Shelly Flood vs X-Sense Wi-Fi Water Leak Detector

For a simple, loud, long-lasting leak alarm the X-Sense Wi-Fi Water Leak Detector wins on price, battery, warranty and a 110 dB siren. The Shelly Flood is the better pick for a Home Assistant home that also wants temperature sensing and no-app setup.

No. It has no on-device sound or light, so alerts come through the app and your automations. The X-Sense Wi-Fi Water Leak Detector sounds a 110 dB alarm from the detector.

The Shelly Flood connects directly to 2.4 GHz Wi-Fi and needs no hub. The X-Sense Wi-Fi Water Leak Detector requires its SBS50 base station, which holds the Wi-Fi connection.

The Shelly Flood, which doubles as a temperature sensor with temperature alerts. The X-Sense Wi-Fi Water Leak Detector detects water only.

The X-Sense Wi-Fi Water Leak Detector runs up to three years on AAA cells with a five-year warranty. The Shelly Flood is rated about 1.5 years on a CR123A that is not included, with a two-year warranty.

Buyers who want an inexpensive, loud leak alarm with a long battery and warranty, placed at sump pumps, water heaters or under appliances, and who do not need smart home integration.

Home Assistant and Google Home users who want a temperature-reporting leak sensor they can set up without an app, and who accept its quiet, app-only alerting.