Shelly Plus Smoke Alarm vs X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm comparison

Data from Amazon and official Shelly and X-Sense sites.

2026 verdict

X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm beats Shelly Plus Smoke Alarm in 2026, with its clearest edge on warranty, sensors, and alerts. The comparison tilts its way because of warranty, sensors, and alerts, with tests itself keeping it in front. Choose Shelly Plus Smoke Alarm only if price, integrations, and Built-in light matter more to you than the broader advantage from X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm. That keeps the verdict firmly in favor of X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm.

Shelly

Shelly Plus Smoke Alarm

25% OFF

€39.95

€53.43

Buy on Amazon Germany

Winner

X-Sense

X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm

$48.99

Buy on Official Store

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Feature	Shelly Plus Smoke Alarm	X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm	Winner
Price	€39.95	$48.99	Shelly Plus Smoke Alarm
Warranty	3 years	5 years	X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm
Integrations	Google Home, Alexa, Samsung SmartThings, Home Assistant	None	Shelly Plus Smoke Alarm
Sensors	Smoke	Smoke, CO	X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm
Alerts	Fire Alerts, Low Battery Alerts	Fire Alerts, CO Alerts, Low Battery Alerts	X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm
Built-in Light	YES	NO	Shelly Plus Smoke Alarm
Tests Itself	NO	YES	X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm
Connectivity	2.4 GHz WiFi, Bluetooth	2.4 GHz WiFi, Other	Tie
Screen	NO	NO	Tie
Built-in Siren	YES	YES	Tie
Pathlight	NO	NO	Tie
Steam Check	NO	NO	Tie

Shelly

Shelly Plus Smoke Alarm

25% OFF

€39.95

€53.43

Buy on Amazon Germany

+ Price: €39.95
+ Integrations: Google Home, Alexa, Samsung SmartThings, Home Assistant
+ Built-in Light: YES
- Warranty: 3 years vs 5 years
- Sensors: Smoke vs Smoke, CO

Winner

X-Sense

X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm

$48.99

Buy on Official Store

+ Warranty: 5 years
+ Sensors: Smoke, CO
+ Alerts: Fire Alerts, CO Alerts, Low Battery Alerts
- Price: $48.99 vs €39.95
- Integrations: None vs Google Home, Alexa, Samsung SmartThings, Home Assistant

Frequently Asked Questions

Which is better overall: Shelly Plus Smoke Alarm or X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm?

X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm has the stronger overall profile in this comparison, especially for warranty, sensors, and alerts.

What is the biggest difference between Shelly Plus Smoke Alarm and X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm?

Price is one of the clearest differences: Shelly Plus Smoke Alarm lists €39.95, while X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm lists $48.99.

Which one looks better on price?

Shelly Plus Smoke Alarm is listed at €39.95, while X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm is listed at $48.99. Shelly Plus Smoke Alarm (better spec).

Who should buy Shelly Plus Smoke Alarm?

Choose Shelly Plus Smoke Alarm if your priority is price and integrations and that matters more than warranty.

Who should buy X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm?

Choose X-Sense XP0J-iA Smart Hardwired Smoke & CO Alarm if your priority is warranty and sensors and that matters more than price.

Full comparison table

Compare all 19 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.