Updated August 2026
Data from Amazon and official Aqara and Eufy sites.
2026 verdict
Aqara Smart Lock U100 has the better all-around case than Eufy Video Smart Lock S330 in 2026, starting with price, battery life, and connectivity. It builds its lead on price, battery life, 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.
| Feature | Aqara Smart Lock U100 | Eufy Video Smart Lock S330 | Winner |
|---|---|---|---|
| Price | $149.99 | $349.99 | Aqara Smart Lock U100 |
| Battery Life | 8 months | 4 months | 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 |
| Doorbell | NO | YES | Eufy Video Smart Lock S330 |
| Rating | 4.1 | 4.1 | Tie |
| Warranty | 1 year | 1 year | Tie |
| Weather Resistance | IP65 | IP65 | Tie |
| One-Time Password | YES | YES | Tie |
| Periodic Password | YES | YES | Tie |
| Anti-peep Password | YES | YES | Tie |
Winner
- + Price: $149.99
- + Battery Life: 8 months
- + Connectivity: Bluetooth, Zigbee
- - Doorbell: NO vs YES
$349.99
- + Doorbell: YES
- - Price: $349.99 vs $149.99
- - Battery Life: 4 months vs 8 months
Frequently Asked Questions
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, battery life, 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 $149.99, while Eufy Video Smart Lock S330 lists $349.99.
Which one looks better on price?
Aqara Smart Lock U100 is listed at $149.99, while Eufy Video Smart Lock S330 is listed at $349.99. Aqara Smart Lock U100 (better spec).
Who should buy Aqara Smart Lock U100?
Choose Aqara Smart Lock U100 if your priority is price and battery life 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.
