Eve Door & Window vs Sonoff SenseGuard DW Gen2

Sonoff SenseGuard DW Gen2 on value and endurance: three year AAA batteries, tamper and low-battery alerts and 90 days of history at a lower price. Eve Door & Window wins on integrations, supporting Matter over Thread with Apple HomeKit, Alexa, Google Home, SmartThings and Home Assistant.

Only Eve Door & Window, which speaks Matter over Thread and pairs with HomeKit using an Apple TV or HomePod as the border router, with no Eve hub needed. Sonoff SenseGuard DW Gen2 is Zigbee and has no HomeKit and no Matter support at all.

Eve Door & Window needs a Thread border router such as an Apple TV, HomePod or Matter hub, which is not obvious from the packaging. Sonoff SenseGuard DW Gen2 needs a Zigbee coordinator, which can be SmartThings, a Sonoff dongle running Zigbee2MQTT or ZHA in Home Assistant.

Sonoff SenseGuard DW Gen2 is rated at about three years on two AAA cells. Eve Door & Window is rated at eleven months on its included half-AA ER14250 lithium cell, although many owners report better real-world life. The AAA cells are far cheaper and easier to find.

Sonoff SenseGuard DW Gen2 includes a tamper alert plus low-battery warnings and 90 days of history logging. Eve Door & Window reports open and close only, with no tamper alert documented, though its Thread connection is praised for never dropping off the network.

Apple Home users and anyone building on Matter over Thread who wants a sensor that stays connected and can be paired to HomeKit and Home Assistant simultaneously. To cover many entry points cheaply on Zigbee, with tamper alerts and long AAA life, Sonoff SenseGuard DW Gen2 is the better value.