Smoke & CO Detectors · Head to head

Aqara Smart Smoke Detector vs Kidde Smart Smoke + Indoor Air Quality Alarm

Full Smart Smoke & CO Detectors comparison in 2026

Data from Amazon and official Aqara and Kidde sites.
2026 verdict
Across the 2026 comparison, Kidde Smart Smoke + Indoor Air Quality Alarm earns the nod over Aqara Smart Smoke Detector on the strength of warranty, sensors, and alerts. Its clearest strengths are warranty, sensors, and alerts, and it still looks stronger on its broader overall balance. Aqara Smart Smoke Detector is still relevant if you care most about price, rating, and integrations, but Kidde Smart Smoke + Indoor Air Quality Alarm is the stronger recommendation overall. Overall, Kidde Smart Smoke + Indoor Air Quality Alarm makes more sense for most people.
vs
FeatureAqara Smart Smoke DetectorKidde Smart Smoke + Indoor Air Quality AlarmWinner
Price€37.99$98.74Aqara Smart Smoke Detector
Rating4.33.4Aqara Smart Smoke Detector
Warranty1 year10 yearsKidde Smart Smoke + Indoor Air Quality Alarm
IntegrationsApple HomeKit, Home Assistant, IFTTT, MatterGoogle Home, AlexaAqara Smart Smoke Detector
SensorsSmokeSmoke, Humidity, Air QualityKidde Smart Smoke + Indoor Air Quality Alarm
AlertsFire AlertsFire Alerts, Low Battery Alerts, Air Quality AlertsKidde Smart Smoke + Indoor Air Quality Alarm
ConnectivityZigbee2.4 GHz WiFiTie
ScreenNONOTie
Built-in SirenYESYESTie
Built-in LightYESYESTie
Tests ItselfNONOTie
PathlightNONOTie

Frequently Asked Questions

Which is better overall: Aqara Smart Smoke Detector or Kidde Smart Smoke + Indoor Air Quality Alarm?

Kidde Smart Smoke + Indoor Air Quality Alarm has the stronger overall profile in this comparison, especially for warranty, sensors, and alerts.

What is the biggest difference between Aqara Smart Smoke Detector and Kidde Smart Smoke + Indoor Air Quality Alarm?

Price is one of the clearest differences: Aqara Smart Smoke Detector lists €37.99, while Kidde Smart Smoke + Indoor Air Quality Alarm lists $98.74.

Which one looks better on price?

Aqara Smart Smoke Detector is listed at €37.99, while Kidde Smart Smoke + Indoor Air Quality Alarm is listed at $98.74. Aqara Smart Smoke Detector (better spec).

Who should buy Aqara Smart Smoke Detector?

Choose Aqara Smart Smoke Detector if your priority is price and rating and that matters more than warranty.

Who should buy Kidde Smart Smoke + Indoor Air Quality Alarm?

Choose Kidde Smart Smoke + Indoor Air Quality Alarm if your priority is warranty and sensors and that matters more than price.

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