KNX vs ScreenTronic
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
ScreenTronic
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ScreenTronic by CONTROLtronic GmbH Blind Control from anywhere – at home, in office or on vacation! Control your blinds easily, intuitively and in real-time with the ScreenTronic® app on your iOS device. Whether you control the blinds in a complex office building, hotel room, hospital, conservatory or private home - the usability is extremely simple as long as you use the worldwide standard for home and building automation KNX* or the ScreenTronic® blind controls from CONTROLtronic with LAN interface. Blind control via graphical user interface as well as their configuration are both done completely within ScreenTronic® app. Imagine, you wake up and can lift the blinds automated to admire the view without the need of leaving your warm bed! Or think about burglary prevention by controlling your blinds from your holiday resort! Advantages: • Remote Control: Replace the conventional radio remote control with a smart solution. • ScreenControl: Blind Control Center for automatic shading and sun tracking (optional extension) • Weather station: Display and processing of weather data from a CONTROLtronic or KNX weather station • Timer: Time-controlled blind positions • Types: Sun protection, privacy protection, shading, shutter, roller blind, venetian blind and awning. • Comfort: The entire configuration and operation of the blinds is simple and completely handled within the app. • Control: Different blind control elements and their structure can be created by you. Blinds are controlled either via graphical representation for height and angle (value-driven) or command buttons to start, stop and step adjustment (event-driven). • Real-time: The blind position (height and slat angle) is displayed and updated on the surface via system status feedback. • Favorites: For quick access individual control groups can be defined as favorites. • Comfort Positions: Program your preferred blind positions as preconfigured positions for height and angle (up to 5 comfort positions per control group). • Projects, zones and control groups: There is no limitation on the number of projects, zones and control groups so the blind control structure is infinite. • Operation: Between zones and control groups can be changed quickly and easily by swiping the display of your device. • Communication: Comprehensive communication options allow an wide application range: • Direct with CT Smart Control of the ScreenTronic® blind controls with LAN interface. • Via KNX standard with KNX tunneling or KNX routing to all common KNX IP interfaces and KNX IP routers. • Connection: Connect your smart device via Wi-Fi or mobile networks (VPN) with the KNX IP Interface or KNX IP router or directly to the CONTROLtronic control system. • Project structure: The project control structure can be documented clearly as site-map which is convertible in PDF as well as exportable. • Replicability: All projects can be transferred via iTunes or email for backup and replication on other devices. • Compatibility: The ScreenTronic® app is compatible with iPhone, iPod Touch, iPad Mini, iPad, iPad Air and iPad Pro. The respective display size is optimally supported. For permanent use of the KNX connection a license is mandatory. Details see www.controltronic.com ScreenTronic®: one app - one function: BLIND CONTROL! *KNX is the worldwide standard for home and building control. There exist a variety of components from about 425 manufacturers worldwide. CONTROLtronic is a KNX member and KNX manufacturer, as well as ABB, Berker, Busch-Jaeger, Gira, Hager, Jung, Merten, Schneider, Somfy, Warema etc. KNX systems are installed by about 75,000 electricians and KNX partners in over 160 countries worldwide.
Screenshots
Verdict
The clearest difference is iOS requirement: KNX at 13.0 against ScreenTronic's 15.6. On price, update cadence, 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.
KNX ships an update every 9 months, ScreenTronic every 6 months. The most recent releases landed on October 10, 2026 and October 23, 2026 respectively.
| Parameter | KNX | ScreenTronic |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 9 months | Every 6 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 9 MB | 90 MB |
| Age rating | 4+ | 4+ |
| Developer | Feller AG | CONTROLtronic GmbH |
In-app purchases
KNX
No in-app purchases
ScreenTronic
No in-app purchases









