Updated October 2026
Data from Amazon and official Aqara and Eufy sites.
2026 verdict
Across the 2026 comparison, Eufy Smart Lock E30 earns the nod over Aqara Smart Lock U100 on the strength of rating, warranty, and connectivity.
It has the clearer edge on rating, warranty, and connectivity, and it stays ahead on its broader overall balance. There is still a case for Aqara Smart Lock U100, but mainly if weather resistance and Lock/Unlock system are what you value most. As a general recommendation, Eufy Smart Lock E30 comes out on top.
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| Feature | Aqara Smart Lock U100 | Eufy Smart Lock E30 | Winner |
|---|---|---|---|
| Rating | 4.1 | 4.2 | Eufy Smart Lock E30 |
| Warranty | 1 year | 1.5 years | Eufy Smart Lock E30 |
| Weather Resistance | IP65 | IP53 | Aqara Smart Lock U100 |
| Connectivity | Bluetooth, Zigbee | 2.4 GHz WiFi, Bluetooth, Thread Protocol | Eufy Smart Lock E30 |
| Lock/Unlock System | Remote, Bluetooth, Passcode, Fingerprint, NFC Tag, Apple Home Key, Physical Key | Remote, Passcode, Fingerprint, Physical Key | Aqara Smart Lock U100 |
| Battery Life | 8 months | 8 months | Tie |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Tie |
| One-Time Password | YES | YES | Tie |
| Periodic Password | YES | YES | Tie |
| Anti-peep Password | YES | YES | Tie |
| Emergency Fingerprint | NO | NO | Tie |
| Doorbell | NO | NO | Tie |
$149.99
- + Weather Resistance: IP65
- + Lock/Unlock System: Remote, Bluetooth, Passcode, Fingerprint, NFC Tag, Apple Home Key, Physical Key
- - Rating: 4.1 vs 4.2
- - Warranty: 1 year vs 1.5 years
Winner
Currently unavailable on Amazon USA
- + Rating: 4.2
- + Warranty: 1.5 years
- + Connectivity: 2.4 GHz WiFi, Bluetooth, Thread Protocol
- - Weather Resistance: IP53 vs IP65
- - Lock/Unlock System: Remote, Passcode, Fingerprint, Physical Key vs Remote, Bluetooth, Passcode, Fingerprint, NFC Tag, Apple Home Key, Physical Key
Frequently Asked Questions
Which is better overall: Aqara Smart Lock U100 or Eufy Smart Lock E30?
Eufy Smart Lock E30 has the stronger overall profile in this comparison, especially for rating, warranty, and connectivity.
What is the biggest difference between Aqara Smart Lock U100 and Eufy Smart Lock E30?
Rating is one of the clearest differences: Aqara Smart Lock U100 lists 4.1, while Eufy Smart Lock E30 lists 4.2.
Who should buy Aqara Smart Lock U100?
Choose Aqara Smart Lock U100 if your priority is weather resistance and Lock/Unlock system and that matters more than rating.
Who should buy Eufy Smart Lock E30?
Choose Eufy Smart Lock E30 if your priority is rating and warranty and that matters more than weather resistance.
Full comparison table
Compare all 53 Door Locks side by side
You are looking at two of them. The full table lines up all Door Locks in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 53 Door Locks
- 55 specs compared
- 51 filters
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WyzePalm Lock
WyzeAuto-Lock Bolt v2
NukiSmart Lock Ultra
TP-LinkTapo DL100
EufyFamiLock E40
Philips4200 Series Smart Deadbolt with Door Lever
SwitchBotSwitchBot Lock Ultra Vision Combo
SchlageArrive
TP-LinkTapo DL130
ULTRALOQLatch 5 Pro
SchlageEncode
ULTRALOQBolt SE
PhilipsWi-Fi Smart Deadbolt DDL242X
NukiSmart Lock Pro
EufySmart Lock C32
ULTRALOQU-Bolt Pro WiFi
EufySmart Lock C220
GoogleNest x Yale Lock
EufySecurity Smart Lock S230
Air Quality MonitorsAqaraTVOC Air Quality Monitor
ButtonsAqaraCube T1 Pro
ButtonsAqaraWireless Mini Switch T1
ButtonsAqaraWireless Mini Switch WXKG11LM
CamerasAqaraCamera E1
CamerasAqaraCamera G100
CamerasAqaraCamera Hub G2H Pro
CamerasAqaraCamera Hub G3
CamerasAqaraCamera Hub G350
CamerasAqaraCamera Hub G5 Pro PoE
CamerasAqaraCamera Hub G5 Pro WiFi
DoorbellsAqaraDoorbell Camera G400 (Wired)
DoorbellsAqaraDoorbell Camera Hub G410
DoorbellsAqaraSmart Video Doorbell G4
Door LocksAqaraSmart Lock D200i
Door LocksAqaraSmart Lock N100 Zigbee Edition
- Door LocksAqara
Smart Lock U100
Door LocksAqaraSmart Lock U200
Door LocksAqaraSmart Lock U300
Door LocksAqaraSmart Lock U400
CamerasEufy4G Camera S230
CamerasEufy4G LTE Cam S330
CamerasEufyCam S3 Pro
CamerasEufyCam S330
CamerasEufyCam S4
CamerasEufyIndoor Cam C120
CamerasEufyIndoor Cam E220
CamerasEufyIndoor Cam E30
CamerasEufyOutdoor Cam E210
CamerasEufyOutdoor Cam E220
CamerasEufyPoE Bullet-PTZ Cam E50
CamerasEufySoloCam E30
CamerasEufySoloCam E42
CamerasEufySoloCam S220
CamerasEufySoloCam S230
CamerasEufySoloCam S340
CamerasEufyTrackLight Cam S1
CamerasEufyWall Light Cam S4
CamerasEufyWired Cam C31
DoorbellsEufyVideo Doorbell C31 (with Battery Pack)