Aeotec Multipurpose Sensor vs SwitchBot Contact Sensor

The SwitchBot Contact Sensor wins overall. It is the more affordable option, its AAA batteries are rated around 3 years against about 1 year for the Aeotec Multipurpose Sensor, and it adds motion and light sensing plus broad integrations. The Aeotec counters with a higher owner rating and temperature and vibration sensing.

What each one senses. The SwitchBot Contact Sensor is a 3-in-1 that detects contact, motion and ambient light, while the Aeotec Multipurpose Sensor detects contact plus temperature and vibration. Both need a hub for full integrations, but they cover different extra sensing.

The SwitchBot Contact Sensor does. Its two AAA cells are rated around 3 years, compared with about 1 year for the Aeotec Multipurpose Sensor's CR2450. If minimizing battery changes matters, SwitchBot is the choice.

Buy the Aeotec Multipurpose Sensor if you want a higher-rated sensor and specifically value temperature and vibration sensing for automations like appliance-done alerts. It suits SmartThings, Hubitat and Home Assistant users running a Zigbee hub.

Buy the SwitchBot Contact Sensor if you want a cheap, long-lasting sensor that also detects motion and light, and you use Home Assistant or plan to add a SwitchBot Hub for Alexa, Google, SmartThings, IFTTT and Matter. It is a versatile budget building block.