Door Locks · Head to head

Eufy Smart Lock C220 vs Nuki Smart Lock Go

Full Smart Door Locks comparison in 2026

Updated September 2026
Data from Amazon and official Eufy and Nuki sites.
2026 verdict
The Nuki Smart Lock Go is the more connected smart lock here, edging the Eufy Smart Lock C220 on smart-home integrations, connectivity, guest passwords and warranty.
It is a tool-free retrofit for European euro-cylinder doors that pairs Wi-Fi, Bluetooth and Matter over Thread with Apple HomeKit, Google Home, Alexa, SmartThings and Home Assistant, adds hands-free auto-unlock, and backs it with a 2-year warranty. That breadth comes with asterisks: the Nuki Smart Lock Go's passcode, fingerprint and guest codes all require the separate Keypad accessory, and free remote access needs a paid add-on. The Eufy Smart Lock C220 counters as a self-contained US-style deadbolt with a built-in fingerprint reader and keypad, anti-peep passcodes, an IP53 weather rating and a higher owner rating, all over built-in Wi-Fi with no extra purchases. Choose the Nuki Smart Lock Go for a renter-friendly euro-door retrofit with the widest platform reach; pick the Eufy Smart Lock C220 for a weatherproof, all-in-one US deadbolt whose fingerprint and codes work out of the box.
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FeatureEufy Smart Lock C220Nuki Smart Lock GoWinner
Rating4.33.8Eufy Smart Lock C220
Warranty1 year2 yearsNuki Smart Lock Go
Weather ResistanceIP53NOEufy Smart Lock C220
Connectivity2.4 GHz WiFi2.4 GHz WiFi, Bluetooth, Thread ProtocolNuki Smart Lock Go
IntegrationsGoogle Home, Alexa, Home AssistantGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterNuki Smart Lock Go
One-Time PasswordNOKeypad requiredNuki Smart Lock Go
Periodic PasswordNOKeypad requiredNuki Smart Lock Go
Anti-peep PasswordYESNOEufy Smart Lock C220
Lock/Unlock SystemRemote, Passcode, Fingerprint, Apple Home Key, Physical KeyRemote, Bluetooth, Passcode, Fingerprint, Physical KeyTie
Emergency FingerprintNONOTie
DoorbellNONOTie
Winner
Price unavailable right now
  • + Warranty: 2 years
  • + Connectivity: 2.4 GHz WiFi, Bluetooth, Thread Protocol
  • + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
  • - Rating: 3.8 vs 4.3
  • - Weather Resistance: NO vs IP53

Frequently Asked Questions

Which is better overall, the Eufy Smart Lock C220 or the Nuki Smart Lock Go?

The Nuki Smart Lock Go wins overall on smart-home breadth: more platform integrations (including Apple HomeKit and Matter), Bluetooth and Thread connectivity, hands-free auto-unlock and a 2-year warranty. The Eufy Smart Lock C220 is the better everyday value, with a built-in fingerprint reader and keypad, anti-peep codes, IP53 weather resistance and a higher owner rating, none of which need add-on accessories.

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

Form factor. The Nuki Smart Lock Go is a retrofit that mounts over an existing European euro-cylinder without drilling, ideal for renters, and adds keypad or fingerprint entry only through separate accessories. The Eufy Smart Lock C220 is a full US-style deadbolt replacement with a built-in fingerprint reader, keypad and physical key.

Do the Nuki Smart Lock Go's extra features cost more?

Yes. On its own the Nuki Smart Lock Go unlocks by Bluetooth, auto-unlock and physical key, but passcode, fingerprint and one-time or periodic guest codes require the separate Nuki Keypad, and full remote access typically needs a paid add-on. The Eufy Smart Lock C220 includes fingerprint, keypad and built-in Wi-Fi remote control at no extra cost.

Which lock works with more smart-home platforms?

The Nuki Smart Lock Go does. It supports Apple HomeKit, Google Home, Alexa, SmartThings, Home Assistant and Matter over Thread. The Eufy Smart Lock C220 works with Google Home, Alexa and Home Assistant only, with no Apple HomeKit or Matter.

Who should buy the Eufy Smart Lock C220 instead?

Choose the Eufy Smart Lock C220 if you have a standard US deadbolt and want built-in fingerprint entry, anti-peep passcodes and IP53 weather resistance without buying accessories, on a lock owners rate highly. The Nuki Smart Lock Go suits European doors and buyers who want the widest platform support and hands-free auto-unlock.

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