Door Locks · Head to head

Eufy FamiLock S3 vs ULTRALOQ Bolt Mission

Full Smart Door Locks comparison in 2026

Updated November 2026
Data from the official Eufy and ULTRALOQ sites.
2026 verdict
Between ULTRALOQ Bolt Mission and Eufy FamiLock S3, ULTRALOQ Bolt Mission is the better overall pick in 2026, leading on price, rating, and battery life.
ULTRALOQ Bolt Mission
Winner
ULTRALOQ Bolt Mission
$254.99$299.9915% OFF
Its strongest advantages show up in price, rating, and battery life, with connectivity and Lock/Unlock system helping widen the gap. There is still a case for Eufy FamiLock S3, but mainly if warranty and doorbell are what you value most. That keeps the verdict firmly in favor of ULTRALOQ Bolt Mission.
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FeatureEufy FamiLock S3ULTRALOQ Bolt MissionWinner
Price$404.18$254.99ULTRALOQ Bolt Mission
Rating4.04.2ULTRALOQ Bolt Mission
Warranty1.5 years18 monthsEufy FamiLock S3
Battery Life4 months8 monthsULTRALOQ Bolt Mission
Connectivity2.4 GHz WiFiBluetooth, Thread Protocol, OtherULTRALOQ Bolt Mission
Lock/Unlock SystemRemote, Passcode, Physical KeyRemote, Bluetooth, Passcode, NFC Tag, Physical KeyULTRALOQ Bolt Mission
DoorbellYESNOEufy FamiLock S3
Weather ResistanceIP65IP65Tie
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

Frequently Asked Questions

Which is better overall: Eufy FamiLock S3 or ULTRALOQ Bolt Mission?

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

What is the biggest difference between Eufy FamiLock S3 and ULTRALOQ Bolt Mission?

Price is one of the clearest differences: Eufy FamiLock S3 lists $404.18, while ULTRALOQ Bolt Mission lists $254.99.

Which one looks better on price?

Eufy FamiLock S3 is listed at $404.18, while ULTRALOQ Bolt Mission is listed at $254.99. ULTRALOQ Bolt Mission (better spec).

Who should buy Eufy FamiLock S3?

Choose Eufy FamiLock S3 if your priority is warranty and doorbell and that matters more than price.

Who should buy ULTRALOQ Bolt Mission?

Choose ULTRALOQ Bolt Mission if your priority is price and rating and that matters more than warranty.

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