Which is better, Flo by Moen Smart Water Detector or Samsung SmartThings Water Leak Sensor?

Based on our trust score analysis, Flo by Moen Smart Water Detector scores 9.4/10 compared to Samsung SmartThings Water Leak Sensor at 8.3/10. Flo by Moen Smart Water Detector ranks higher across expert reviews, user sentiment, and value metrics, making it the stronger choice overall.

What is the price difference between Flo by Moen Smart Water Detector and Samsung SmartThings Water Leak Sensor?

Flo by Moen Smart Water Detector is priced at $49.00 – $59.00 and Samsung SmartThings Water Leak Sensor is priced at $19.00 – $24.00. Flo by Moen Smart Water Detector is the more expensive option at $49.00 – $59.00, while Samsung SmartThings Water Leak Sensor comes in at $19.00 – $24.00.

Is Flo by Moen Smart Water Detector worth the extra money over Samsung SmartThings Water Leak Sensor?

Flo by Moen Smart Water Detector ($49.00 – $59.00) has a value score of 8.7/10 compared to Samsung SmartThings Water Leak Sensor ($19.00 – $24.00) at 8.8/10. Samsung SmartThings Water Leak Sensor offers better value for money despite the lower price point.

Home / Smart Water Sensors / Flo by Moen Smart Water Detector vs Samsung SmartThings Water Leak Sensor

Flo by Moen Smart Water Detector vs Samsung SmartThings Water Leak Sensor

Name: Samsung SmartThings Water Leak Sensor
Brand: Samsung
Rating: 4.3 (1 reviews)

Head-to-head comparison based on trust scores, features, pricing, and real user feedback.

Our pick: Flo by Moen Smart Water Detector (Trust Score 9.4 vs 8.3)

Flo by Moen Smart Water Detector

Moen

$49.00 – $59.00

9.4

Excellent

Best Overall

Pros

+Temperature and humidity monitoring
+Pairs with Flo auto shutoff valve
+5-year battery life

Cons

−Best features require Flo valve system
−Premium pricing per sensor

Don't buy if

⚠ The automatic water shutoff feature only works if you also install the Flo Smart Water Monitor valve on your main water line.

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Samsung SmartThings Water Leak Sensor

Samsung

$19.00 – $24.00

8.3

Good

Pros

+Full SmartThings ecosystem integration
+SmartThings ecosystem automation
+SmartThings ecosystem automation
+Compact fits tight spaces
+Optional extension cable for reach

Cons

−Requires SmartThings hub
−Requires SmartThings hub
−Requires SmartThings hub
−Zigbee range can be limited
−Battery life shorter than competitors

Don't buy if

⚠ SmartThings has transitioned hub requirements; verify your hub version supports the latest Zigbee sensors before purchasing.
⚠ The Zigbee connection requires a SmartThings hub within range — test signal strength at installation point.
⚠ The Zigbee connection requires a SmartThings hub within range — test signal strength at installation point.

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Score Comparison

Metric	Flo by Moen Smart Water Detector	Samsung SmartThings Water Leak Sensor
Trust Score	9.4 ✓	8.3
Expert Score	9.3 ✓	8.2
User Sentiment	9.4 ✓	8.3
Value Score	8.7	8.8 ✓
Complaint Risk	9.0	9.0
Price	$49.00 – $59.00	$19.00 – $24.00

The Verdict

Flo by Moen Smart Water Detector wins this comparison with a Trust Score of 9.4 vs 8.3. It's rated "Best Overall" and scores higher across the majority of our evaluation criteria. However, the Samsung SmartThings Water Leak Sensor may be a better fit depending on your specific priorities — check the pros and cons above.

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