# Duux (Gen 1) vs Milieu App

Duux (Gen 1) and Milieu App are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Duux (Gen 1) ships an update every 6 weeks, Milieu App every 2 months. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Duux (Gen 1) | Milieu App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/duux-gen-1/id1474620119/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 63 MB | 38 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Duux B.V.](https://appshunter.io/developer/1474620118) | [Gemeenschappelijke regeling Geul en Maas](https://appshunter.io/developer/1739530516) |

## What reviewers say

### Duux (Gen 1)

[App page](https://appshunter.io/ios/app/duux-gen-1/id1474620119)

Control your indoor air quality from anywhere with this app. Monitor and adjust your smart air devices remotely, and use voice commands for hands-free operation. It prioritizes data security and privacy.

**Highlights:** Remote device control, Indoor air quality monitoring, Voice control integration, Smart solutions for healthier air, Data privacy and security

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Milieu App

[App page](https://appshunter.io/ios/app/milieu-app/id6480584975)

**In-app purchases:** none


## Frequently asked questions

### Is Duux (Gen 1) free?

Duux (Gen 1) is free to download, with no in-app purchases.

### Is Milieu App free?

Milieu App is free to download, with no in-app purchases.

### Do Duux (Gen 1) or Milieu App have ads?

Neither Duux (Gen 1) nor Milieu App shows ads.

### Which is updated more often, Duux (Gen 1) or Milieu App?

Duux (Gen 1) ships an update every 6 weeks, and Milieu App every 2 months. Most recently, Duux (Gen 1) was updated on November 3, 2026 and Milieu App on October 27, 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.*