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Aqara Smart Lock U400 vs Google Nest x Yale Lock

Full Smart Door Locks comparison in 2026

Updated June 2026
Data from Amazon and official Aqara and Google sites.
2026 verdict
Aqara Smart Lock U400 is the more complete option versus Google Nest x Yale Lock in 2026, helped most by weather resistance, connectivity, and integrations. The main reason it wins is weather resistance, connectivity, and integrations, and lock/unlock system and one-time password strengthens that case. Choose Google Nest x Yale Lock only if price, rating, and battery life matters more to you than the broader advantage from Aqara Smart Lock U400. That is why Aqara Smart Lock U400 wins the verdict here.
vs
FeatureAqara Smart Lock U400Google Nest x Yale LockWinner
Price$219.99$219.00Google Nest x Yale Lock
Rating4.24.3Google Nest x Yale Lock
Weather ResistanceIP65NOAqara Smart Lock U400
Battery Life6 months1 yearGoogle Nest x Yale Lock
ConnectivityBluetooth, Thread Protocol, OtherOtherAqara Smart Lock U400
IntegrationsGoogle Home, Alexa, Apple HomeKit, Home Assistant, MatterGoogle HomeAqara Smart Lock U400
Lock/Unlock SystemRemote, Bluetooth, Passcode, Fingerprint, NFC Tag, Apple Home Key, Physical KeyRemote, PasscodeAqara Smart Lock U400
One-Time PasswordYESNOAqara Smart Lock U400
Periodic PasswordYESYESTie
Anti-peep PasswordNONOTie
Emergency FingerprintNONOTie
DoorbellNONOTie

Frequently Asked Questions (FAQ)

Which is better overall: Aqara Smart Lock U400 or Google Nest x Yale Lock?
Aqara Smart Lock U400 has the stronger overall profile in this comparison, especially for weather resistance, connectivity, and integrations.
What is the biggest difference between Aqara Smart Lock U400 and Google Nest x Yale Lock?
Price is one of the clearest differences: Aqara Smart Lock U400 lists $219.99, while Google Nest x Yale Lock lists $219.00.
Which one looks better on price?
Aqara Smart Lock U400 is listed at $219.99, while Google Nest x Yale Lock is listed at $219.00. Google Nest x Yale Lock (better spec).
Who should buy Aqara Smart Lock U400?
Choose Aqara Smart Lock U400 if your priority is weather resistance and connectivity and that matters more than price.
Who should buy Google Nest x Yale Lock?
Choose Google Nest x Yale Lock if your priority is price and rating and that matters more than weather resistance.
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