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Brands · Head to head

First Alert vs Phyn

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
First Alert logo
First AlertUnited States flagUnited States
3.5/5
Average rating

First Alert is an American home safety brand owned by BRK Brands, specializing in smoke alarms, carbon monoxide detectors, fire extinguishers and combination smoke and CO alarms. Its smart lineup includes Wi-Fi connected smoke and CO alarms that send mobile alerts and work with Google Home, managed through the First Alert app. First Alert focuses on reliable, widely certified fire and CO safety products for the home.

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VS
Phyn logo
PhynUnited States flagUnited States
Higher rated
3.6/5
Average rating
Websitephyn.com
Twitter@phyn

Phyn is an American smart water company, created in 2016 as a joint venture between Belkin International and Uponor, that makes whole-home water monitoring and shutoff devices. Its products read pressure and flow on the main line, learn the home's normal water use, detect leaks and plumbing problems, and can close the supply automatically. They connect over Wi-Fi with no hub and work with Alexa, Google Assistant and IFTTT, with water use reporting by fixture in the Phyn app.

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