Updated February 2026
Data from Amazon and official Aqara site.
2026 verdict
Looking at the full picture in 2026, Aqara Smart Lock U100 gets the edge. What pushes it ahead is weather resistance, battery life, and integrations, and anti-peep password keeps the advantage from looking narrow. Aqara Smart Lock D200i remains a niche alternative if connectivity matters more than the rest of the comparison. As a general recommendation, Aqara Smart Lock U100 comes out on top.
vs
FeatureAqara Smart Lock D200iAqara Smart Lock U100Winner
Weather ResistanceIP52IP65Aqara Smart Lock U100
Battery Life4 months8 monthsAqara Smart Lock U100
Connectivity2.4 GHz Wifi, Bluetooth, ZigbeeBluetooth, ZigbeeAqara Smart Lock D200i
IntegrationsGoogle Home, Alexa, Apple HomeKit, Home AssistantGoogle Home, Alexa, Apple HomeKit, Home Assistant, IFTTT, MatterAqara Smart Lock U100
Anti-peep PasswordNOYESAqara Smart Lock U100
Warranty1 year1 yearTie
Lock/Unlock SystemRemote, Bluetooth, Passcode, Face Recognition, NFC Tag, Apple Home Key, Physical KeyRemote, Bluetooth, Passcode, Fingerprint, NFC Tag, Apple Home Key, Physical KeyTie
One-Time PasswordYESYESTie
Periodic PasswordYESYESTie
Emergency FingerprintNONOTie
DoorbellNONOTie
Aqara

Aqara Smart Lock D200i

Price unavailable right now
BUY NOW
  • + Connectivity: 2.4 GHz Wifi, Bluetooth, Zigbee
  • - Weather Resistance: IP52 vs IP65
  • - Battery Life: 4 months vs 8 months
Winner
Aqara

Aqara Smart Lock U100

29% OFF
$189.99
$134.99
BUY NOW
  • + Weather Resistance: IP65
  • + Battery Life: 8 months
  • + Integrations: Google Home, Alexa, Apple HomeKit, Home Assistant, IFTTT, Matter
  • - Connectivity: Bluetooth, Zigbee vs 2.4 GHz Wifi, Bluetooth, Zigbee

Frequently Asked Questions (FAQ)

Which is better overall: Aqara Smart Lock D200i or Aqara Smart Lock U100?
Aqara Smart Lock U100 has the stronger overall profile in this comparison, especially for weather resistance, battery life, and integrations.
What is the biggest difference between Aqara Smart Lock D200i and Aqara Smart Lock U100?
Weather Resistance is one of the clearest differences: Aqara Smart Lock D200i lists IP52, while Aqara Smart Lock U100 lists IP65.
Who should buy Aqara Smart Lock D200i?
Choose Aqara Smart Lock D200i if your priority is connectivity and that matters more than weather resistance.
Who should buy Aqara Smart Lock U100?
Choose Aqara Smart Lock U100 if your priority is weather resistance and battery life and that matters more than connectivity.
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