Updated November 2026
Data from the official Fibaro and Shelly sites.
2026 verdict
Shelly BLU Door/Window ZB is the more complete option versus Fibaro Door / Window Sensor in 2026, helped most by rating, warranty, and battery life.
What pushes it ahead is rating, warranty, and battery life, and connectivity and integrations keep the advantage from looking narrow. Fibaro Door / Window Sensor can still be the right pick, but only if price and alerts outweigh the wider strengths of Shelly BLU Door/Window ZB. That is why Shelly BLU Door/Window ZB wins the verdict here.
Works with
Connectivity
vs
Winner
News by email
Still comparing? Get what's new by email
New releases and the smart home news worth knowing, in your inbox.
No spam. Unsubscribe in one click.
The biggest differences
Where these two are furthest apart, and by how much.
- Battery Life2.5×Shelly BLU Door/Window ZB5 years vs 2 years
- Warranty2×Shelly BLU Door/Window ZB2 years vs 1 year
| Feature | Fibaro Door / Window Sensor | Shelly BLU Door/Window ZB | Winner |
|---|---|---|---|
| Price | €21.99 | $22.99 | Fibaro Door / Window Sensor |
| Rating | 3.2 | 4.5 | Shelly BLU Door/Window ZB |
| Warranty | 1 year | 2 years | Shelly BLU Door/Window ZB |
| Battery Life | 2 years | 5 years | Shelly BLU Door/Window ZB |
| Connectivity | Bluetooth | Bluetooth, Zigbee | Shelly BLU Door/Window ZB |
| Integrations | Apple HomeKit, Home Assistant | Google Home, Alexa, Samsung SmartThings, Home Assistant | Shelly BLU Door/Window ZB |
| Alerts | Door & Window Open/Close Alerts, Temperature Alerts, Tamper Alerts, Low Battery Alerts | Door & Window Open/Close Alerts, Low Battery Alerts | Fibaro Door / Window Sensor |
| Weather Resistance | NO | NO | Tie |
| Sensors | Door & Window Open/Close, Temperature | Door & Window Open/Close, Light | Tie |
| Local Control | YES | YES | Tie |
€21.99
- + Price: €21.99
- + Alerts: Door & Window Open/Close Alerts, Temperature Alerts, Tamper Alerts, Low Battery Alerts
- - Rating: 3.2 vs 4.5
- - Warranty: 1 year vs 2 years
Winner
$22.99
- + Rating: 4.5
- + Warranty: 2 years
- + Battery Life: 5 years
- - Price: $22.99 vs €21.99
- - Alerts: Door & Window Open/Close Alerts, Low Battery Alerts vs Door & Window Open/Close Alerts, Temperature Alerts, Tamper Alerts, Low Battery Alerts
Frequently Asked Questions
Which is better overall: Fibaro Door / Window Sensor or Shelly BLU Door/Window ZB?
Shelly BLU Door/Window ZB has the stronger overall profile in this comparison, especially for rating, warranty, and battery life.
What is the biggest difference between Fibaro Door / Window Sensor and Shelly BLU Door/Window ZB?
Price is one of the clearest differences: Fibaro Door / Window Sensor lists €21.99, while Shelly BLU Door/Window ZB lists $22.99.
Which one looks better on price?
Fibaro Door / Window Sensor is listed at €21.99, while Shelly BLU Door/Window ZB is listed at $22.99. Fibaro Door / Window Sensor (better spec).
Who should buy Fibaro Door / Window Sensor?
Choose Fibaro Door / Window Sensor if your priority is price and alerts and that matters more than rating.
Who should buy Shelly BLU Door/Window ZB?
Choose Shelly BLU Door/Window ZB if your priority is rating and warranty and that matters more than price.
Spotted something wrong on this page? Tell us and we will fix it.
Our store on AmazonShop our ideas on AmazonLists of the smart home setups we would put together ourselves, ready to add to your Amazon cart.Shop on AmazonFull comparison table
Compare all 32 Door & Window Sensors side by side
You are looking at two of them. The full table lines up all Door & Window Sensors in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 32 Door & Window Sensors
- 41 specs compared
- 36 filters
- Door & Window Sensors
Window and Door Contact Sensor (2nd gen)
- Door & Window Sensors
Entry Sensor
- Door & Window Sensors
LoRa Smart Outdoor Contact Sensor
- Door & Window Sensors
Solar Outdoor Door Sensor
- Door & Window Sensors
Multipurpose Sensor
- Door & Window Sensors
Hue Secure Contact Sensor
- Door & Window Sensors
Door and Window Sensor
- Door & Window Sensors
Outdoor Contact Sensor
- Door & Window Sensors
Contact Sensor
- Door & Window Sensors
Entry Sensor E20
- Door & Window Sensors
SmartSensor for Doors & Windows
- Door & Window Sensors
Window & Door Sensor (3rd Gen)
- Door & Window Sensors
Door Window Sensor 7
- Door & Window Sensors
SenseGuard DW Gen2
- Door & Window Sensors
Micro Door Sensor
- Door & Window Sensors
Door & Window
- Door & Window Sensors
All-in-One Sensor
- Door & Window Sensors
Door Window Sensor 8
- Door & Window Sensors
Window Door Alarm
- Door & Window Sensors
SNZB-04P ZigBee Door/Window Sensor
- Buttons
BLU Button Tough 1 ZB
- Buttons
BLU RC Button 4 ZB
- Cameras
Camera
- Displays
Wall Display X1i
- Displays
Wall Display XL
- Displays
Wall Display
- Door & Window Sensors
BLU Door/Window Outdoor ZB
- Energy Monitors
3EM-63W Gen3
- Energy Monitors
EM Gen3
- Energy Monitors
EM Gen4
- Energy Monitors
EM Mini Gen4
- Energy Monitors
Pro 3EM 3CT63
- Energy Monitors
Pro 3EM-400
- Energy Monitors
Pro 3EM v2
- Energy Monitors
Pro EM-50
- Gas Detectors
GAS (CNG)
- Gas Detectors
GAS (LPG)
- LED Bulbs
Multicolor Bulb E27 Gen3
- Motion Sensors
BLU Motion ZB
- Motion Sensors
Blu Motion