Door Locks · Head to head

Aqara Smart Lock U100 vs Aqara Smart Lock U300

Full Smart Door Locks comparison in 2026

Updated June 2026
Data from Amazon and official Aqara site.
2026 verdict
Across the 2026 comparison, Aqara Smart Lock U300 earns the nod over Aqara Smart Lock U100 on the strength of battery life, connectivity, and integrations. Its clearest strengths are battery life, connectivity, and integrations, and it still looks stronger on its broader overall balance. Choose Aqara Smart Lock U100 only if price, rating, and weather resistance matter more to you than the broader advantage from Aqara Smart Lock U300. That keeps the verdict firmly in favor of Aqara Smart Lock U300.
vs
FeatureAqara Smart Lock U100Aqara Smart Lock U300Winner
Price$149.99$189.99Aqara Smart Lock U100
Rating4.13.7Aqara Smart Lock U100
Weather ResistanceIP65IPX4Aqara Smart Lock U100
Battery Life8 months10 monthsAqara Smart Lock U300
ConnectivityBluetooth, ZigbeeBluetooth, Thread Protocol, OtherAqara Smart Lock U300
IntegrationsGoogle Home, Alexa, Apple HomeKit, Home Assistant, IFTTT, MatterGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, IFTTT, MatterAqara Smart Lock U300
Lock/Unlock SystemRemote, Bluetooth, Passcode, Fingerprint, NFC Tag, Apple Home Key, Physical KeyRemote, Bluetooth, Passcode, Fingerprint, NFC Tag, Apple Home Key, Physical KeyTie
One-Time PasswordYESYESTie
Periodic PasswordYESYESTie
Anti-peep PasswordYESYESTie
Emergency FingerprintNONOTie
DoorbellNONOTie

Frequently Asked Questions

Which is better overall: Aqara Smart Lock U100 or Aqara Smart Lock U300?

Aqara Smart Lock U300 has the stronger overall profile in this comparison, especially for battery life, connectivity, and integrations.

What is the biggest difference between Aqara Smart Lock U100 and Aqara Smart Lock U300?

Price is one of the clearest differences: Aqara Smart Lock U100 lists $149.99, while Aqara Smart Lock U300 lists $189.99.

Which one looks better on price?

Aqara Smart Lock U100 is listed at $149.99, while Aqara Smart Lock U300 is listed at $189.99. Aqara Smart Lock U100 (better spec).

Who should buy Aqara Smart Lock U100?

Choose Aqara Smart Lock U100 if your priority is price and rating and that matters more than battery life.

Who should buy Aqara Smart Lock U300?

Choose Aqara Smart Lock U300 if your priority is battery life and connectivity and that matters more than price.

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Independent · Not sponsoredBrands never pay for placement or rankings. Affiliate commissions never influence our comparisons.
© 2026 Smart Home Compared
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