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Aqara Smart Lock U100 vs Eufy Smart Lock C220

Full Smart Door Locks comparison in 2026

Updated July 2026
Data from Amazon and official Aqara and Eufy sites.
2026 verdict
Aqara Smart Lock U100 has the better all-around case than Eufy Smart Lock C220 in 2026, starting with weather resistance, connectivity, and integrations. Its biggest wins come from weather resistance, connectivity, and integrations, and Lock/Unlock system and One-Time password add more confidence to the verdict. Pick Eufy Smart Lock C220 only when price and rating are the deciding factor for your setup. That keeps the verdict firmly in favor of Aqara Smart Lock U100.
FeatureAqara Smart Lock U100Eufy Smart Lock C220Winner
Price$149.99$109.99Eufy Smart Lock C220
Rating4.14.3Eufy Smart Lock C220
Weather ResistanceIP65IP53Aqara Smart Lock U100
ConnectivityBluetooth, Zigbee2.4 GHz WiFiAqara Smart Lock U100
IntegrationsGoogle Home, Alexa, Apple HomeKit, Home Assistant, IFTTT, MatterGoogle Home, Alexa, Home AssistantAqara Smart Lock U100
Lock/Unlock SystemRemote, Bluetooth, Passcode, Fingerprint, NFC Tag, Apple Home Key, Physical KeyRemote, Passcode, Fingerprint, Apple Home Key, Physical KeyAqara Smart Lock U100
One-Time PasswordYESNOAqara Smart Lock U100
Periodic PasswordYESNOAqara Smart Lock U100
Warranty1 year1 yearTie
Battery Life8 months8 monthsTie
Anti-peep PasswordYESYESTie
Emergency FingerprintNONOTie

Frequently Asked Questions

Which is better overall: Aqara Smart Lock U100 or Eufy Smart Lock C220?

Aqara Smart Lock U100 has the stronger overall profile in this comparison, especially for weather resistance, connectivity, and integrations.

What is the biggest difference between Aqara Smart Lock U100 and Eufy Smart Lock C220?

Price is one of the clearest differences: Aqara Smart Lock U100 lists $149.99, while Eufy Smart Lock C220 lists $109.99.

Which one looks better on price?

Aqara Smart Lock U100 is listed at $149.99, while Eufy Smart Lock C220 is listed at $109.99. Eufy Smart Lock C220 (better spec).

Who should buy Aqara Smart Lock U100?

Choose Aqara Smart Lock U100 if your priority is weather resistance and connectivity and that matters more than price.

Who should buy Eufy Smart Lock C220?

Choose Eufy Smart Lock C220 if your priority is price and rating and that matters more than weather resistance.

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