Does the IKEA STARKVIND work with HomeKit, Alexa, and Google Home?
The STARKVIND air purifier works on its own.
For app control, join it to the TRADFRI gateway or the DIRIGERA hub. Alexa, HomeKit and Google Home are reachable through the IKEA Home smart app. It suits HomeKit, Google Home and Alexa users through an integration (Zigbee). Home Assistant users reach it through an integration (a Matter bridge).
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.