Comparisons

Leak sensors report water. Drainbee reports the pump.

Honest comparisons with the best-known alternatives. Many of them are good products – just built for a different job.

Feature	Grohe Sense	Shelly Flood	Fibaro Flood	Aqara Water Leak	Homematic IP	Float switch
Continuous water level monitoring
Alert on water at floor level
Submersible probe for pump sumps
Alert at an adjustable water level						fixed height, on site only (with alarm unit)
Phone alert on power outage
Audible alarm on the device				via the hub only		with an alarm unit
Works without a hub
Pump cycle history
App with level history
Water shut-off via valve	Sense Guard (discontinued)	via automation with a third-party valve	via automation with a third-party valve	with Valve Controller T1	with HmIP-WSS

As of 7 Oct 2026, checked against manufacturers' product pages and data sheets (sources in each comparison article). Details may vary by model.

Drainbee vs. Grohe Sense Discontinued
Grohe Sense for Pump Sumps? Why It Doesn't Work.

Grohe Sense detects leaks on the floor. Drainbee measures the water level in your pump sump and warns you before it overflows.
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Drainbee vs. Shelly Flood €34.90
Shelly Flood in the Basement: Where the Budget Water Sensor Hits Its Limits.

For about €35, Shelly alerts you when water touches the sensor. If it sits on the floor, the damage is usually done by then.
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Drainbee vs. Fibaro ~€45
Fibaro Flood Sensor for Basement Protection? What You Should Know.

Award-winning design and a buzzer, but needs a Z-Wave controller, no push alert in a power outage without a UPS – and no level measurement.
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Drainbee vs. Aqara €19.99
Aqara & Xiaomi Water Leak Sensor: Affordable Basement Protection or a Gap?

Affordable Zigbee floor sensor with a hub. Detects water on the floor – not in the sump.
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Drainbee vs. Bosch RRP €49.95
Bosch Water Detector in the Basement: What It Catches – and What It Misses.

A good leak sensor for Bosch Smart Home. In a pump sump it only reports once water is already on the floor.
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Drainbee vs. Homematic IP approx. €50
Homematic IP Water Sensor in the Basement: What It Can and Can't Do.

One building block among many in a smart home. Drainbee is a dedicated system for pump sumps.
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Drainbee vs. Eve Water Guard RRP €99.95
Eve Water Guard: What the HomeKit Leak Sensor Does in a Basement.

Sensing cable, siren, Apple Home – strong on the floor. It doesn't measure the level in a pump sump.
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Drainbee vs. Tuya approx. €10–20
Tuya and Smart Life Water Sensors: Enough for the Basement?

Cheap and quick to set up. But without router and cloud, the warning never reaches you.
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Drainbee vs. FRITZ!Box €49.99
FRITZ!Box Water Sensor: What DECT ULE Can Do in a Basement.

FRITZ! builds no water sensor, yet the OWSM-1 still talks to the FRITZ!Box. It doesn't monitor the pit.
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Drainbee vs. Float switch from approx. €10
Float Switch vs. Water Level Sensor: Which Is More Reliable?

Every pump sump has one. It can jam – and you won't find out until there's water in your basement.
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Built for the pump sump.

Submersible probe, level history and pump cycles, power outage alerts. One-time purchase: €298.

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Leak sensors report water. Drainbee reports the pump.

Grohe Sense for Pump Sumps? Why It Doesn't Work.

Shelly Flood in the Basement: Where the Budget Water Sensor Hits Its Limits.

Fibaro Flood Sensor for Basement Protection? What You Should Know.

Aqara & Xiaomi Water Leak Sensor: Affordable Basement Protection or a Gap?

Bosch Water Detector in the Basement: What It Catches – and What It Misses.

Homematic IP Water Sensor in the Basement: What It Can and Can't Do.

Eve Water Guard: What the HomeKit Leak Sensor Does in a Basement.

Tuya and Smart Life Water Sensors: Enough for the Basement?

FRITZ!Box Water Sensor: What DECT ULE Can Do in a Basement.

Float Switch vs. Water Level Sensor: Which Is More Reliable?

Built for the pump sump.