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.
| Feature | Aqara Smart Lock U100 | Eufy Smart Lock C220 | Winner |
|---|---|---|---|
| Price | $149.99 | $109.99 | Eufy Smart Lock C220 |
| Rating | 4.1 | 4.3 | Eufy Smart Lock C220 |
| Weather Resistance | IP65 | IP53 | Aqara Smart Lock U100 |
| Connectivity | Bluetooth, Zigbee | 2.4 GHz WiFi | Aqara Smart Lock U100 |
| Integrations | Google Home, Alexa, Apple HomeKit, Home Assistant, IFTTT, Matter | Google Home, Alexa, Home Assistant | Aqara Smart Lock U100 |
| Lock/Unlock System | Remote, Bluetooth, Passcode, Fingerprint, NFC Tag, Apple Home Key, Physical Key | Remote, Passcode, Fingerprint, Apple Home Key, Physical Key | Aqara Smart Lock U100 |
| One-Time Password | YES | NO | Aqara Smart Lock U100 |
| Periodic Password | YES | NO | Aqara Smart Lock U100 |
| Warranty | 1 year | 1 year | Tie |
| Battery Life | 8 months | 8 months | Tie |
| Anti-peep Password | YES | YES | Tie |
| Emergency Fingerprint | NO | NO | Tie |
Winner
21% OFF
$149.99
$189.99
- + Weather Resistance: IP65
- + Connectivity: Bluetooth, Zigbee
- + Integrations: Google Home, Alexa, Apple HomeKit, Home Assistant, IFTTT, Matter
- - Price: $149.99 vs $109.99
- - Rating: 4.1 vs 4.3
35% OFF
$109.99
$169.99
- + Price: $109.99
- + Rating: 4.3
- - Weather Resistance: IP53 vs IP65
- - Connectivity: 2.4 GHz WiFi vs Bluetooth, Zigbee
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.
