Water Leak Sensors · Head to head

Flume 2 Smart Water Monitor vs X-Sense 2-in-1 Wi-Fi Water Leak & Freeze Detector

Full Smart Water Leak Sensors comparison in 2026

Data from Amazon and official Flume and X-Sense sites.
2026 verdict
Whole-house meter or a spot puck? For this water leak sensor comparison, the X-Sense 2-in-1 Wi-Fi Water Leak & Freeze Detector comes out ahead on the more affordable price, a wider sensor set and more alert types.
X-Sense 2-in-1 Wi-Fi Water Leak & Freeze Detector
Winner
X-Sense 2-in-1 Wi-Fi Water Leak & Freeze Detector
$14.99$17.9917% OFF

Last recorded price

Buy on Amazon USA
The Flume 2 Smart Water Monitor remains the better fit when the stronger owner reviews, broader connectivity and broader smart home integrations is the priority. Buy the X-Sense 2-in-1 Wi-Fi Water Leak & Freeze Detector to watch one fixture with a 110 dB siren; buy the Flume 2 Smart Water Monitor when the leak could be anywhere on the property and you already use Google Home.
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FeatureFlume 2 Smart Water MonitorX-Sense 2-in-1 Wi-Fi Water Leak & Freeze DetectorWinner
Rating4.03.0Flume 2 Smart Water Monitor
Connectivity2.4 GHz WiFi, Other2.4 GHz WiFiFlume 2 Smart Water Monitor
IntegrationsGoogle Home, Home AssistantNoneFlume 2 Smart Water Monitor
SensorsWater LeakWater Leak, TemperatureX-Sense 2-in-1 Wi-Fi Water Leak & Freeze Detector
AlertsWater Leak Alerts, Low Battery AlertsWater Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Low Battery AlertsX-Sense 2-in-1 Wi-Fi Water Leak & Freeze Detector
On Device Alert SoundNOYESX-Sense 2-in-1 Wi-Fi Water Leak & Freeze Detector
Weather ResistanceYESIP66Tie
Flume

Flume 2 Smart Water Monitor

Prime exclusive deal

Last recorded priceOct 1, 2026$199.00

Currently unavailable on Amazon USA
See on Amazon USA
  • + Rating: 4.0
  • + Connectivity: 2.4 GHz WiFi, Other
  • + Integrations: Google Home, Home Assistant
  • - Sensors: Water Leak vs Water Leak, Temperature
  • - Alerts: Water Leak Alerts, Low Battery Alerts vs Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Low Battery Alerts
Winner
X-Sense

X-Sense 2-in-1 Wi-Fi Water Leak & Freeze Detector

17% OFF
Prime exclusive deal
$14.99
$17.99

Last recorded price

Buy on Amazon USA
  • + Sensors: Water Leak, Temperature
  • + Alerts: Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Low Battery Alerts
  • + On Device Alert Sound: YES
  • - Rating: 3.0 vs 4.0
  • - Connectivity: 2.4 GHz WiFi vs 2.4 GHz WiFi, Other

Price history compared

Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.

  • Flume 2 Smart Water Monitor
  • X-Sense 2-in-1 Wi-Fi Water Leak & Freeze Detector

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Frequently Asked Questions

Which water leak sensor should I buy: Flume 2 Smart Water Monitor or X-Sense 2-in-1 Wi-Fi Water Leak & Freeze Detector?

The X-Sense 2-in-1 Wi-Fi Water Leak & Freeze Detector is better overall, winning on the more affordable price, a wider sensor set and more alert types. The Flume 2 Smart Water Monitor still leads on the stronger owner reviews and broader connectivity.

How do the Flume 2 Smart Water Monitor and the X-Sense 2-in-1 Wi-Fi Water Leak & Freeze Detector actually differ?

The structural gap is that the X-Sense 2-in-1 Wi-Fi Water Leak & Freeze Detector brings six probes, freeze alerts at 39 F and a 110 dB siren on hub-free 2.4 GHz Wi-Fi, while the Flume 2 Smart Water Monitor is a direct 2.4 GHz Wi-Fi water leak sensor with third-party smart home support.

Which has the longer warranty, the Flume 2 Smart Water Monitor or the X-Sense 2-in-1 Wi-Fi Water Leak & Freeze Detector?

The Flume 2 Smart Water Monitor is covered for ?, against 5 years on the X-Sense 2-in-1 Wi-Fi Water Leak & Freeze Detector.

Which of the Flume 2 Smart Water Monitor and the X-Sense 2-in-1 Wi-Fi Water Leak & Freeze Detector works with more smart home platforms?

The Flume 2 Smart Water Monitor reaches Google Home, Home Assistant. The X-Sense 2-in-1 Wi-Fi Water Leak & Freeze Detector has no third-party smart home integrations and stays in its own app.

Who should buy the Flume 2 Smart Water Monitor?

Buyers who specifically want the stronger owner reviews and broader connectivity, even though the X-Sense 2-in-1 Wi-Fi Water Leak & Freeze Detector wins overall.

Who should buy the X-Sense 2-in-1 Wi-Fi Water Leak & Freeze Detector?

Most people comparing these two water leak sensors, because the X-Sense 2-in-1 Wi-Fi Water Leak & Freeze Detector wins on the more affordable price and a wider sensor set.

Full comparison table

Compare all 34 Water Leak Sensors side by side

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  • 34 Water Leak Sensors
  • 36 specs compared
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