Door Locks · Head to head

Eufy Smart Lock E31 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 beats Eufy Smart Lock E31 in 2026, with its clearest edge on price, rating, and battery life. What pushes it ahead is price, rating, and battery life, and connectivity and Lock/Unlock system keep the advantage from looking narrow. There is still a case for Eufy Smart Lock E31, but mainly if Anti-peep password is what you value most. That is why the final call still favors ULTRALOQ Bolt SE.
vs
FeatureEufy Smart Lock E31ULTRALOQ Bolt SEWinner
Price$134.99$89.99ULTRALOQ Bolt SE
Rating4.24.3ULTRALOQ Bolt SE
Battery Life14 months18 monthsULTRALOQ Bolt SE
Connectivity2.4 GHz WiFi2.4 GHz WiFi, Bluetooth, Thread ProtocolULTRALOQ Bolt SE
Lock/Unlock SystemRemote, Passcode, Fingerprint, Physical KeyRemote, Bluetooth, Passcode, Fingerprint, Physical KeyULTRALOQ Bolt SE
Anti-peep PasswordYESNOEufy Smart Lock E31
Weather ResistanceNONOTie
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterTie
One-Time PasswordYESYESTie
Periodic PasswordYESYESTie
Emergency FingerprintNONOTie
DoorbellNONOTie

Frequently Asked Questions

Which is better overall: Eufy Smart Lock E31 or ULTRALOQ Bolt SE?

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

What is the biggest difference between Eufy Smart Lock E31 and ULTRALOQ Bolt SE?

Price is one of the clearest differences: Eufy Smart Lock E31 lists $134.99, while ULTRALOQ Bolt SE lists $89.99.

Which one looks better on price?

Eufy Smart Lock E31 is listed at $134.99, while ULTRALOQ Bolt SE is listed at $89.99. ULTRALOQ Bolt SE (better spec).

Who should buy Eufy Smart Lock E31?

Choose Eufy Smart Lock E31 if your priority is Anti-peep password and that matters more than price.

Who should buy ULTRALOQ Bolt SE?

Choose ULTRALOQ Bolt SE if your priority is price and rating and that matters more than Anti-peep password.

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