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 My set timers still work, but are no longer displayed! Do the brennenstuhl®Connect products have an MQTT or HTTP interface? Do the brennenstuhl®Connect products offer timer functions? With which smartphones can I use the brennenstuhl®Connect app? Is there an application for the computer for the brennenstuhl®Connect products?