Kidde vs Shelly 2026: Smart Home Comparison

United States

4.0/5

Average rating

Websitewww.kidde.com

Kidde is an American fire safety manufacturer founded in 1917 and one of the largest makers of residential smoke and carbon monoxide alarms. Alongside its traditional hardwired and battery alarms it sells a connected range that adds Wi-Fi, app notifications and voice alerts, including combination units that also monitor indoor air quality and models that report into the Ring app. It also makes fire extinguishers, escape ladders and water leak and freeze detectors.

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Shelly

Bulgaria

Higher rated

4.4/5

Average rating

Websitewww.shelly.com

Twitter@shelly_IoT

AmazonVisit Store

Shelly, based in Bulgaria, makes compact smart relays, switches, plugs and sensors that fit behind existing wall switches and outlets to automate almost any home wiring. Its devices are popular with advanced users for offering local control, a built-in web interface, MQTT and broad integration with Home Assistant, Alexa and Google Home. Shelly is a favorite for retrofitting smart control without replacing fixtures.

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