Comparison

KNX vs i3 KNX

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
Read full description

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

i3 KNX

Control your KNX smart home, office, or hotel automation system from a single interface. Integrate cameras, intercoms, and multimedia for comprehensive management. Create timers, schedules, and utilize voice control for seamless automation.

Highlights
  • KNX system integration
  • Camera and intercom integration
  • Timer and schedule creation
  • Voice control capabilities
  • Secure remote access
  • Fast project setup
Features
Read full description

i3 KNX is an app to control KNX Home Server, a home automation server, that controls smart home, office and hotel or another automation object based on KNX system. i3 KNX allows to integrate control of KNX professional automation systems cameras, SIP intercoms and multimedia in one app and one interface. Main capabilities of KNX Home Server: 1. Integration with KNX. 2. Fast project creation. 3. Secure remote control. 4. Integration with cameras, intercom. 5. Creating timers and schedules. 6. Voice control. We'll gladly answer your questions, if you send them to support@iridiummobile.ru

Screenshots

KNX4 screens
i3 KNX4 screens

Verdict

The call

The clearest difference is update cadence: i3 KNX at every 2 months against KNX's every 9 months. i3 KNX also leads on iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and monetization model 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.

UpkeepUpdate frequency

KNX ships an update every 9 months, i3 KNX every 2 months. The most recent releases landed on October 10, 2026 and October 16, 2026 respectively.

Scorecard2 real differences · 8 level
KNX versus i3 KNX: the parameters behind the verdict, then further details
ParameterKNXi3 KNX
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews—0.0% of reviews
Number of ratings1 — better—
Update frequencyEvery 9 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.011.0 — better
Further details — not scored
Size9 MB53 MB
Age rating4+4+
DeveloperFeller AGiRidium Ltd.

Customer experience

KNX

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

i3 KNX

Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

KNX

No in-app purchases

None

i3 KNX

No in-app purchases

Questions

Is KNX free?
KNX is free to download, with no in-app purchases.
Is i3 KNX free?
i3 KNX is free to download, with no in-app purchases.
Do KNX or i3 KNX have ads?
Neither KNX nor i3 KNX shows ads.
Which is updated more often, KNX or i3 KNX?
KNX ships an update every 9 months, and i3 KNX every 2 months. Most recently, KNX was updated on October 10, 2026 and i3 KNX on October 16, 2026.

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