Arlo All-in-One Sensor vs Shelly Flood

The Shelly Flood wins overall, with a lower price, a longer warranty, and native WiFi connectivity supporting Google Home, Alexa, and SmartThings. The Arlo All-in-One Sensor carries the higher owner rating and more built-in sensor types.

Connectivity and sensing. The Shelly Flood connects directly over WiFi with no hub and supports Samsung SmartThings, while the Arlo All-in-One Sensor works through the Arlo Security System and adds a tilt sensor alongside water-leak and temperature detection.

The Arlo All-in-One Sensor does, combining water-leak, temperature, and tilt sensing. The Shelly Flood covers water-leak and temperature but has no tilt sensor.

Yes, it does, along with Google Home and Alexa. The Arlo All-in-One Sensor supports Google Home and Alexa but not Samsung SmartThings.

DIY smart home users, especially Home Assistant or SmartThings households, who want a cheaper, longer-warrantied, hub-free WiFi sensor.

Buyers who want the higher-rated, more sensor-packed unit and are already invested in the Arlo ecosystem.