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Door Locks · Head to head

Eufy Security Smart Lock C30 vs Eufy Smart Lock C34

Full Smart Door Locks comparison in 2026

Updated October 2026
Data from Amazon and 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.
Eufy Smart Lock C34
Winner
Eufy Smart Lock C34

Last recorded priceOct 7, 2026$79.99

Currently unavailable on Amazon USA
See on Amazon USA
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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FeatureEufy Security Smart Lock C30Eufy Smart Lock C34Winner
Rating4.23.9Eufy Security Smart Lock C30
Connectivity2.4 GHz WiFi2.4 GHz WiFi, Thread ProtocolEufy Smart Lock C34
IntegrationsGoogle Home, Alexa, Home AssistantGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterEufy Smart Lock C34
Warranty1.5 years1.5 yearsTie
Lock/Unlock SystemRemote, Passcode, Physical KeyRemote, Passcode, Physical KeyTie
One-Time PasswordYESYESTie
Periodic PasswordYESYESTie
Emergency FingerprintNONOTie
DoorbellNONOTie
Eufy

Eufy Security Smart Lock C30

31% OFF
Prime exclusive deal
$54.98
$79.99

Last recorded price

Buy on Amazon USA
  • + 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
Eufy

Eufy Smart Lock C34

Prime exclusive deal

Last recorded priceOct 7, 2026$79.99

Currently unavailable on Amazon USA
See on Amazon USA
  • + Connectivity: 2.4 GHz WiFi, Thread Protocol
  • + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
  • - Rating: 3.9 vs 4.2

Price history compared

Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.

  • Eufy Security Smart Lock C30
  • Eufy Smart Lock C34

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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 3.9.

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.

Full comparison table

Compare all 49 Door Locks side by side

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  • 49 Door Locks
  • 55 specs compared
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