$54.72
Updated November 2026
Data from the official Moen and SwitchBot sites.
2026 verdict
The SwitchBot Water Leak Detector is the easier recommendation of these two leak sensors, and it is the more affordable one.
It adds Bluetooth alongside 2.4 GHz Wi-Fi and reaches Apple HomeKit, Samsung SmartThings and Home Assistant, none of which the Moen Smart Leak Detector supports. The Moen Smart Leak Detector answers with a richer sensing set: it adds temperature and humidity readings and freeze alerts on top of leak detection, and its bundle includes a remote sensing cable. Choose the SwitchBot Water Leak Detector for a hub-free, budget-friendly sensor that slots into most ecosystems, and the Moen Smart Leak Detector if leak plus freeze monitoring and a reach-anywhere probe matter more to you.
Works with
Connectivity
- Wi-Fi 2.4 GHz
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$16.99
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Connectivity
- Wi-Fi 2.4 GHz
- Bluetooth
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| Feature | Moen Smart Leak Detector | SwitchBot Water Leak Detector | Winner |
|---|---|---|---|
| Price | $54.72 | $15.99 | SwitchBot Water Leak Detector |
| Rating | 3.3 | 4.4 | SwitchBot Water Leak Detector |
| Connectivity | 2.4 GHz WiFi | 2.4 GHz WiFi, Bluetooth | SwitchBot Water Leak Detector |
| Integrations | Home Assistant | Google Home, Apple HomeKit, Samsung SmartThings, Home Assistant | SwitchBot Water Leak Detector |
| Sensors | Water Leak, Temperature | Water Leak | Moen Smart Leak Detector |
| Alerts | Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts | Water Leak Alerts | Moen Smart Leak Detector |
| Warranty | 1 year | 1 year | Tie |
| Weather Resistance | IP67 | IP67 | Tie |
| Battery Life | 2 years | 2 years | Tie |
| On Device Alert Sound | YES | YES | Tie |
| On Device Alert Light | YES | YES | Tie |
What the differences mean
Sensing set
The Moen Smart Leak Detector watches temperature and humidity and can warn before pipes freeze, while the SwitchBot Water Leak Detector is a water-only device with no temperature or freeze alert. If a cold basement or garage is part of the risk you are covering, that gap is the one to weigh.
Smart home support
The SwitchBot Water Leak Detector works with Apple HomeKit, Samsung SmartThings and Home Assistant, and adds Bluetooth for setup. The Moen Smart Leak Detector supports none of those three platforms and its Home Assistant support is only partial, so it suits a more closed setup.
Sensor cable
The Moen Smart Leak Detector includes a Remote Sensing Disc on a cable that reaches up to 48 inches, so the sensing point can sit in a sump pit while the body stays accessible. The SwitchBot Water Leak Detector has no cable, so the whole unit must sit where water will actually reach it.
Alarm loudness
The SwitchBot Water Leak Detector carries a 100 dB on-device alarm, while the Moen Smart Leak Detector sounds at up to 51 dB. Both also have a light, but the SwitchBot is the one you are more likely to hear from another room.
Setup
Buyers describe the SwitchBot Water Leak Detector connecting in minutes over Wi-Fi or Bluetooth, while the Moen Smart Leak Detector has a pairing process a meaningful share of owners call fiddly, sometimes needing a reset or a walkthrough video to complete.
Which one to buy if
- you want leak, temperature and freeze cover in one puck
The Moen Smart Leak Detector reports temperature and humidity and sends freeze alerts on top of water detection.
- your home runs on Apple HomeKit, SmartThings or Home Assistant
The SwitchBot Water Leak Detector supports all three natively, where the Moen Smart Leak Detector does not.
- the sensor has to reach into a sump pit or behind an appliance
The Moen Smart Leak Detector ships with a 48-inch remote sensing cable the SwitchBot Water Leak Detector does not have.
- you are covering several spots on a tight budget
The SwitchBot Water Leak Detector costs considerably less, so the same spend buys more sensors around the house.
$54.72
- + Sensors: Water Leak, Temperature
- + Alerts: Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts
- - Price: $54.72 vs $15.99
- - Rating: 3.3 vs 4.4
Winner
6% OFF
Prime exclusive deal$15.99
$16.99
- + Price: $15.99
- + Rating: 4.4
- + Connectivity: 2.4 GHz WiFi, Bluetooth
- - Sensors: Water Leak vs Water Leak, Temperature
- - Alerts: Water Leak Alerts vs Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts
What owners say
Owners of both sensors agree on the essentials: a leak alarm that fires quickly, phone alerts they can trust, and a setup that needs no hub. SwitchBot Water Leak Detector owners single out the sensitive contacts on the top and bottom of the unit and the speed of pairing, while several note there is no cable, so the whole body has to sit exactly where water will reach it, and a few find the alarm hard to hear through cabinet doors. Moen Smart Leak Detector owners prize the temperature and humidity readout and the 48-inch sensing disc for sump pits and tight spaces, but a large share describe a frustrating app pairing process and units that arrived with the battery already partly drained.
Frequently Asked Questions
Which is better overall: Moen Smart Leak Detector or SwitchBot Water Leak Detector?
The SwitchBot Water Leak Detector, for most buyers. It is more affordable, supports Apple HomeKit, SmartThings and Home Assistant, and connects over Wi-Fi or Bluetooth without a hub. The Moen Smart Leak Detector is the pick when you want temperature, humidity and freeze alerts in the same device.
Do the Moen Smart Leak Detector and the SwitchBot Water Leak Detector need a hub?
No. Both connect directly over 2.4 GHz Wi-Fi, and the SwitchBot Water Leak Detector also supports Bluetooth. Neither needs a separate hub or gateway.
Which one works with more smart home platforms?
The SwitchBot Water Leak Detector works with Apple HomeKit, Samsung SmartThings and Home Assistant. The Moen Smart Leak Detector supports none of those, and its Home Assistant support is only partial.
Does either sensor warn about freezing pipes?
Yes, the Moen Smart Leak Detector does: it tracks temperature and humidity and sends freeze alerts. The SwitchBot Water Leak Detector detects water only, with no temperature or freeze monitoring.
Who should buy the SwitchBot Water Leak Detector?
Buyers who want an inexpensive, hub-free sensor that works with HomeKit, SmartThings or Home Assistant, placed at a fixed point like a water heater or a washing machine.
Who should buy the Moen Smart Leak Detector?
Anyone who wants leak, temperature and freeze alerts together, or needs the 48-inch remote sensing cable to reach a sump pit or a spot behind an appliance, and does not mind a more involved setup.
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