Door Locks · Head to head

Eufy Smart Lock C220 vs Nuki Smart Lock Ultra

Full Smart Door Locks comparison in 2026

Updated July 2026
Data from Amazon and official Eufy and Nuki sites.
2026 verdict
In 2026, the recommendation leans toward Nuki Smart Lock Ultra over Eufy Smart Lock C220, driven by rating, warranty, and connectivity. Its clearest strengths are rating, warranty, and connectivity, and it still looks stronger on integrations and one-time password. Eufy Smart Lock C220 is still relevant if you care most about price, weather resistance, and battery life, but Nuki Smart Lock Ultra is the stronger recommendation overall. For the average buyer, Nuki Smart Lock Ultra is the safer choice.
vs
FeatureEufy Smart Lock C220Nuki Smart Lock UltraWinner
Price$99.99€349.00Eufy Smart Lock C220
Rating4.34.5Nuki Smart Lock Ultra
Warranty1 year2 yearsNuki Smart Lock Ultra
Weather ResistanceIP53NOEufy Smart Lock C220
Battery Life8 months6 monthsEufy Smart Lock C220
Connectivity2.4 GHz WiFi2.4 GHz WiFi, Bluetooth, Thread ProtocolNuki Smart Lock Ultra
IntegrationsGoogle Home, Alexa, Home AssistantGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterNuki Smart Lock Ultra
One-Time PasswordNOKeypad requiredNuki Smart Lock Ultra
Periodic PasswordNOKeypad requiredNuki Smart Lock Ultra
Anti-peep PasswordYESNOEufy Smart Lock C220
Lock/Unlock SystemRemote, Passcode, Fingerprint, Apple Home Key, Physical KeyRemote, Bluetooth, Passcode, Fingerprint, Physical KeyTie
Emergency FingerprintNONOTie

Frequently Asked Questions

Which is better overall: Eufy Smart Lock C220 or Nuki Smart Lock Ultra?

Nuki Smart Lock Ultra has the stronger overall profile in this comparison, especially for rating, warranty, and connectivity.

What is the biggest difference between Eufy Smart Lock C220 and Nuki Smart Lock Ultra?

Price is one of the clearest differences: Eufy Smart Lock C220 lists $99.99, while Nuki Smart Lock Ultra lists €349.00.

Which one looks better on price?

Eufy Smart Lock C220 is listed at $99.99, while Nuki Smart Lock Ultra is listed at €349.00. Eufy Smart Lock C220 (better spec).

Who should buy Eufy Smart Lock C220?

Choose Eufy Smart Lock C220 if your priority is price and weather resistance and that matters more than rating.

Who should buy Nuki Smart Lock Ultra?

Choose Nuki Smart Lock Ultra if your priority is rating and warranty and that matters more than price.

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