Does the Shelly Outdoor Plug S Gen3 work with HomeKit, Alexa, and Google Home?
The Shelly Outdoor Plug S Gen3 is a Schuko smart plug that is weather-protected (IP44).
It measures power and supports Matter. It suits Google Home, Alexa and SmartThings users through an integration (the maker's cloud). Home Assistant users reach it through an integration (local Wi-Fi control).
How the device gets into the platform on this route. The headline is the best route: local before cloud, direct before bridged, core before community. The methodology page lists every level.