# Liebherr SmartDevice vs Duux

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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.

Liebherr SmartDevice ships an update fortnightly, Duux monthly. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Liebherr SmartDevice | Duux |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (42 ratings)](https://appshunter.io/ios/app/liebherr-smartdevice/id1551140942/reviews) | **[4.7 (15 ratings)](https://appshunter.io/ios/app/duux/id1627712939/reviews)** |
| Number of ratings | **42** | 15 |
| Positive reviews | 21.0% of reviews | **29.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | **Free** | Ad-supported |
| Size | 85 MB | 122 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Liebherr Hausgeräte GmbH](https://appshunter.io/developer/385527843) | [Duux B.V.](https://appshunter.io/developer/1474620118) |

## What reviewers say

### Liebherr SmartDevice

[App page](https://appshunter.io/ios/app/liebherr-smartdevice/id1551140942)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Duux

[App page](https://appshunter.io/ios/app/duux/id1627712939)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Heater works well and warms room quickly
- 👍 Slick design and intuitive app
- 👍 Excellent user experience
- 🚀 Powerful and effective
- 👍 Recommended product

**What reviewers complain about**

- 🐛 App is buggy and unreliable
- 🐛 Frequent disconnections and connection issues
- 🐛 App is useless, doesn't work as advertised
- 🐛 App is outdated and lacks functionality
- 🐛 App is terrible, freezes device

**Reported bugs**

- 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**

- 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


## Frequently asked 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 17, 2026 and Duux on October 16, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*