liebherr SmartDevice's written reviews are positive against 29% of Duux's.

UpkeepUpdate frequency

Liebherr SmartDevice ships an update fortnightly, Duux monthly. The most recent releases landed on October 13, 2026 and October 16, 2026 respectively.

Scorecard3 real differences · 7 level
Liebherr SmartDevice versus Duux: the parameters behind the verdict, then further details
ParameterLiebherr SmartDeviceDuux
PriceFreeFree
Rating1.7 (42 ratings)4.7 (15 ratings) — better
Positive reviews21.0% of reviews29.4% of reviews — better
Number of ratings42 — better15
Update frequencyFortnightly — betterMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.1 — better
Further details — not scored
Size85 MB122 MB
Age rating4+4+
DeveloperLiebherr Hausgeräte GmbHDuux B.V.

Customer experience

Liebherr SmartDevice

All ratings42 ratings
Positive14.3%
Neutral4.8%
Negative81.0%
Written reviews200 reviews
Positive21.0%
Neutral8.5%
Negative70.5%

Duux

All ratings15 ratings
Positive86.7%
Neutral6.7%
Negative6.7%
Written reviews160 reviews
Positive29.4%
Neutral9.4%
Negative61.3%

Bugs and requests

Liebherr SmartDevice

Not enough reviews yet to summarise bugs or requests.

Duux

Reported bugs

5 issues
  • App frequently loses connection with device
  • App unable to find or add device
  • App UI and functionality regressed with updates
  • Devices randomly disconnecting from WiFi
  • App login/registration issues

Requested features

5 requests
  • Add ability to edit schedules
  • Implement away mode or low temperature setting
  • Allow rearranging of rooms in app
  • Add more scheduling options and flexibility
  • Improve Alexa/Google Home integration

In-app purchases

None

Liebherr SmartDevice

No in-app purchases

None

Duux

No in-app purchases

Questions

Is Liebherr SmartDevice free?
Liebherr SmartDevice is free to download, with no in-app purchases.
Is Duux free?
Duux is free to download, with no in-app purchases.
Which has better reviews, Liebherr SmartDevice or Duux?
Duux is rated higher. Liebherr SmartDevice averages 1.7 out of 5 from 42 ratings, while Duux averages 4.7 from 15 ratings.
Do Liebherr SmartDevice or Duux have ads?
Neither Liebherr SmartDevice nor Duux shows ads.
Which is updated more often, Liebherr SmartDevice or Duux?
Liebherr SmartDevice ships an update fortnightly, and Duux monthly. Most recently, Liebherr SmartDevice was updated on October 13, 2026 and Duux on October 16, 2026.

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