Brands · Head to head

Kidde vs Shelly

Comparing both brands side by side, ratings, catalog size and every product, so you can see which fits your smart home better.

Updated October 2026
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Kidde logo
KiddeUnited States flagUnited States
3.8/5
Average rating

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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VS
Shelly logo
ShellyBulgaria flagBulgaria
Higher rated
4.4/5
Average rating

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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