Aqara Door and Window Sensor P2 vs Sonoff DW2-WIFI

The Sonoff DW2-WIFI on value, costing less than half as much with a slightly better owner rating and no hub required. The Aqara Door and Window Sensor P2 wins on integrations, adding Apple HomeKit, Samsung SmartThings and Matter.

Only the Aqara Door and Window Sensor P2, which supports Apple HomeKit and Samsung SmartThings as well as Matter, Google Home, Alexa, Home Assistant and IFTTT. The Sonoff DW2-WIFI covers Google Home, Alexa, Home Assistant and IFTTT.

The Sonoff DW2-WIFI connects directly to Wi-Fi with no hub. The Aqara Door and Window Sensor P2 runs Matter over Thread, so it needs a Thread border router, which many people already have in a modern speaker or hub.

Thread sensors like the Aqara Door and Window Sensor P2 are generally kinder to batteries than Wi-Fi sensors, since the radio wakes briefly rather than maintaining a Wi-Fi association. That is worth weighing if you are fitting many sensors.

It depends on your priority. The Sonoff DW2-WIFI is much cheaper per opening, but many Wi-Fi sensors add load to your router. The Aqara Door and Window Sensor P2 on Thread scales more gracefully across a lot of devices.

Buyers running Apple HomeKit, SmartThings or a Matter over Thread setup, who want the widest compatibility and a sensor that scales well across many doors and windows.

Buyers who want to cover doors and windows as cheaply as possible with no hub at all, and who only need Google Home, Alexa, Home Assistant or IFTTT.