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Door Locks · Head to head

Eufy FamiLock E40 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
Eufy FamiLock E40 has the better all-around case than ULTRALOQ Bolt Mission in 2026, starting with rating, warranty, and Lock/Unlock system.
Eufy FamiLock E40
Winner
Eufy FamiLock E40
$299.99
Buy on Amazon USACheck price
It separates itself most clearly on rating, warranty, and Lock/Unlock system, while still looking better on doorbell. ULTRALOQ Bolt Mission is the better fit only for buyers who prioritize battery life and connectivity above everything else here. That keeps the verdict firmly in favor of Eufy FamiLock E40.
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FeatureEufy FamiLock E40ULTRALOQ Bolt MissionWinner
Rating4.43.9Eufy FamiLock E40
Warranty1.5 years18 monthsEufy FamiLock E40
Battery Life6 months8 monthsULTRALOQ Bolt Mission
Connectivity2.4 GHz WiFi, BluetoothBluetooth, Thread Protocol, OtherULTRALOQ Bolt Mission
Lock/Unlock SystemRemote, Bluetooth, Passcode, Fingerprint, Face Recognition, Physical KeyRemote, Bluetooth, Passcode, NFC Tag, Physical KeyEufy FamiLock E40
DoorbellYESNOEufy FamiLock E40
Price$299.99$299.99Tie
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
Winner
Eufy

Eufy FamiLock E40

$299.99
Buy on Amazon USACheck price
  • + Rating: 4.4
  • + Warranty: 1.5 years
  • + Lock/Unlock System: Remote, Bluetooth, Passcode, Fingerprint, Face Recognition, Physical Key
  • - Battery Life: 6 months vs 8 months
  • - Connectivity: 2.4 GHz WiFi, Bluetooth vs Bluetooth, Thread Protocol, Other

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 E40
  • ULTRALOQ Bolt Mission

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Frequently Asked Questions

Which is better overall: Eufy FamiLock E40 or ULTRALOQ Bolt Mission?

Eufy FamiLock E40 has the stronger overall profile in this comparison, especially for rating, warranty, and Lock/Unlock system.

What is the biggest difference between Eufy FamiLock E40 and ULTRALOQ Bolt Mission?

Rating is one of the clearest differences: Eufy FamiLock E40 lists 4.4, while ULTRALOQ Bolt Mission lists 3.9.

Which one looks better on price?

Eufy FamiLock E40 is listed at $299.99, while ULTRALOQ Bolt Mission is listed at $299.99. Tie.

Who should buy Eufy FamiLock E40?

Choose Eufy FamiLock E40 if your priority is rating and warranty and that matters more than battery life.

Who should buy ULTRALOQ Bolt Mission?

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

Full comparison table

Compare all 46 Door Locks side by side

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  • 46 Door Locks
  • 55 specs compared
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