Data from Amazon and official Aqara and Google sites.
2026 verdict
Taken as a whole in 2026, Google Nest Protect (Battery) wins this matchup. It separates itself most clearly on rating, warranty, and connectivity, while still looking better on sensors and alerts. Choose Aqara Smart Smoke Detector only if price and integrations matters more to you than the broader advantage from Google Nest Protect (Battery). For the average buyer, Google Nest Protect (Battery) is the safer choice.
| Feature | Aqara Smart Smoke Detector | Google Nest Protect (Battery) | Winner |
|---|---|---|---|
| Price | €37.99 | $158.29 | Aqara Smart Smoke Detector |
| Rating | 4.2 | 4.3 | Google Nest Protect (Battery) |
| Warranty | 1 year | 2 years | Google Nest Protect (Battery) |
| Connectivity | Zigbee | 2.4 GHz Wifi, Bluetooth | Google Nest Protect (Battery) |
| Integrations | Apple HomeKit, Home Assistant, IFTTT, Matter | Google Home, Home Assistant | Aqara Smart Smoke Detector |
| Sensors | Smoke | Smoke, CO, Occupancy, Temperature, Humidity, Ambient Light, Motion | Google Nest Protect (Battery) |
| Alerts | Fire Alerts | Fire Alerts, CO Alerts, Low Battery Alerts | Google Nest Protect (Battery) |
| Tests Itself | NO | YES | Google Nest Protect (Battery) |
| Pathlight | NO | YES | Google Nest Protect (Battery) |
| Steam Check | NO | YES | Google Nest Protect (Battery) |
| Screen | NO | NO | Tie |
| Built-in Siren | YES | YES | Tie |
16% OFF
€44.99
€37.99
- + Price: €37.99
- + Integrations: Apple HomeKit, Home Assistant, IFTTT, Matter
- - Rating: 4.2 vs 4.3
- - Warranty: 1 year vs 2 years
Winner
$158.29
- + Rating: 4.3
- + Warranty: 2 years
- + Connectivity: 2.4 GHz Wifi, Bluetooth
- - Price: $158.29 vs €37.99
- - Integrations: Google Home, Home Assistant vs Apple HomeKit, Home Assistant, IFTTT, Matter
Frequently Asked Questions (FAQ)
- Which is better overall: Aqara Smart Smoke Detector or Google Nest Protect (Battery)?
- Google Nest Protect (Battery) has the stronger overall profile in this comparison, especially for rating, warranty, and connectivity.
- What is the biggest difference between Aqara Smart Smoke Detector and Google Nest Protect (Battery)?
- Price is one of the clearest differences: Aqara Smart Smoke Detector lists €37.99, while Google Nest Protect (Battery) lists $158.29.
- Which one looks better on price?
- Aqara Smart Smoke Detector is listed at €37.99, while Google Nest Protect (Battery) is listed at $158.29. Aqara Smart Smoke Detector (better spec).
- Who should buy Aqara Smart Smoke Detector?
- Choose Aqara Smart Smoke Detector if your priority is price and integrations and that matters more than rating.
- Who should buy Google Nest Protect (Battery)?
- Choose Google Nest Protect (Battery) if your priority is rating and warranty and that matters more than price.
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