I have not read the specification of matter (which is a joint standard). But Apple‘s custom HomeKit protocol was designed to work without any cloud service by d

I have not read the specification of matter (which is a joint standard). But Apple‘s custom HomeKit protocol was designed to work without any cloud service by design. I use it without any cloud control, i won‘t be able to control my heater or light from on the go but because of WiFi without any central at my home.