Lots of great ideas and advice here. I was so excited to have our phones as presence sensors in SmartThings, and lik everyone else, so disappointed that it stopped working so quickly after setup.
I use Homebridge with our iPhones to trigger virtual switches based on location, and a TP-Link Deco M5 WiFi presence detection to activate a secondary virtual switch via IFTTT for each of us. When both are active, we are confirmed present and vice versa.
