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 Starter Kit on the strength of price, warranty, and connectivity. It builds its lead on price, warranty, and connectivity, then backs it up with a stronger showing on integrations and sensors. You should still consider YoLink Water Leak Starter Kit if rating, weather resistance, and battery life matter more than raw overall balance. That is why Shelly Flood Gen4 wins the verdict here.
| Feature | Shelly Flood Gen4 | YoLink Water Leak Starter Kit | Winner |
|---|---|---|---|
| Price | $39.99 | $54.99 | Shelly Flood Gen4 |
| Rating | 4.3 | 4.6 | YoLink Water Leak Starter Kit |
| Warranty | 3 years | 2 years | Shelly Flood Gen4 |
| Weather Resistance | IP44 | IP68 | YoLink Water Leak Starter Kit |
| Battery Life | 2 years | 5 years | YoLink Water Leak Starter Kit |
| Connectivity | 2.4 GHz WiFi, Bluetooth, Zigbee | Other | Shelly Flood Gen4 |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Alexa, Home Assistant, IFTTT | Shelly Flood Gen4 |
| Sensors | Water Leak, Temperature | Water Leak | Shelly Flood Gen4 |
| Alerts | Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts | Water Leak Alerts, Low Battery Alerts | Shelly Flood Gen4 |
| On Device Alert Sound | YES | NO | Shelly Flood Gen4 |
| On Device Alert Light | YES | YES | Tie |
Winner
$39.99
- + Price: $39.99
- + Warranty: 3 years
- + Connectivity: 2.4 GHz WiFi, Bluetooth, Zigbee
- - Rating: 4.3 vs 4.6
- - Weather Resistance: IP44 vs IP68
21% OFF
$54.99
$69.99
- + Rating: 4.6
- + Weather Resistance: IP68
- + Battery Life: 5 years
- - Price: $54.99 vs $39.99
- - Warranty: 2 years vs 3 years
Frequently Asked Questions
Which is better overall: Shelly Flood Gen4 or YoLink Water Leak Starter Kit?
Shelly Flood Gen4 has the stronger overall profile in this comparison, especially for price, warranty, and connectivity.
What is the biggest difference between Shelly Flood Gen4 and YoLink Water Leak Starter Kit?
Price is one of the clearest differences: Shelly Flood Gen4 lists $39.99, while YoLink Water Leak Starter Kit lists $54.99.
Which one looks better on price?
Shelly Flood Gen4 is listed at $39.99, while YoLink Water Leak Starter Kit is listed at $54.99. Shelly Flood Gen4 (better spec).
Who should buy Shelly Flood Gen4?
Choose Shelly Flood Gen4 if your priority is price and warranty and that matters more than rating.
Who should buy YoLink Water Leak Starter Kit?
Choose YoLink Water Leak Starter Kit if your priority is rating and weather resistance and that matters more than price.
