Updated November 2026
Data from the official Eufy site.
2026 verdict
Eufy Smart Lock C34 has the better all-around case than Eufy Security Smart Lock C30 in 2026, starting with connectivity and integrations.
What pushes it ahead is connectivity and integrations, and its broader overall balance keeps the advantage from looking narrow. Eufy Security Smart Lock C30 can still be the right pick, but only if rating outweighs the wider strengths of Eufy Smart Lock C34. Overall, Eufy Smart Lock C34 makes more sense for most people.
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| Feature | Eufy Security Smart Lock C30 | Eufy Smart Lock C34 | Winner |
|---|---|---|---|
| Rating | 4.2 | 4.0 | Eufy Security Smart Lock C30 |
| Connectivity | 2.4 GHz WiFi | 2.4 GHz WiFi, Thread Protocol | Eufy Smart Lock C34 |
| Integrations | Google Home, Alexa, Home Assistant | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Eufy Smart Lock C34 |
| Price | $79.99 | $79.99 | Tie |
| Warranty | 1.5 years | 1.5 years | Tie |
| Lock/Unlock System | Remote, Passcode, Physical Key | Remote, Passcode, Physical Key | Tie |
| One-Time Password | YES | YES | Tie |
| Periodic Password | YES | YES | Tie |
| Emergency Fingerprint | NO | NO | Tie |
| Doorbell | NO | NO | Tie |
$79.99
- + Rating: 4.2
- - Connectivity: 2.4 GHz WiFi vs 2.4 GHz WiFi, Thread Protocol
- - Integrations: Google Home, Alexa, Home Assistant vs Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
Winner
$79.99
- + Connectivity: 2.4 GHz WiFi, Thread Protocol
- + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- - Rating: 4.0 vs 4.2
Frequently Asked Questions
Which is better overall: Eufy Security Smart Lock C30 or Eufy Smart Lock C34?
Eufy Smart Lock C34 has the stronger overall profile in this comparison, especially for connectivity and integrations.
What is the biggest difference between Eufy Security Smart Lock C30 and Eufy Smart Lock C34?
Rating is one of the clearest differences: Eufy Security Smart Lock C30 lists 4.2, while Eufy Smart Lock C34 lists 4.0.
Which one looks better on price?
Eufy Security Smart Lock C30 is listed at $79.99, while Eufy Smart Lock C34 is listed at $79.99. Tie.
Who should buy Eufy Security Smart Lock C30?
Choose Eufy Security Smart Lock C30 if your priority is rating and that matters more than connectivity.
Who should buy Eufy Smart Lock C34?
Choose Eufy Smart Lock C34 if your priority is connectivity and integrations and that matters more than rating.
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