Aqara Smart Lock U100 vs Eufy Video Smart Lock S330

Full Smart Door Locks comparison in 2026

Updated April 2026
Data from Amazon and official Aqara and Eufy sites.
2026 verdict
For this 2026 head-to-head, Aqara Smart Lock U100 has the better all-around case. It builds its lead on price, rating, and connectivity, then backs it up with a stronger showing on integrations and lock/unlock system. You should still consider Eufy Video Smart Lock S330 if doorbell matters more than raw overall balance. For most setups, Aqara Smart Lock U100 is the smarter buy.
vs
FeatureAqara Smart Lock U100Eufy Video Smart Lock S330Winner
Price$139.99$299.99Aqara Smart Lock U100
Rating4.24.1Aqara 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
DoorbellNOYESEufy Video Smart Lock S330
Warranty1 year1 yearTie
Weather ResistanceIP65IP65Tie
One-Time PasswordYESYESTie
Periodic PasswordYESYESTie
Anti-peep PasswordYESYESTie
Emergency FingerprintNONOTie

Frequently Asked Questions (FAQ)

Which is better overall: Aqara Smart Lock U100 or Eufy Video Smart Lock S330?
Aqara Smart Lock U100 has the stronger overall profile in this comparison, especially for price, rating, and connectivity.
What is the biggest difference between Aqara Smart Lock U100 and Eufy Video Smart Lock S330?
Price is one of the clearest differences: Aqara Smart Lock U100 lists $139.99, while Eufy Video Smart Lock S330 lists $299.99.
Which one looks better on price?
Aqara Smart Lock U100 is listed at $139.99, while Eufy Video Smart Lock S330 is listed at $299.99. 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 doorbell.
Who should buy Eufy Video Smart Lock S330?
Choose Eufy Video Smart Lock S330 if your priority is doorbell and that matters more than price.
More Door Locks

Top Door Locks to compare next

Compare the best smart door locks by unlock methods, connectivity, battery life, integrations, security alerts, and more. Find the right lock for your home.

Compare Door Locks
  1. Nuki Smart Lock Pro
    Nuki

    Smart Lock Pro

    View details
  2. Nuki Smart Lock Ultra
    Nuki

    Smart Lock Ultra

    View details
  3. Google Nest x Yale Lock
    Google

    Nest x Yale Lock

    View details
  4. Eufy Smart Lock C220
    Eufy

    Smart Lock C220

    View details
  5. SwitchBot Lock Ultra Vision Combo
    SwitchBot

    SwitchBot Lock Ultra Vision Combo

    View details
  6. Aqara Smart Lock U100
    Aqara

    Smart Lock U100

    View details
  7. Eufy Video Smart Lock E330
    Eufy

    Video Smart Lock E330

    View details
  8. Eufy Video Smart Lock S330
    Eufy

    Video Smart Lock S330

    View details
  9. SwitchBot Lock Pro
    SwitchBot

    SwitchBot Lock Pro

    View details
  10. Nuki Smart Lock Go
    Nuki

    Smart Lock Go

    View details
  11. SwitchBot Lock
    SwitchBot

    SwitchBot Lock

    View details
  12. Aqara Smart Lock U200
    Aqara

    Smart Lock U200

    View details
  13. Aqara Smart Lock D200i
    Aqara

    Smart Lock D200i

    View details
  14. Aqara Smart Lock N100 Zigbee Edition
    Aqara

    Smart Lock N100 Zigbee Edition

    View details
Aqara

More Aqara products

A sharper look at other Aqara products worth comparing.

Explore Aqara
  1. Air Quality Monitor
    Aqara TVOC Air Quality Monitor
    Aqara

    TVOC Air Quality Monitor

    View details
  2. Camera
    Aqara Camera E1
    Aqara

    Camera E1

    View details
  3. Camera
    Aqara Camera G100
    Aqara

    Camera G100

    View details
  4. Camera
    Aqara Camera Hub G2H Pro
    Aqara

    Camera Hub G2H Pro

    View details
  5. Camera
    Aqara Camera Hub G3
    Aqara

    Camera Hub G3

    View details
  6. Camera
    Aqara CameraHub G5 Pro PoE
    Aqara

    Camera Hub G5 Pro PoE

    View details
  7. Camera
    Aqara Camera Hub G5 Pro Wifi
    Aqara

    Camera Hub G5 Pro Wifi

    View details
  8. Doorbell
    Aqara Doorbell Camera Hub G410
    Aqara

    Doorbell Camera Hub G410

    View details
  9. Doorbell
    Aqara Smart Video Doorbell G4
    Aqara

    Smart Video Doorbell G4

    View details
  10. Door Lock
    Aqara Smart Lock D200i
    Aqara

    Smart Lock D200i

    View details
  11. Door Lock
    Aqara Smart Lock N100 Zigbee Edition
    Aqara

    Smart Lock N100 Zigbee Edition

    View details
  12. Door Lock
    Aqara Smart Lock U100
    Aqara

    Smart Lock U100

    View details
  13. Door Lock
    Aqara Smart Lock U200
    Aqara

    Smart Lock U200

    View details
  14. Door & Window Sensor
    Aqara Door and Window Sensor P2
    Aqara

    Door and Window Sensor P2

    View details
  15. Door & Window Sensor
    Aqara Door and Window Sensor
    Aqara

    Door and Window Sensor

    View details
  16. Hub
    Aqara Hub M3
    Aqara

    Hub M3

    View details
  17. IR Remote Control
    Aqara Hub M3
    Aqara

    Hub M3

    View details
  18. LED Bulb
    Aqara LED Bulb T1
    Aqara

    LED Bulb T1

    View details
  19. Motion Sensor
    Aqara Motion and Light Sensor P2
    Aqara

    Motion and Light Sensor P2

    View details
  20. Motion Sensor
    Aqara Motion Sensor P1
    Aqara

    Motion Sensor P1

    View details
Eufy

More Eufy products

A sharper look at other Eufy products worth comparing.

Explore Eufy
  1. Camera
    Eufy 4G Camera S230
    Eufy

    4G Camera S230

    View details
  2. Camera
    Eufy 4G LTE Cam S330
    Eufy

    4G LTE Cam S330

    View details
  3. Camera
    Eufy Indoor Cam C120
    Eufy

    Indoor Cam C120

    View details
  4. Camera
    Eufy Indoor Cam E220
    Eufy

    Indoor Cam E220

    View details
  5. Camera
    Eufy Outdoor Cam E210
    Eufy

    Outdoor Cam E210

    View details
  6. Camera
    Eufy Outdoor Cam E220
    Eufy

    Outdoor Cam E220

    View details
  7. Camera
    Eufy SoloCam S220
    Eufy

    SoloCam S220

    View details
  8. Camera
    Eufy SoloCam S230
    Eufy

    SoloCam S230

    View details
  9. Doorbell
    Eufy Video Doorbell C31 (with Battery Pack)
    Eufy

    Video Doorbell C31 (with Battery Pack)

    View details
  10. Doorbell
    Eufy Video Doorbell E340
    Eufy

    Video Doorbell E340

    View details
  11. Door Lock
    Eufy Smart Lock C220
    Eufy

    Smart Lock C220

    View details
  12. Door Lock
    Eufy Video Smart Lock E330
    Eufy

    Video Smart Lock E330

    View details
  13. Door Lock
    Eufy Video Smart Lock S330
    Eufy

    Video Smart Lock S330

    View details
  14. Door & Window Sensor
    Eufy Entry Sensor
    Eufy

    Entry Sensor

    View details
  15. Motion Sensor
    Eufy Motion Sensor
    Eufy

    Motion Sensor

    View details
  16. Robot Vacuum
    Eufy 11S MAX
    Eufy

    11S MAX

    View details
  17. Robot Vacuum
    Eufy L60 with Self-Empty Station
    Eufy

    L60 with Self-Empty Station

    View details
  18. Robot Vacuum
    Eufy X10 Pro Omni
    Eufy

    X10 Pro Omni

    View details
  19. Siren
    Eufy Security Siren
    Eufy

    Security Siren

    View details
  20. Water Leak Sensor
    Eufy Water and Freeze Sensor
    Eufy

    Water and Freeze Sensor

    View details
Smart Home Planner
DealsNEW RELEASESBrandsBlogTerms of UsePrivacy Policy
Search