Updated June 2026
Data from Amazon and official Aqara and Fibaro sites.
2026 verdict
The Fibaro Flood Sensor (HomeKit) is the more complete water leak sensor of this pair, winning on sensing and alerting: it packs temperature and tilt sensors on top of leak detection, fires temperature, freeze and tamper alerts, and includes an onboard alert sound and light, none of which the Aqara Water Leak Sensor offers. Both are compact HomeKit-friendly units. The Aqara Water Leak Sensor holds a strong hand on value, though, coming in cheaper, carrying a higher owner rating, an IP67 rating where the Fibaro lists none, and wider integrations, since it also reaches IFTTT and adds HomeKit through an Aqara Hub rather than pairing over Bluetooth. Buy the Fibaro Flood Sensor (HomeKit) for combined leak, temperature and tamper sensing with a local alarm in an Apple Home setup; choose the Aqara Water Leak Sensor for a cheaper, higher-rated, waterproof sensor with broader integrations.
| Feature | Aqara Water Leak Sensor | Fibaro Flood Sensor (HomeKit) | Winner |
|---|---|---|---|
| Price | $18.99 | $43.28 | Aqara Water Leak Sensor |
| Rating | 4.3 | 4.1 | Aqara Water Leak Sensor |
| Weather Resistance | IP67 | NO | Aqara Water Leak Sensor |
| Integrations | Apple HomeKit, Home Assistant, IFTTT | Apple HomeKit, Home Assistant | Aqara Water Leak Sensor |
| Sensors | Water Leak | Water Leak, Temperature, Tilt | Fibaro Flood Sensor (HomeKit) |
| Alerts | Water Leak Alerts, Low Battery Alerts | Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Tamper Alerts | Fibaro Flood Sensor (HomeKit) |
| On Device Alert Sound | NO | YES | Fibaro Flood Sensor (HomeKit) |
| On Device Alert Light | NO | YES | Fibaro Flood Sensor (HomeKit) |
| Warranty | 1 year | 1 year | Tie |
| Battery Life | 2 years | 2 years | Tie |
| Connectivity | Zigbee | Bluetooth | Tie |
$18.99
- + Price: $18.99
- + Rating: 4.3
- + Weather Resistance: IP67
- - Sensors: Water Leak vs Water Leak, Temperature, Tilt
- - Alerts: Water Leak Alerts, Low Battery Alerts vs Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Tamper Alerts
Winner
- + Sensors: Water Leak, Temperature, Tilt
- + Alerts: Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Tamper Alerts
- + On Device Alert Sound: YES
- - Price: $43.28 vs $18.99
- - Rating: 4.1 vs 4.3
Frequently Asked Questions
Which is better overall: Aqara Water Leak Sensor or Fibaro Flood Sensor (HomeKit)?
The Fibaro Flood Sensor (HomeKit) wins overall on more sensors (temperature and tilt), more alerts including tamper, and an onboard sound and light. The Aqara Water Leak Sensor is cheaper, higher-rated, IP67-waterproof, and reaches more integrations.
What is the biggest difference between these two sensors?
Sensing and alarms. The Fibaro Flood Sensor (HomeKit) adds temperature and tilt sensing, tamper alerts, and a local sound and light, while the Aqara Water Leak Sensor is a cheaper, IP67-rated leak-only sensor without an onboard alarm.
Which sensor does more than detect water?
The Fibaro Flood Sensor (HomeKit), which also measures temperature and tilt and issues freeze and tamper alerts. The Aqara Water Leak Sensor is dedicated to water-leak detection only.
Which one is more water-resistant?
The Aqara Water Leak Sensor, rated IP67 for direct water contact. The Fibaro Flood Sensor (HomeKit) carries no official weather-resistance rating.
Who should buy the Fibaro Flood Sensor (HomeKit)?
Buy it if you run Apple Home and want one small unit that detects leaks, temperature and tampering with an onboard sound and light.
Who should buy the Aqara Water Leak Sensor?
Choose it for a cheaper, higher-rated, IP67-waterproof sensor with HomeKit, IFTTT and Home Assistant support through an Aqara Hub.
YoLinkWater Leak Sensor 4
29% OFF$23.99$17.09
TP-LinkTapo T300
$19.99
X-SenseWi-Fi Water Leak Detector
29% OFF$15.99$11.39
EufyWater and Freeze Sensor
$34.99
EveWater Guard
28% OFF$109.95$78.99
Govee LifeWater Sensor Alarm
$15.99
Govee LifeWater Leak Detector 2
29% OFF$69.99$49.99
AeotecWater Leak Sensor
$39.99
AqaraWater Leak Sensor T1
£21.99
SwitchBotWater Leak Detector
$16.49
SonoffZigbee Water Leak Sensor
$14.99
HeimanSmart Water Leakage Sensor
35% OFF$19.99$12.99- Aqara
Water Leak Sensor
$18.99 
SwitchBotWater Leak Detector (Sensor Cable Edition)
15% OFF$19.99$16.99
FibaroFlood Sensor (Z-Wave)
16% OFF$78.53$66.12
ShellyFlood Gen4
15% OFF$39.99$33.99
ArloAll-in-One Sensor
$29.59
FibaroFlood Sensor (HomeKit)
$43.28
AeotecWater Sensor 7 Pro
$47.95
Third RealityWater Leak Sensor
$20.99
Air Quality MonitorsAqaraTVOC Air Quality Monitor
14% OFFC$49.99C$42.99
CamerasAqaraCamera E1
24% OFF$69.99$52.98
CamerasAqaraCamera G100
10% OFF$39.99$35.99
CamerasAqaraCamera Hub G2H Pro
21% OFF$69.99$54.99
CamerasAqaraCamera Hub G3
25% OFF$119.99$89.99
CamerasAqaraCamera Hub G5 Pro PoE
13% OFF$229.99$199.99
CamerasAqaraCamera Hub G5 Pro WiFi
$199.99
DoorbellsAqaraDoorbell Camera Hub G410
$144.99
DoorbellsAqaraSmart Video Doorbell G4
$89.99
Door LocksAqaraSmart Lock D200i
Door LocksAqaraSmart Lock N100 Zigbee Edition
$159.90
Door LocksAqaraSmart Lock U100
21% OFF$189.99$149.99
Door LocksAqaraSmart Lock U200
$169.99
Door LocksAqaraSmart Lock U300
$189.99
Door LocksAqaraSmart Lock U400
$269.99
Door LocksAqaraSmart Lock U50
$119.99
Door & Window SensorsAqaraDoor and Window Sensor P2
10% OFF$29.99$26.99
Door & Window SensorsAqaraDoor and Window Sensor
$18.99
HubsAqaraHub M2
$54.99
HubsAqaraHub M3
$159.99
Door & Window SensorsFibaroDoor / Window Sensor 2
$50.45
Door & Window SensorsFibaroDoor / Window Sensor
$48.53
HubsFibaroHome Center Lite
$149.00
Motion SensorsFibaroFGBHMS-001
$56.10
PlugsFibaroWall Plug (EU)
€41.26
PlugsFibaroWall Plug with USB (US)
$51.28- Water Leak SensorsFibaro
Flood Sensor (Z-Wave)
16% OFF$78.53$66.12 - Water Leak SensorsFibaro
Flood Sensor (HomeKit)
$43.28