KNX vs nomos system
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KNX
Transform your smartphone or tablet into a comprehensive remote control for your home or office building functions. Easily manage lights, shutters, climate, and more with an intuitive interface. Personalize settings like function names and symbols for a tailored experience.
- Intuitive operating concept
- Scene call via widget
- Rapid navigation
- Personalized settings
- Freely definable scenes
- Intelligent self-configuration
- Remote control in WiFi networks
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Note: This app can only be used in conjunction with the discontinued KNX/App interface V1. The app will remain available for approximately 2 more years. ***The modern type of remote control*** The innovative Feller KNX app turns smartphones and tablets into a remote control for all building functions. Thanks to its clear and easy to understand intuitive operating concept, lights, shutters, climate and much more can be controlled very simply. The user can adapt the KNX app to their individual needs, for example, rename functions or assign appropriate symbols etc. Fast navigation is guaranteed by favorites, function groups and rooms. ***Purpose*** The KNX app is used as a remote control in homes and to control functions in individual rooms or whole parts of the building. In offices, meeting rooms or training rooms, the new KNX app can be used to conveniently control presentations when combined with a tablet. In hotels, guests can, for example, control the functions in their hotel room using their own mobile device. ***App features*** • Easy, intuitive KNX app operating concept • Scene call via widget • Rapid navigation through favourites, rooms or functions • Saves time through personal settings, such as function names, symbols, order • Saves costs thanks to freely definable scenes • Saves costs thanks to intelligent self-configuration when you first start up the KNX app. • Remote control in WiFi networks (remote access in planning) • Demo version, runs without the KNX/app interface ***Hardware features*** • Simple product concept • KNX/app interface to connect app to LAN and KNX • Fast configuration within ETS4 (no plug-in!) • 12 rooms can be configured with 12 functions each • Does not require much space in the control cabinet 2TE • Supports a max. of 5 access at the same time • 5 different user rights • chargeable, available from your electrican, E-No 405 831 000 ***Operating systems*** • iOS 8 and higher ***Formats*** • iPhone / iPod Touch: portrait • iPad: portrait and landscape ***More Informations*** • http://www.feller.ch/Produktangebot/Gebaeudeautomation/Gebaeudeautomation-KNX • http://clixx.feller.ch/download/index.php?menueidLev1=279&menueidLev2=327
nomos system
Unify your smart home devices from various manufacturers into a single, intuitive application. Control lighting, climate, security, and more, regardless of brand or location, with this comprehensive IoT platform.
- Universal device compatibility
- Control smart home products
- IoT platform for automation
- Supports multiple protocols
- Voice service integration
- Remote access
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Connect the world your way. All you need is ONE app for your smart home. With the nomos system app and nomos system Controller hardware you control your smart home products regardless of the manufacturer and device type. No matter where you are. The nomos engine is an IoT platform for home and industrial automation. It combines various system and control protocols so that they can be operated together. These include free@home, Husqvarna/Gardena, KNX, Lutron, Matter, Miele, Netatmo, Nuki, Philips Hue, Sonos, Somfy, Wiser by Feller, Zeptrion, ZigBee, Z-Wave and many more. In addition, nomos system supports common voice services such as Alexa and Google Home. (nomos system Controller hardware is required!)
Screenshots
Verdict
The clearest difference is update cadence: nomos system at weekly against KNX's every 9 months. nomos system also leads on ratings volume (3 vs 1). KNX's advantage is iOS requirement (13.0 vs 17.0). On price, rating, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for KNX against 5.0 for nomos system. Both are backed by a comparable volume of ratings — 1 and 3 respectively.
KNX ships an update every 9 months, nomos system weekly. The most recent releases landed on June 24, 2026 and September 16, 2026 respectively.
| Parameter | KNX | nomos system |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (3 ratings) |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 9 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 9 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | Feller AG | nomos system |
Customer experience
KNX
nomos system
In-app purchases
KNX
No in-app purchases
nomos system
No in-app purchases





