Question 1

Which is better, Flo by Moen Smart Water Monitor or YoLink Water Leak Sensor 4?

Accepted Answer

Based on our testing, the YoLink Water Leak Sensor 4 scores higher overall at 9.2/10. The Flo by Moen Smart Water Monitor scored 9.1/10 and the YoLink Water Leak Sensor 4 scored 9.2/10 in our Best Smart Leak Detectors 2026 evaluation.

Question 2

Is the Flo by Moen Smart Water Monitor worth it over the YoLink Water Leak Sensor 4?

Accepted Answer

The Flo by Moen Smart Water Monitor scores 9.1/10 while the YoLink Water Leak Sensor 4 scores 9.2/10. The Flo by Moen Smart Water Monitor is our "Best Whole Home" pick in the Best Smart Leak Detectors 2026 category.

Flo by Moen Smart Water Monitor vs YoLink Water Leak Sensor 4: Which to Buy?