# KNX APP vs QROPEN

The clearest difference is update cadence: QROPEN at every 2 weeks against KNX APP's every 5 months. KNX APP's advantage is device support (4 vs 2). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

KNX APP ships an update every 5 months, QROPEN every 2 weeks. The most recent releases landed on October 18, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | KNX APP | QROPEN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/knx-app-control/id1099217049/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 26.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 105 MB | 6 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Busch-Jaeger Elektro GmbH](https://appshunter.io/developer/542311466) | [勇 唐](https://appshunter.io/developer/1531655037) |

## What reviewers say

### KNX APP

[App page](https://appshunter.io/ios/app/knx-app-control/id1099217049)

Control your home or office remotely with custom scenes and time programs. Manage lighting, temperature, security, and more. Offers live previews, camera control, and push notifications for alarms.

**Highlights:** Custom scene creation, Time program management, Lighting and blind control, Temperature management, IP camera pan, tilt, zoom, Alarm notifications, PIN page protection

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### QROPEN

[App page](https://appshunter.io/ios/app/qropen/id1540717342)

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

**In-app purchases:** none


## Frequently asked questions

### Is KNX APP free?

KNX APP is free to download, with no in-app purchases.

### Is QROPEN free?

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

### Do KNX APP or QROPEN have ads?

Neither KNX APP nor QROPEN shows ads.

### Which is updated more often, KNX APP or QROPEN?

KNX APP ships an update every 5 months, and QROPEN every 2 weeks. Most recently, KNX APP was updated on October 18, 2026 and QROPEN on October 12, 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.*