Unfortunately, the product is not HomeKit compatible. With MyStrom, you always have to look on their homepage to see which product has the HomeKit logo. The switch switches scenes that have been created in the MyStrom app. It also switches devices from the MyStrom universe. If this device is in HomeKit, you can of course use it as a trigger for a HomeKit scene.
Cool element if you have a balcony PVA system. You can see the yield on the display