Smoke & CO Detectors · Head to head

Shelly Plus Smoke Alarm vs X-Sense XC0M-iR Smart Carbon Monoxide Alarm with Voice Alerts

Full Smart Smoke & CO Detectors comparison in 2026

Data from Amazon and official Shelly and X-Sense sites.
2026 verdict
In this 2026 Shelly Plus Smoke Alarm vs X-Sense XC0M-iR Smart Carbon Monoxide Alarm with Voice Alerts comparison, Shelly Plus Smoke Alarm comes out ahead thanks to battery life, connectivity, and integrations.
Shelly Plus Smoke Alarm
Winner
Shelly Plus Smoke Alarm
€39.95€53.4325% OFF
Buy on Amazon GermanyCheck price
It has the clearer edge on battery life, connectivity, and integrations, and it stays ahead on Built-in light. X-Sense XC0M-iR Smart Carbon Monoxide Alarm with Voice Alerts is still relevant if you care most about warranty, screen, and sensors, but Shelly Plus Smoke Alarm is the stronger recommendation overall. For the average buyer, Shelly Plus Smoke Alarm is the safer choice.
vs
Price alerts

Smoke & CO Detector prices change while you decide

We check the price of every Smoke & CO Detector 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.

Smart home deals and news, straight to your inbox

Price drops, new releases and the smart home news worth knowing.

No spam. Unsubscribe in one click.

FeatureShelly Plus Smoke AlarmX-Sense XC0M-iR Smart Carbon Monoxide Alarm with Voice AlertsWinner
Warranty3 years5 yearsX-Sense XC0M-iR Smart Carbon Monoxide Alarm with Voice Alerts
Battery Life5 years1 yearShelly Plus Smoke Alarm
Connectivity2.4 GHz WiFi, Bluetooth2.4 GHz WiFiShelly Plus Smoke Alarm
IntegrationsGoogle Home, Alexa, Samsung SmartThings, Home AssistantNoneShelly Plus Smoke Alarm
ScreenNOYESX-Sense XC0M-iR Smart Carbon Monoxide Alarm with Voice Alerts
SensorsSmokeCO, Temperature, HumidityX-Sense XC0M-iR Smart Carbon Monoxide Alarm with Voice Alerts
Built-in LightYESNOShelly Plus Smoke Alarm
Rating4.44.4Tie
AlertsFire Alerts, Low Battery AlertsCO Alerts, Low Battery AlertsTie
Built-in SirenYESYESTie
Tests ItselfNONOTie
PathlightNONOTie

Frequently Asked Questions

Which is better overall: Shelly Plus Smoke Alarm or X-Sense XC0M-iR Smart Carbon Monoxide Alarm with Voice Alerts?

Shelly Plus Smoke Alarm has the stronger overall profile in this comparison, especially for battery life, connectivity, and integrations.

What is the biggest difference between Shelly Plus Smoke Alarm and X-Sense XC0M-iR Smart Carbon Monoxide Alarm with Voice Alerts?

Warranty is one of the clearest differences: Shelly Plus Smoke Alarm lists 3 years, while X-Sense XC0M-iR Smart Carbon Monoxide Alarm with Voice Alerts lists 5 years.

Who should buy Shelly Plus Smoke Alarm?

Choose Shelly Plus Smoke Alarm if your priority is battery life and connectivity and that matters more than warranty.

Who should buy X-Sense XC0M-iR Smart Carbon Monoxide Alarm with Voice Alerts?

Choose X-Sense XC0M-iR Smart Carbon Monoxide Alarm with Voice Alerts if your priority is warranty and screen and that matters more than battery life.

Full comparison table

Compare all 21 Smoke & CO Detectors side by side

You are looking at two of them. The full table lines up all Smoke & CO Detectors in the catalog with the same specs, so you can filter by what you need and sort by price or rating.

  • 21 Smoke & CO Detectors
  • 44 specs compared
  • 41 filters
Open the full comparison
More Smoke & CO Detectors

Top Smoke & CO Detectors to compare next

21 smart smoke and CO detectors from 8 brands compared: X-Sense, First Alert, Kidde, Google Nest and more. Sensor types, interlink and alerts.

All Smoke & CO Detectors
Shelly

More Shelly products

A sharper look at other Shelly products worth comparing.

Explore Shelly
X-Sense

More X-Sense products

A sharper look at other X-Sense products worth comparing.

Explore X-Sense
Independent · Not sponsoredBrands never pay for placement or rankings. Affiliate commissions never influence our comparisons.
© 2026 Smart Home Compared
Search