Does the IKEA TOFSMYGGA work with HomeKit, Alexa, and Google Home?
The TOFSMYGGA outdoor plug speaks Matter over Thread.
For app control you need a Thread border router and a Matter controller. It is black, has two separately controlled outlets and is rated IP65. It suits HomeKit, Google Home, Alexa, SmartThings and Home Assistant users, with native support through Matter over Thread.
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.