Kidde WiFi Water Leak & Freeze Detector vs Switchbot Water Leak Detector (Sensor Cable Edition)

Updated September 2026

Data from Amazon and official Kidde and SwitchBot sites.

2026 verdict

A bundled sensing cable plus platform breadth put the Switchbot Water Leak Detector (Sensor Cable Edition) on top of the Kidde WiFi Water Leak & Freeze Detector.

Winner

Switchbot Water Leak Detector (Sensor Cable Edition)

$17.99$19.9910% OFF

Buy on Amazon USA

Switchbot wins on price, owner reviews, IP67 sealing, Wi-Fi plus Bluetooth, a much wider integration set (Alexa, Google Home, Apple HomeKit, SmartThings and Home Assistant), and an on-device alert light, with the cable watching a second spot the Kidde puck cannot reach. The Kidde WiFi Water Leak & Freeze Detector still holds temperature sensing and freeze alerts that Switchbot does not offer. Choose the Switchbot Water Leak Detector (Sensor Cable Edition) for hub-free, sealed, two-point leak coverage across major platforms; pick the Kidde WiFi Water Leak & Freeze Detector when freezing pipes are the other half of the job.

Price alerts

Water Leak Sensor prices change while you decide

We check the price of every Water Leak Sensor in the catalog daily and email you the drops, whichever one you pick.

Your subscription could not be saved. Please try again.

Your subscription has been successful.

Feature	Kidde WiFi Water Leak & Freeze Detector	Switchbot Water Leak Detector (Sensor Cable Edition)	Winner
Price	$18.43	$17.99	Switchbot Water Leak Detector (Sensor Cable Edition)
Rating	4.0	4.3	Switchbot Water Leak Detector (Sensor Cable Edition)
Weather Resistance	NO	IP67	Switchbot Water Leak Detector (Sensor Cable Edition)
Connectivity	2.4 GHz WiFi	2.4 GHz WiFi, Bluetooth	Switchbot Water Leak Detector (Sensor Cable Edition)
Integrations	Google Home, Alexa, Home Assistant	Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant	Switchbot Water Leak Detector (Sensor Cable Edition)
Sensors	Water Leak, Temperature	Water Leak	Kidde WiFi Water Leak & Freeze Detector
Alerts	Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Low Battery Alerts	Water Leak Alerts	Kidde WiFi Water Leak & Freeze Detector
On Device Alert Light	NO	YES	Switchbot Water Leak Detector (Sensor Cable Edition)
Warranty	1 year	1 year	Tie
On Device Alert Sound	YES	YES	Tie

Kidde

Kidde WiFi Water Leak & Freeze Detector

$18.43

Buy on Amazon USA

+ Sensors: Water Leak, Temperature
+ Alerts: Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Low Battery Alerts
- Price: $18.43 vs $17.99
- Rating: 4.0 vs 4.3

Winner

SwitchBot

Switchbot Water Leak Detector (Sensor Cable Edition)

10% OFF

$17.99

$19.99

Buy on Amazon USA

+ Price: $17.99
+ Rating: 4.3
+ Weather Resistance: IP67
- Sensors: Water Leak vs Water Leak, Temperature
- Alerts: Water Leak Alerts vs Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Low Battery Alerts

Frequently Asked Questions

Which is better overall: the Kidde WiFi Water Leak & Freeze Detector or the Switchbot Water Leak Detector (Sensor Cable Edition)?

The Switchbot Water Leak Detector (Sensor Cable Edition) wins overall on price, reviews, weather resistance, connectivity, integrations, and an alert light, plus an included sensor cable. The Kidde WiFi Water Leak & Freeze Detector is the one to pick if freeze-temperature alerts matter more than a probe cable.

What is the biggest difference between the Kidde WiFi Water Leak & Freeze Detector and the Switchbot Water Leak Detector (Sensor Cable Edition)?

Coverage shape and platforms. The Switchbot Water Leak Detector (Sensor Cable Edition) is IP67, hub-free over Wi-Fi and Bluetooth, includes a sensor cable for a second detection point, and works with HomeKit and SmartThings as well as Alexa and Google Home. The Kidde WiFi Water Leak & Freeze Detector is a single-point Wi-Fi puck with freeze sensing and no HomeKit or SmartThings.

Does the Switchbot Water Leak Detector (Sensor Cable Edition) warn about freezing pipes?

No. It is water-leak only. Freeze-temperature alerts and a temperature sensor belong to the Kidde WiFi Water Leak & Freeze Detector.

Do these sensors need a hub?

Neither needs a separate hub. The Kidde WiFi Water Leak & Freeze Detector joins 2.4 GHz Wi-Fi directly. The Switchbot Water Leak Detector (Sensor Cable Edition) joins Wi-Fi and also offers Bluetooth.

Who should buy the Switchbot Water Leak Detector (Sensor Cable Edition)?

Buyers who want a cheaper, IP67, hub-free leak sensor with a probe cable, an alert light, and HomeKit or SmartThings as well as Alexa and Google Home.

Who should buy the Kidde WiFi Water Leak & Freeze Detector?

Buyers who need leak plus freeze coverage in a basement or garage, and who are fine without HomeKit, SmartThings, or a remote probe.

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.