Water Leak Sensors · Head to head

Meross Smart Water Leak Sensor vs Moen Smart Leak Detector

Full Smart Water Leak Sensors comparison in 2026

Updated September 2026
Data from Amazon and official Meross and Moen sites.
2026 verdict
HomeKit leak disc versus Wi-Fi freeze alerts: the Moen Smart Leak Detector is the better overall water leak sensor, winning on 2-year battery life, sensors, alerts and an on-device alert light.
Moen Smart Leak Detector
Winner
Moen Smart Leak Detector
$51.00$54.877% OFF
Buy on Amazon USACheck price
It watches temperature and freeze risk on hub-free Wi-Fi. The Meross Smart Water Leak Sensor stays cheaper, better reviewed and stronger on integrations, with native HomeKit, SmartThings and Home Assistant through a Meross hub, but it is leak-only with a 1.5-year battery and no LED. Pick the Moen Smart Leak Detector for freeze coverage on Wi-Fi; pick the Meross Smart Water Leak Sensor for a HomeKit leak puck if you already own that hub.
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FeatureMeross Smart Water Leak SensorMoen Smart Leak DetectorWinner
Price$23.99$51.00Meross Smart Water Leak Sensor
Rating3.73.3Meross Smart Water Leak Sensor
Battery Life1.5 years2 yearsMoen Smart Leak Detector
IntegrationsApple HomeKit, Samsung SmartThings, Home AssistantAlexa, Home AssistantMeross Smart Water Leak Sensor
SensorsWater LeakWater Leak, TemperatureMoen Smart Leak Detector
AlertsWater Leak AlertsWater Leak Alerts, Temperature Alerts, Freeze Temperature AlertsMoen Smart Leak Detector
On Device Alert LightNOYESMoen Smart Leak Detector
Warranty1 year1 yearTie
Weather ResistanceIP67IP67Tie
ConnectivityOther2.4 GHz WiFiTie
On Device Alert SoundYESYESTie

Frequently Asked Questions

Which is better overall: Meross Smart Water Leak Sensor or Moen Smart Leak Detector?

The Moen Smart Leak Detector is the better overall water leak sensor. It wins on battery life, sensors, alerts and an on-device alert light. The Meross Smart Water Leak Sensor wins on price, rating and integrations.

Does the Meross Smart Water Leak Sensor need a hub?

Yes. The Meross Smart Water Leak Sensor uses Sub-1G and requires a Meross Smart Wi-Fi Hub. The Moen Smart Leak Detector joins 2.4 GHz Wi-Fi directly.

Which sensor works with Apple HomeKit?

The Meross Smart Water Leak Sensor supports Apple HomeKit. The Moen Smart Leak Detector does not.

Who should buy the Moen Smart Leak Detector?

Buy the Moen Smart Leak Detector for hub-free Wi-Fi leak and freeze alerts with a 2-year battery, an LED and Alexa.

Who should buy the Meross Smart Water Leak Sensor?

Buy the Meross Smart Water Leak Sensor if you already have a Meross hub and want an IP67 leak-only sensor with native HomeKit, SmartThings and Home Assistant.

Full comparison table

Compare all 32 Water Leak Sensors side by side

You are looking at two of them. The full table lines up all Water Leak Sensors in the catalog with the same specs, so you can filter by what you need and sort by price or rating.

  • 32 Water Leak Sensors
  • 36 specs compared
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