Updated September 2026
Data from Amazon and official Kidde and X-Sense sites.
2026 verdict
Near twins on leak and freeze. 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 5-year warranty and IP66 weather sealing.
The Kidde WiFi Water Leak & Freeze Detector remains the better fit when the stronger owner reviews and broader smart home integrations is the priority. The X-Sense 2-in-1 Wi-Fi Water Leak & Freeze Detector is the cheaper water leak sensor with IP66 sealing and a 5-year warranty; the Kidde WiFi Water Leak & Freeze Detector is the one that actually talks to Alexa, Google Home and Home Assistant.
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Winner
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| Feature | Kidde WiFi Water Leak & Freeze Detector | X-Sense 2-in-1 Wi-Fi Water Leak & Freeze Detector | Winner |
|---|---|---|---|
| Price | $18.43 | $14.99 | X-Sense 2-in-1 Wi-Fi Water Leak & Freeze Detector |
| Rating | 4.0 | 3.7 | Kidde WiFi Water Leak & Freeze Detector |
| Warranty | 1 year | 5 years | X-Sense 2-in-1 Wi-Fi Water Leak & Freeze Detector |
| Weather Resistance | NO | IP66 | X-Sense 2-in-1 Wi-Fi Water Leak & Freeze Detector |
| Integrations | Google Home, Alexa, Home Assistant | None | Kidde WiFi Water Leak & Freeze Detector |
| Connectivity | 2.4 GHz WiFi | 2.4 GHz WiFi | Tie |
| Sensors | Water Leak, Temperature | Water Leak, Temperature | Tie |
| Alerts | Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Low Battery Alerts | Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Low Battery Alerts | Tie |
| On Device Alert Sound | YES | YES | Tie |
| On Device Alert Light | NO | NO | Tie |
$18.43
- + Rating: 4.0
- + Integrations: Google Home, Alexa, Home Assistant
- - Price: $18.43 vs $14.99
- - Warranty: 1 year vs 5 years
Winner
17% OFF
$14.99
$17.99
- + Price: $14.99
- + Warranty: 5 years
- + Weather Resistance: IP66
- - Rating: 3.7 vs 4.0
- - Integrations: None vs Google Home, Alexa, Home Assistant
Frequently Asked Questions
Which water leak sensor should I buy: Kidde WiFi Water Leak & Freeze Detector 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 5-year warranty and IP66 weather sealing. The Kidde WiFi Water Leak & Freeze Detector still leads on the stronger owner reviews and broader smart home integrations.
How do the Kidde WiFi Water Leak & Freeze Detector 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 Kidde WiFi Water Leak & Freeze Detector is a direct 2.4 GHz Wi-Fi water leak sensor with third-party smart home support.
Which has the longer warranty, the Kidde WiFi Water Leak & Freeze Detector or the X-Sense 2-in-1 Wi-Fi Water Leak & Freeze Detector?
The X-Sense 2-in-1 Wi-Fi Water Leak & Freeze Detector is covered for 5 years, against 1 year on the Kidde WiFi Water Leak & Freeze Detector.
Which of the Kidde WiFi Water Leak & Freeze Detector and the X-Sense 2-in-1 Wi-Fi Water Leak & Freeze Detector works with more smart home platforms?
The Kidde WiFi Water Leak & Freeze Detector reaches Google Home, Alexa, 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 Kidde WiFi Water Leak & Freeze Detector?
Buyers who specifically want the stronger owner reviews and broader smart home integrations, 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 5-year warranty.
Full comparison table
Compare all 32 Water Leak Sensors side by side
You are looking at two of them. The full table lines up all Water Leak Sensors in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 32 Water Leak Sensors
- 36 specs compared
- 33 filters
YoLinkWater Leak Sensor 4
17% OFF$23.99$19.99
ShellyFlood S Gen4
$27.99
YoLinkWater Leak Sensor 1
10% OFF$16.99$15.29
X-SenseWi-Fi Water Leak Detector
$15.99
TP-LinkTapo T300
15% OFF$19.99$16.99
SwitchBotWater Leak Detector
$16.99
AeotecWater Leak Sensor
$39.99
EufyWater and Freeze Sensor
$34.99
EveWater Guard
$109.95
AqaraWater Leak Sensor T1
GoveeWater Leak Detector 2
$69.99
SwitchBotWater Leak Detector (Sensor Cable Edition)
10% OFF$19.99$17.99
FibaroFlood Sensor (Z-Wave)
16% OFF$78.53$66.12
SonoffZigbee Water Leak Sensor
$14.99
AqaraWater Leak Sensor
$18.99
GoveeWater Sensor Alarm
$15.99
ShellyFlood Gen4
$39.99
HeimanSmart Water Leakage Sensor
20% OFF$19.99$15.99
FibaroFlood Sensor (HomeKit)
$43.28
AeotecWater Sensor 7 Pro
$47.95
Air Quality MonitorsX-SenseXR0A-iR Wi-Fi Radon Detector
20% OFF$99.99$79.99
HubsX-SenseSBS50 Base Station
$29.99
Motion SensorsX-SenseSolar Outdoor Spotlight - Motion-Sensor
9% OFF$64.99$58.89
Smoke & CO DetectorsX-SenseSC07-MR Smart Smoke & CO Alarm
Smoke & CO DetectorsX-SenseWi-Fi CO Alarm
Smoke & CO DetectorsX-SenseWi-Fi Smoke Alarm
Smoke & CO DetectorsX-SenseWiFi Smoke & CO Detector
Smoke & CO DetectorsX-SenseXP0J-iA Smart Hardwired Smoke & CO Alarm
$48.99
Temperature & Humidity SensorsX-SenseSmart WiFi Indoor Thermometer
5% OFF$12.99$12.34
Temperature & Humidity SensorsX-SenseSTH0B Smart Thermometer Hygrometer
5% OFF$12.99$12.34- Water Leak SensorsX-Sense
2-in-1 Wi-Fi Water Leak & Freeze Detector
17% OFF$17.99$14.99 - Water Leak SensorsX-Sense
Wi-Fi Water Leak Detector
$15.99