Water Leak Sensors · Head to head

Aqara Water Leak Sensor vs Moen Smart Leak Detector

Full Smart Water Leak Sensors comparison in 2026

Updated September 2026
Data from Amazon and official Aqara and Moen sites.
2026 verdict
Leak-only Zigbee versus Wi-Fi with freeze alerts: the Moen Smart Leak Detector is the better overall water leak sensor, winning on sensors, alerts, an on-device siren and an alert light.
Moen Smart Leak Detector
Winner
Moen Smart Leak Detector
$51.00$54.877% OFF
Buy on Amazon USACheck price
It watches temperature as well as water and includes a remote sensing cable. The Aqara Water Leak Sensor stays the cheaper, better-reviewed IP67 Zigbee disc, but it needs an Aqara hub for HomeKit and has no freeze alerts or local alarm. Pick the Moen Smart Leak Detector for hub-free freeze coverage; pick the Aqara Water Leak Sensor for a tiny leak-only puck in an Aqara Zigbee home.
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FeatureAqara Water Leak SensorMoen Smart Leak DetectorWinner
Price$18.99$51.00Aqara Water Leak Sensor
Rating4.23.3Aqara Water Leak Sensor
SensorsWater LeakWater Leak, TemperatureMoen Smart Leak Detector
AlertsWater Leak Alerts, Low Battery AlertsWater Leak Alerts, Temperature Alerts, Freeze Temperature AlertsMoen Smart Leak Detector
On Device Alert SoundNOYESMoen Smart Leak Detector
On Device Alert LightNOYESMoen Smart Leak Detector
Warranty1 year1 yearTie
Weather ResistanceIP67IP67Tie
Battery Life2 years2 yearsTie
ConnectivityZigbee2.4 GHz WiFiTie
IntegrationsApple HomeKit, Home AssistantAlexa, Home AssistantTie

Frequently Asked Questions

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

The Moen Smart Leak Detector is the better overall water leak sensor. It wins on sensors, alerts, on-device alert sound and on-device alert light. The Aqara Water Leak Sensor wins on price and owner rating.

Does the Aqara Water Leak Sensor detect freeze risk?

No. The Aqara Water Leak Sensor is leak-only. The Moen Smart Leak Detector adds a temperature sensor with temperature and freeze-temperature alerts.

Does the Aqara Water Leak Sensor need a hub?

Yes. The Aqara Water Leak Sensor is Zigbee and needs a hub (and an Aqara Hub for HomeKit). The Moen Smart Leak Detector joins 2.4 GHz Wi-Fi directly.

Who should buy the Moen Smart Leak Detector?

Buy the Moen Smart Leak Detector for hub-free Wi-Fi leak, temperature and freeze alerts with a local siren, an LED and a sensing cable.

Who should buy the Aqara Water Leak Sensor?

Buy the Aqara Water Leak Sensor if you want a cheaper IP67 leak-only Zigbee disc for an Aqara or Home Assistant hub.

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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