ST4U vs Thinknx Trend
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
ST4U
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With the ST4U App we offer you the possibility to control and manage your Smart Home via your Smartphone. Brands such as Velbus, Niko, Philips, Sonos, etc. are supported. Our mission, vision and goal is to bring various brands together under 1 platform in order to arrive at 1 total concept. In addition, we also want to integrate devices or parts that are not yet 'Smart' in our platform, this can be done via home automation (e.g. Velbus) or a tailor-made solution. To ensure that you as a customer can use these devices optimally 'Smart', we have created our own platform for this, we call this platform ST4U, Smart things for you! We offer our own Cloud Service and hereby offer you an Application that you can use on Laptop, Tablet or Smartphone.
Thinknx Trend
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Thinknx Trendline is the app for controlling smart homes and building that rely on the powerful Trendline devices. Completely redesigned and distinguished by unique key features, this app allows a leap forward in terms of usability and appealing providing the building enhanced performances as well as much more power and flexibility. Features: - Completely customizable from system integrator and end-user - Fast and easy setup using the free ThinKnx Configurator - Unlimited number of KNX group addresses - Multiproject support - Secure connection thanks to encrypted stream - Comfortable and intuitive usage - Simple and attractive design Check list of the main software functions: - Management of complete home and building automation systems based on KNX - Lights (on/off command with % value, dimmer, new RGBW control with colors and sequences set by the user) - Awnings and any kind of motorized shutter/curtain - Climate and heating (manual or scheduled climate control) - Display weather data - Load control, water, gas, electricity - Create custom scenarios - HVAC control with desired thermal modality (comfort, standby, night) - Voice control function - Basic Logic - Boolean functions (AND, OR, NOT, NOR, NAND) and filters. - Advanced logical functions - Timed controls thanks to calendars and a lot of kind of timers - KNX bus monitor via web page - Smart Irrigation system - Integrated network Cameras with MJPEG or RTSP H264/H265 video flow - Integrated management of audio devices (Audiofy)
Screenshots
Verdict
The clearest difference is update cadence: ST4U at every 3 weeks against Thinknx Trend's every 16 months. Thinknx Trend's advantage is iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ST4U ships an update every 3 weeks, Thinknx Trend every 16 months. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.
| Parameter | ST4U | Thinknx Trend |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks โ better | Every 16 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 12.0 โ better |
| Further details โ not scored | ||
| Size | 35 MB | 212 MB |
| Age rating | 4+ | 4+ |
| Developer | HePoJ | LuForLu |
In-app purchases
ST4U
No in-app purchases
Thinknx Trend
No in-app purchases








