Door Locks · Head to head

Eufy Smart Lock C34 vs ULTRALOQ Bolt SE

Full Smart Door Locks comparison in 2026

Updated August 2026
Data from Amazon and official Eufy and ULTRALOQ sites.
2026 verdict
ULTRALOQ Bolt SE is the more complete option versus Eufy Smart Lock C34 in 2026, helped most by rating, battery life, and connectivity. What pushes it ahead is rating, battery life, and connectivity, and Lock/Unlock system keeps the advantage from looking narrow. Eufy Smart Lock C34 can still be the right pick, but only if price and warranty outweigh the wider strengths of ULTRALOQ Bolt SE. That keeps the verdict firmly in favor of ULTRALOQ Bolt SE.
vs
FeatureEufy Smart Lock C34ULTRALOQ Bolt SEWinner
Price$79.99$119.99Eufy Smart Lock C34
Rating3.94.3ULTRALOQ Bolt SE
Warranty1.5 years18 monthsEufy Smart Lock C34
Battery Life8 months18 monthsULTRALOQ Bolt SE
Connectivity2.4 GHz WiFi2.4 GHz WiFi, Bluetooth, Thread ProtocolULTRALOQ Bolt SE
Lock/Unlock SystemRemote, Passcode, Physical KeyRemote, Bluetooth, Passcode, Fingerprint, Physical KeyULTRALOQ Bolt SE
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterTie
One-Time PasswordYESYESTie
Periodic PasswordYESYESTie
Anti-peep PasswordNONOTie
Emergency FingerprintNONOTie
DoorbellNONOTie

Frequently Asked Questions

Which is better overall: Eufy Smart Lock C34 or ULTRALOQ Bolt SE?

ULTRALOQ Bolt SE has the stronger overall profile in this comparison, especially for rating, battery life, and connectivity.

What is the biggest difference between Eufy Smart Lock C34 and ULTRALOQ Bolt SE?

Price is one of the clearest differences: Eufy Smart Lock C34 lists $79.99, while ULTRALOQ Bolt SE lists $119.99.

Which one looks better on price?

Eufy Smart Lock C34 is listed at $79.99, while ULTRALOQ Bolt SE is listed at $119.99. Eufy Smart Lock C34 (better spec).

Who should buy Eufy Smart Lock C34?

Choose Eufy Smart Lock C34 if your priority is price and warranty and that matters more than rating.

Who should buy ULTRALOQ Bolt SE?

Choose ULTRALOQ Bolt SE if your priority is rating and battery life and that matters more than price.

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