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Door Locks · Head to head

Eufy FamiLock S3 Max vs ULTRALOQ Bolt Mission

Full Smart Door Locks comparison in 2026

Updated September 2026
Data from Amazon and official Eufy and ULTRALOQ sites.
2026 verdict
In this 2026 ULTRALOQ Bolt Mission vs Eufy FamiLock S3 Max comparison, ULTRALOQ Bolt Mission comes out ahead thanks to price, battery life, and connectivity.
ULTRALOQ Bolt Mission
Winner
ULTRALOQ Bolt Mission
$299.99
Buy on Amazon USACheck price
Its clearest strengths are price, battery life, and connectivity, and it still looks stronger on Lock/Unlock system. There is still a case for Eufy FamiLock S3 Max, but mainly if rating, warranty, and doorbell are what you value most. As a general recommendation, ULTRALOQ Bolt Mission comes out on top.
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FeatureEufy FamiLock S3 MaxULTRALOQ Bolt MissionWinner
Price$329.99$299.99ULTRALOQ Bolt Mission
Rating4.23.9Eufy FamiLock S3 Max
Warranty1.5 years18 monthsEufy FamiLock S3 Max
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 Max
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

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 FamiLock S3 Max
  • ULTRALOQ Bolt Mission

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Frequently Asked Questions

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

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

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

Price is one of the clearest differences: Eufy FamiLock S3 Max lists $329.99, while ULTRALOQ Bolt Mission lists $299.99.

Which one looks better on price?

Eufy FamiLock S3 Max is listed at $329.99, while ULTRALOQ Bolt Mission is listed at $299.99. ULTRALOQ Bolt Mission (better spec).

Who should buy Eufy FamiLock S3 Max?

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

Who should buy ULTRALOQ Bolt Mission?

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

Full comparison table

Compare all 45 Door Locks side by side

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  • 45 Door Locks
  • 55 specs compared
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