Water Leak Sensors · Head to head

Aqara Water Leak Sensor vs Shelly Flood Gen4

Full Smart Water Leak Sensors comparison in 2026

Updated June 2026
Data from Amazon and official Aqara and Shelly sites.
2026 verdict
In this 2026 Shelly Flood Gen4 vs Aqara Water Leak Sensor comparison, Shelly Flood Gen4 comes out ahead thanks to warranty, connectivity, and integrations. Its clearest strengths are warranty, connectivity, and integrations, and it still looks stronger on sensors and alerts. There is still a case for Aqara Water Leak Sensor, but mainly if price and weather resistance is what you value most. That is enough to make Shelly Flood Gen4 the better pick for most buyers.
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FeatureAqara Water Leak SensorShelly Flood Gen4Winner
Price$18.99$39.99Aqara Water Leak Sensor
Warranty1 year3 yearsShelly Flood Gen4
Weather ResistanceIP67IP44Aqara Water Leak Sensor
ConnectivityZigbee2.4 GHz WiFi, Bluetooth, ZigbeeShelly Flood Gen4
IntegrationsApple HomeKit, Home Assistant, IFTTTGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterShelly Flood Gen4
SensorsWater LeakWater Leak, TemperatureShelly Flood Gen4
AlertsWater Leak Alerts, Low Battery AlertsWater Leak Alerts, Temperature Alerts, Freeze Temperature AlertsShelly Flood Gen4
On Device Alert SoundNOYESShelly Flood Gen4
On Device Alert LightNOYESShelly Flood Gen4
Rating4.24.2Tie
Battery Life2 years2 yearsTie

Frequently Asked Questions (FAQ)

Which is better overall: Aqara Water Leak Sensor or Shelly Flood Gen4?
Shelly Flood Gen4 has the stronger overall profile in this comparison, especially for warranty, connectivity, and integrations.
What is the biggest difference between Aqara Water Leak Sensor and Shelly Flood Gen4?
Price is one of the clearest differences: Aqara Water Leak Sensor lists $18.99, while Shelly Flood Gen4 lists $39.99.
Which one looks better on price?
Aqara Water Leak Sensor is listed at $18.99, while Shelly Flood Gen4 is listed at $39.99. Aqara Water Leak Sensor (better spec).
Who should buy Aqara Water Leak Sensor?
Choose Aqara Water Leak Sensor if your priority is price and weather resistance and that matters more than warranty.
Who should buy Shelly Flood Gen4?
Choose Shelly Flood Gen4 if your priority is warranty and connectivity and that matters more than price.
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