These products serve fundamentally different purposes and cannot be directly compared as substitutes. The ecobee Smart Thermostat Premium (released 2022-05, MSRP $249) provides air quality monitoring, radar sensing, and security hub functions while the Wyze Cam v4 (released 2024-03, MSRP $36) delivers 2.5K video with Wi-Fi 6 and spotlight. Neither replaces the other.