Winner
Updated November 2026
Data from the official Aqara and Kidde sites.
2026 verdict
Across the 2026 comparison, Aqara Smart Smoke Detector earns the nod over Kidde Smart Smoke + Indoor Air Quality Alarm on the strength of rating, integrations, and local control.
Its clearest strengths are rating, integrations, and local control, and it still looks stronger on its broader overall balance. Kidde Smart Smoke + Indoor Air Quality Alarm is still relevant if you care most about warranty, sensors, and alerts, but Aqara Smart Smoke Detector is the stronger recommendation overall. Overall, Aqara Smart Smoke Detector makes more sense for most people.
Connectivity
vs
Works with
Connectivity
- Wi-Fi 2.4 GHz
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| Feature | Aqara Smart Smoke Detector | Kidde Smart Smoke + Indoor Air Quality Alarm | Winner |
|---|---|---|---|
| Rating | 4.4 | 3.4 | Aqara Smart Smoke Detector |
| Warranty | 1 year | 10 years | Kidde Smart Smoke + Indoor Air Quality Alarm |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Google Home, Home Assistant | Aqara Smart Smoke Detector |
| Sensors | Smoke | Smoke, Humidity, Air Quality | Kidde Smart Smoke + Indoor Air Quality Alarm |
| Alerts | Fire Alerts, Low Battery Alerts | Fire Alerts, Low Battery Alerts, Air Quality Alerts | Kidde Smart Smoke + Indoor Air Quality Alarm |
| Local Control | YES | Partially | Aqara Smart Smoke Detector |
| Connectivity | Zigbee | 2.4 GHz WiFi | Tie |
| Screen | NO | NO | Tie |
| Built-in Siren | YES | YES | Tie |
| Built-in Light | YES | YES | Tie |
| Pathlight | NO | NO | Tie |
| Steam Check | NO | NO | Tie |
Winner
- + Rating: 4.4
- + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- + Local Control: YES
- - Warranty: 1 year vs 10 years
- - Sensors: Smoke vs Smoke, Humidity, Air Quality
$113.84
- + Warranty: 10 years
- + Sensors: Smoke, Humidity, Air Quality
- + Alerts: Fire Alerts, Low Battery Alerts, Air Quality Alerts
- - Rating: 3.4 vs 4.4
- - Integrations: Google Home, Home Assistant vs Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
Frequently Asked Questions
Which is better overall: Aqara Smart Smoke Detector or Kidde Smart Smoke + Indoor Air Quality Alarm?
Aqara Smart Smoke Detector has the stronger overall profile in this comparison, especially for rating, integrations, and local control.
What is the biggest difference between Aqara Smart Smoke Detector and Kidde Smart Smoke + Indoor Air Quality Alarm?
Rating is one of the clearest differences: Aqara Smart Smoke Detector lists 4.4, while Kidde Smart Smoke + Indoor Air Quality Alarm lists 3.4.
Who should buy Aqara Smart Smoke Detector?
Choose Aqara Smart Smoke Detector if your priority is rating and integrations 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 rating.
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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
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Smoke Alarm
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Carbon Monoxide Detector C1-S
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Smoke and CO Alarm HM-636THS
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Smart Smoke & CO Detector with Ring
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Smoke Alarm HM-636PHS
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Interconnected Smoke Alarm S1-R
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Interconnected CO Alarm C1-R
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SC5 Battery Smart Smoke & CO Alarm
- Air Quality Monitors
TVOC Air Quality Monitor
- Buttons
Cube T1 Pro
- Buttons
Wireless Mini Switch T1
- Buttons
Wireless Mini Switch WXKG11LM
- Cameras
Camera E1
- Cameras
Camera G100
- Cameras
Camera Hub G2H Pro
- Cameras
Camera Hub G3
- Cameras
Camera Hub G350
- Cameras
Camera Hub G5 Pro PoE
- Cameras
Camera Hub G5 Pro WiFi
- Ceiling Lights
Ceiling Light T1M
- Doorbells
Doorbell Camera G400 (Wired)
- Doorbells
Doorbell Camera Hub G410
- Doorbells
Smart Video Doorbell G4
- Door Locks
Smart Lock D200i
- Door Locks
Smart Lock N100 Zigbee Edition
- Door Locks
Smart Lock U100
- Door Locks
Smart Lock U200
- Door Locks
Smart Lock U300
