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Eufy FamiLock S3 Max vs Nuki Smart Lock Pro

Full Smart Door Locks comparison in 2026

Updated June 2026
Data from Amazon and official Eufy and Nuki sites.
2026 verdict
Between Nuki Smart Lock Pro and Eufy FamiLock S3 Max, Nuki Smart Lock Pro is the better overall pick in 2026, leading on price, warranty, and battery life. It builds its lead on price, warranty, and battery life, then backs it up with a stronger showing on connectivity and integrations. Pick Eufy FamiLock S3 Max only when rating, weather resistance, and doorbell is the deciding factor for your setup. That keeps the verdict firmly in favor of Nuki Smart Lock Pro.
vs
FeatureEufy FamiLock S3 MaxNuki Smart Lock ProWinner
Price$279.98€269.00Nuki Smart Lock Pro
Rating4.44.3Eufy FamiLock S3 Max
Warranty18 months2 yearsNuki Smart Lock Pro
Weather ResistanceIP65NOEufy FamiLock S3 Max
Battery Life4 months6 monthsNuki Smart Lock Pro
Connectivity2.4 GHz WiFi2.4 GHz WiFi, Bluetooth, Thread ProtocolNuki Smart Lock Pro
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, MatterGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterNuki Smart Lock Pro
Lock/Unlock SystemRemote, Passcode, Physical KeyRemote, Bluetooth, Passcode, Fingerprint, Physical KeyNuki Smart Lock Pro
One-Time PasswordNOKeypad requiredNuki Smart Lock Pro
Periodic PasswordNOKeypad requiredNuki Smart Lock Pro
DoorbellYESNOEufy FamiLock S3 Max
Anti-peep PasswordNONOTie

Frequently Asked Questions (FAQ)

Which is better overall: Eufy FamiLock S3 Max or Nuki Smart Lock Pro?
Nuki Smart Lock Pro has the stronger overall profile in this comparison, especially for price, warranty, and battery life.
What is the biggest difference between Eufy FamiLock S3 Max and Nuki Smart Lock Pro?
Price is one of the clearest differences: Eufy FamiLock S3 Max lists $279.98, while Nuki Smart Lock Pro lists €269.00.
Which one looks better on price?
Eufy FamiLock S3 Max is listed at $279.98, while Nuki Smart Lock Pro is listed at €269.00. Nuki Smart Lock Pro (better spec).
Who should buy Eufy FamiLock S3 Max?
Choose Eufy FamiLock S3 Max if your priority is rating and weather resistance and that matters more than price.
Who should buy Nuki Smart Lock Pro?
Choose Nuki Smart Lock Pro if your priority is price and warranty and that matters more than rating.
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