Water Leak Sensors · Head to head

Shelly Flood vs YoLink Water Leak Sensor 4

Full Smart Water Leak Sensors comparison in 2026

Updated June 2026
Data from Amazon and official Shelly and YoLink sites.
2026 verdict
Between YoLink Water Leak Sensor 4 and Shelly Flood, YoLink Water Leak Sensor 4 is the better overall pick in 2026, leading on price, rating, and weather resistance. The comparison tilts its way because of price, rating, and weather resistance, with battery life and alerts keeping it in front. Shelly Flood is still relevant if you care most about integrations, but YoLink Water Leak Sensor 4 is the stronger recommendation overall. That is enough to make YoLink Water Leak Sensor 4 the better pick for most buyers.
FeatureShelly FloodYoLink Water Leak Sensor 4Winner
Price$24.99$23.99YoLink Water Leak Sensor 4
Rating3.84.8YoLink Water Leak Sensor 4
Weather ResistanceNOIP66YoLink Water Leak Sensor 4
Battery Life1.5 years5 yearsYoLink Water Leak Sensor 4
IntegrationsGoogle Home, Alexa, Samsung SmartThings, Home AssistantAlexa, Home Assistant, IFTTTShelly Flood
AlertsWater Leak Alerts, Temperature Alerts, Freeze Temperature AlertsWater Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Low Battery AlertsYoLink Water Leak Sensor 4
On Device Alert SoundNOYESYoLink Water Leak Sensor 4
On Device Alert LightNOYESYoLink Water Leak Sensor 4
Warranty2 years2 yearsTie
Connectivity2.4 GHz WiFiOtherTie
SensorsWater Leak, TemperatureWater Leak, TemperatureTie

Frequently Asked Questions

Which is better overall: Shelly Flood or YoLink Water Leak Sensor 4?

YoLink Water Leak Sensor 4 has the stronger overall profile in this comparison, especially for price, rating, and weather resistance.

What is the biggest difference between Shelly Flood and YoLink Water Leak Sensor 4?

Price is one of the clearest differences: Shelly Flood lists $24.99, while YoLink Water Leak Sensor 4 lists $23.99.

Which one looks better on price?

Shelly Flood is listed at $24.99, while YoLink Water Leak Sensor 4 is listed at $23.99. YoLink Water Leak Sensor 4 (better spec).

Who should buy Shelly Flood?

Choose Shelly Flood if your priority is integrations and that matters more than price.

Who should buy YoLink Water Leak Sensor 4?

Choose YoLink Water Leak Sensor 4 if your priority is price and rating and that matters more than integrations.

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