How much does the app for controlling brennenstuhl®Connect WiFi products cost? Are there any monthly costs for its use? December 05, 2022 09:56 Updated The app is completely free for you and there are no monthly costs or basic fees for you! Related articles With which smartphones can I use the brennenstuhl®Connect app? How do I integrate brennenstuhl®Connect products into Amazon Alexa? Can the brennenstuhl®Connect Zigbee radiator thermostat HT CZ 01 measure the room temperature and not the temperature at the radiator? Setup: How do I start the learning mode/reset of the products with the item numbers 1294850 / 1294851? Can I program in the brennenstuhl®Connect app that several brennenstuhl®Connect WiFi LED spotlights light up when one detects movement?