Shelly Plus Smoke Alarm vs X-Sense Wifi Smoke & CO Detector

Full Smart Smoke & CO Detectors comparison in 2026

Data from Amazon and official Shelly and X-Sense sites.
2026 verdict
For 2026, X-Sense Wifi Smoke & CO Detector is the stronger overall choice. Its clearest strengths are price, rating, and warranty, and it still looks stronger on screen and sensors. Choose Shelly Plus Smoke Alarm only if connectivity and integrations matters more to you than the broader advantage from X-Sense Wifi Smoke & CO Detector. For the average buyer, X-Sense Wifi Smoke & CO Detector is the safer choice.
vs
FeatureShelly Plus Smoke AlarmX-Sense Wifi Smoke & CO DetectorWinner
Price€39.95€33.58X-Sense Wifi Smoke & CO Detector
Rating4.34.5X-Sense Wifi Smoke & CO Detector
Warranty3 years5 yearsX-Sense Wifi Smoke & CO Detector
Connectivity2.4 GHz Wifi, Bluetooth2.4 GHz WifiShelly Plus Smoke Alarm
IntegrationsGoogle Home, Alexa, Samsung SmartThings, Home AssistantNoneShelly Plus Smoke Alarm
ScreenNOYESX-Sense Wifi Smoke & CO Detector
SensorsSmokeSmoke, COX-Sense Wifi Smoke & CO Detector
AlertsFire Alerts, Low Battery AlertsFire Alerts, CO Alerts, Low Battery AlertsX-Sense Wifi Smoke & CO Detector
Built-in SirenYESYESTie
Built-in LightYESYESTie
Tests ItselfNONOTie
PathlightNONOTie
Shelly

Shelly Plus Smoke Alarm

25% OFF
€53.43
€39.95
BUY NOW
  • + Connectivity: 2.4 GHz Wifi, Bluetooth
  • + Integrations: Google Home, Alexa, Samsung SmartThings, Home Assistant
  • - Price: €39.95 vs €33.58
  • - Rating: 4.3 vs 4.5
Winner
X-Sense

X-Sense Wifi Smoke & CO Detector

16% OFF
€39.99
€33.58
BUY NOW
  • + Price: €33.58
  • + Rating: 4.5
  • + Warranty: 5 years
  • - Connectivity: 2.4 GHz Wifi vs 2.4 GHz Wifi, Bluetooth
  • - Integrations: None vs Google Home, Alexa, Samsung SmartThings, Home Assistant

Frequently Asked Questions (FAQ)

Which is better overall: Shelly Plus Smoke Alarm or X-Sense Wifi Smoke & CO Detector?
X-Sense Wifi Smoke & CO Detector has the stronger overall profile in this comparison, especially for price, rating, and warranty.
What is the biggest difference between Shelly Plus Smoke Alarm and X-Sense Wifi Smoke & CO Detector?
Price is one of the clearest differences: Shelly Plus Smoke Alarm lists €39.95, while X-Sense Wifi Smoke & CO Detector lists €33.58.
Which one looks better on price?
Shelly Plus Smoke Alarm is listed at €39.95, while X-Sense Wifi Smoke & CO Detector is listed at €33.58. X-Sense Wifi Smoke & CO Detector (better spec).
Who should buy Shelly Plus Smoke Alarm?
Choose Shelly Plus Smoke Alarm if your priority is connectivity and integrations and that matters more than price.
Who should buy X-Sense Wifi Smoke & CO Detector?
Choose X-Sense Wifi Smoke & CO Detector if your priority is price and rating and that matters more than connectivity.
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