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| Feature | Aqara Smart Lock U400 | Google Nest x Yale Lock | Winner |
|---|---|---|---|
| Price | $219.99 | $269.00 | Aqara Smart Lock U400 |
| Rating | 4.1 | 4.2 | Google Nest x Yale Lock |
| Battery Life | 6 months | 1 year | Google Nest x Yale Lock |
| Connectivity | Bluetooth, Thread Protocol, Other | Other | Aqara Smart Lock U400 |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Google Home | Aqara Smart Lock U400 |
| Lock/Unlock System | Remote, Bluetooth, Passcode, Fingerprint, NFC Tag, Apple Home Key, Physical Key | Remote, Passcode | Aqara Smart Lock U400 |
| One-Time Password | YES | NO | Aqara Smart Lock U400 |
| Anti-peep Password | YES | NO | Aqara Smart Lock U400 |
| Periodic Password | YES | YES | Tie |
| Emergency Fingerprint | NO | NO | Tie |
| Doorbell | NO | NO | Tie |
- + Price: $219.99
- + Connectivity: Bluetooth, Thread Protocol, Other
- + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- - Rating: 4.1 vs 4.2
- - Battery Life: 6 months vs 1 year
- + Rating: 4.2
- + Battery Life: 1 year
- - Price: $269.00 vs $219.99
- - Connectivity: Other vs Bluetooth, Thread Protocol, Other
Price history compared
Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.
- Aqara Smart Lock U400
- Google Nest x Yale Lock
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Frequently Asked Questions
Which is the better smart lock, the Aqara Smart Lock U400 or the Google Nest x Yale Lock?
The Aqara Smart Lock U400 wins on nearly every technical front: IP65 weather resistance, Bluetooth and Matter over Thread connectivity, broader platform integrations, and unlock methods including fingerprint, NFC, UWB hands-free approach and Apple Home Key. The Google Nest x Yale Lock counters with a lower price, a higher owner rating and longer battery life.
What is the biggest difference between the Aqara Smart Lock U400 and the Google Nest x Yale Lock?
Unlock technology and platform reach. The U400 supports ultra-wideband hands-free unlocking, a fingerprint reader, NFC and Apple Home Key across Matter, Google, Alexa, Apple Home and Home Assistant. The Nest x Yale Lock is keypad- and app-only, and connects solely to Google Home.
How does connectivity compare between the two?
The Aqara Smart Lock U400 adds Bluetooth alongside its Matter over Thread connection and works with more ecosystems as a result. The Google Nest x Yale Lock has no Bluetooth, Zigbee, Z-Wave or Thread, relying instead on a proprietary Weave connection limited to Google Home.
Is battery life a concern with the Aqara Smart Lock U400?
It runs about six months per charge over USB-C, shorter than the roughly one-year lifespan of the Google Nest x Yale Lock's four AA batteries. Both include emergency backup power options, so neither risks a hard lockout.
Who should buy the Aqara Smart Lock U400?
Buyers who want the newest unlock technology, especially UWB hands-free entry and Apple Home Key, and who need broad multi-platform compatibility, will get the most from the U400, provided they have a Thread border router in place.
Who should buy the Google Nest x Yale Lock?
It suits Google Home households that want a simple, dependable keypad deadbolt with per-person and guest codes at a lower price, and who don't need fingerprint entry, a physical key, or support for other smart-home platforms.
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