Water Leak Sensors · Head to head

Shelly Flood Gen4 vs YoLink Water Leak Sensor 1

Full Smart Water Leak Sensors comparison in 2026

Updated July 2026
Data from Amazon and official Shelly and YoLink sites.
2026 verdict
Across the 2026 comparison, Shelly Flood Gen4 earns the nod over YoLink Water Leak Sensor 1 on the strength of warranty, connectivity, and integrations. The comparison tilts its way because of warranty, connectivity, and integrations, with sensors and alerts keeping it in front. Choose YoLink Water Leak Sensor 1 only if price, rating, and weather resistance matter more to you than the broader advantage from Shelly Flood Gen4. For the average buyer, Shelly Flood Gen4 is the safer choice.
vs
FeatureShelly Flood Gen4YoLink Water Leak Sensor 1Winner
Price$39.99$16.99YoLink Water Leak Sensor 1
Rating4.34.6YoLink Water Leak Sensor 1
Warranty3 years2 yearsShelly Flood Gen4
Weather ResistanceIP44IP68YoLink Water Leak Sensor 1
Battery Life2 years5 yearsYoLink Water Leak Sensor 1
Connectivity2.4 GHz WiFi, Bluetooth, ZigbeeOtherShelly Flood Gen4
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterAlexa, Home Assistant, IFTTTShelly Flood Gen4
SensorsWater Leak, TemperatureWater LeakShelly Flood Gen4
AlertsWater Leak Alerts, Temperature Alerts, Freeze Temperature AlertsWater Leak Alerts, Low Battery AlertsShelly Flood Gen4
On Device Alert SoundYESNOShelly Flood Gen4
On Device Alert LightYESYESTie

Frequently Asked Questions

Which is better overall: Shelly Flood Gen4 or YoLink Water Leak Sensor 1?

Shelly Flood Gen4 has the stronger overall profile in this comparison, especially for warranty, connectivity, and integrations.

What is the biggest difference between Shelly Flood Gen4 and YoLink Water Leak Sensor 1?

Price is one of the clearest differences: Shelly Flood Gen4 lists $39.99, while YoLink Water Leak Sensor 1 lists $16.99.

Which one looks better on price?

Shelly Flood Gen4 is listed at $39.99, while YoLink Water Leak Sensor 1 is listed at $16.99. YoLink Water Leak Sensor 1 (better spec).

Who should buy Shelly Flood Gen4?

Choose Shelly Flood Gen4 if your priority is warranty and connectivity and that matters more than price.

Who should buy YoLink Water Leak Sensor 1?

Choose YoLink Water Leak Sensor 1 if your priority is price and rating and that matters more than warranty.

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