Comparison

KNX vs nomos system

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

Head to head
About

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.

Highlights
  • Intuitive operating concept
  • Scene call via widget
  • Rapid navigation
  • Personalized settings
  • Freely definable scenes
  • Intelligent self-configuration
  • Remote control in WiFi networks
Features
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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

About

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.

Highlights
  • Universal device compatibility
  • Control smart home products
  • IoT platform for automation
  • Supports multiple protocols
  • Voice service integration
  • Remote access
Features
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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

KNX4 screens
nomos system4 screens

Verdict

The call

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

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

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.

UpkeepUpdate frequency

KNX ships an update every 9 months, nomos system weekly. The most recent releases landed on June 24, 2026 and September 16, 2026 respectively.

Scorecard3 real differences · 7 level
KNX versus nomos system: the parameters behind the verdict, then further details
ParameterKNXnomos system
PriceFreeFree
Rating5.0 (1 ratings)5.0 (3 ratings)
Positive reviews—0.0% of reviews
Number of ratings13 — better
Update frequencyEvery 9 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS13.0 — better17.0
Further details — not scored
Size9 MB57 MB
Age rating4+4+
DeveloperFeller AGnomos system

Customer experience

KNX

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

nomos system

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

KNX

No in-app purchases

None

nomos system

No in-app purchases

Questions

Is KNX free?
KNX is free to download, with no in-app purchases.
Is nomos system free?
nomos system is free to download, with no in-app purchases.
Which has better reviews, KNX or nomos system?
KNX and nomos system are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.
Do KNX or nomos system have ads?
Neither KNX nor nomos system shows ads.
Which is updated more often, KNX or nomos system?
KNX ships an update every 9 months, and nomos system weekly. Most recently, KNX was updated on June 24, 2026 and nomos system on September 16, 2026.

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