Smoke & CO Detectors · Head to head

Heiman Matter Smoke Detector S1-TM vs X-Sense WiFi Smoke & CO Detector

Full Smart Smoke & CO Detectors comparison in 2026

Updated November 2026
Data from the official Heiman and X-Sense sites.
2026 verdict
Heiman Matter Smoke Detector S1-TM has the better all-around case than X-Sense WiFi Smoke & CO Detector in 2026, starting with battery life, integrations, and sensors.
Heiman Matter Smoke Detector S1-TM
Winner
Heiman Matter Smoke Detector S1-TM
$44.98$49.9810% OFFPrime exclusive deal
Buy on Amazon USA
What pushes it ahead is battery life, integrations, and sensors, and tests itself and steam check keep the advantage from looking narrow. X-Sense WiFi Smoke & CO Detector is still relevant if you care most about price, rating, and screen, but Heiman Matter Smoke Detector S1-TM is the stronger recommendation overall. Overall, Heiman Matter Smoke Detector S1-TM makes more sense for most people.
Works with
Connectivity
vs
Works with
Connectivity
  • Wi-Fi 2.4 GHz
News by email

Still comparing? Get what's new by email

New releases and the smart home news worth knowing, in your inbox.

Smart home news and new releases, straight to your inbox

New releases, comparisons and the smart home news worth knowing.

No spam. Unsubscribe in one click.

Your subscription could not be saved. Please try again.
Please enter a valid email address.
Tick the box above to finish signing up.
We couldn't verify you're human. Please try again.
Too many attempts. Please try again in an hour.
Your subscription has been successful.
FeatureHeiman Matter Smoke Detector S1-TMX-Sense WiFi Smoke & CO DetectorWinner
Price$44.98£44.47X-Sense WiFi Smoke & CO Detector
Rating4.44.7X-Sense WiFi Smoke & CO Detector
Battery Life3.5 years1 yearHeiman Matter Smoke Detector S1-TM
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterHome AssistantHeiman Matter Smoke Detector S1-TM
ScreenNOYESX-Sense WiFi Smoke & CO Detector
SensorsSmoke, Temperature, HumiditySmoke, COHeiman Matter Smoke Detector S1-TM
AlertsFire Alerts, Low Battery AlertsFire Alerts, CO Alerts, Low Battery AlertsX-Sense WiFi Smoke & CO Detector
Built-in LightNOYESX-Sense WiFi Smoke & CO Detector
Tests ItselfYESNOHeiman Matter Smoke Detector S1-TM
Steam CheckYESNOHeiman Matter Smoke Detector S1-TM
Local ControlYESPartiallyHeiman Matter Smoke Detector S1-TM
ConnectivityThread Protocol2.4 GHz WiFiTie
Winner
Heiman

Heiman Matter Smoke Detector S1-TM

10% OFF
Prime exclusive deal
$44.98
$49.98
Buy on Amazon USA
  • + Battery Life: 3.5 years
  • + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
  • + Sensors: Smoke, Temperature, Humidity
  • - Price: $44.98 vs £44.47
  • - Rating: 4.4 vs 4.7
X-Sense

X-Sense WiFi Smoke & CO Detector

Prime exclusive deal
£44.47
Buy on Amazon UK
  • + Price: £44.47
  • + Rating: 4.7
  • + Screen: YES
  • - Battery Life: 1 year vs 3.5 years
  • - Integrations: Home Assistant vs Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter

Frequently Asked Questions

Which is better overall: Heiman Matter Smoke Detector S1-TM or X-Sense WiFi Smoke & CO Detector?

Heiman Matter Smoke Detector S1-TM has the stronger overall profile in this comparison, especially for battery life, integrations, and sensors.

What is the biggest difference between Heiman Matter Smoke Detector S1-TM and X-Sense WiFi Smoke & CO Detector?

Price is one of the clearest differences: Heiman Matter Smoke Detector S1-TM lists $44.98, while X-Sense WiFi Smoke & CO Detector lists £44.47.

Which one looks better on price?

Heiman Matter Smoke Detector S1-TM is listed at $44.98, while X-Sense WiFi Smoke & CO Detector is listed at £44.47. X-Sense WiFi Smoke & CO Detector (better spec).

Who should buy Heiman Matter Smoke Detector S1-TM?

Choose Heiman Matter Smoke Detector S1-TM if your priority is battery life 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 battery life.

Spotted something wrong on this page? Tell us and we will fix it.

AmazonOur 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 Amazon
Full comparison table

Compare all 28 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.

  • 28 Smoke & CO Detectors
  • 45 specs compared
  • 42 filters
Open the full comparison
More Smoke & CO Detectors

Top Smoke & CO Detectors to compare next

28 smart smoke and CO detectors from 9 brands compared: X-Sense, First Alert, Kidde, Google Nest and more. Sensor types, interlink and alerts.

All Smoke & CO Detectors
Heiman

More Heiman products

A sharper look at other Heiman products worth comparing.

Explore Heiman
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.

As an Amazon Associate I earn from qualifying purchases.

CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED ‘AS IS’ AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

© 2026 Smart Home Compared
Search