Door Locks · Head to head

Eufy Video Smart Lock E330 vs Nuki Smart Lock Ultra

Full Smart Door Locks comparison in 2026

Updated August 2026
Data from Amazon and official Eufy and Nuki sites.
2026 verdict
The Nuki Smart Lock Ultra is Nuki's most polished lock yet, but it still comes up short against the Eufy Video Smart Lock E330 on price, weatherproofing, battery life, its built-in one-time, periodic, and anti-peep guest passcodes, and its 2K camera and doorbell, features the Ultra skips entirely. The Ultra is Nuki's flagship retrofit lock for European-style doors, faster and more compact than earlier Nuki models, with built-in Wi-Fi so remote access works without a paid add-on. It answers back with a higher owner rating, a longer warranty, and support for more smart-home platforms (Apple HomeKit, Samsung SmartThings, and Matter, none of which the E330 reaches), plus Bluetooth proximity unlock. If you want a US deadbolt with fingerprint entry and a built-in doorbell camera, the Eufy Video Smart Lock E330 is the pick; if you have a European door and want Nuki's best-built, most compatible lock, the Nuki Smart Lock Ultra is worth the premium.
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FeatureEufy Video Smart Lock E330Nuki Smart Lock UltraWinner
Rating4.14.5Nuki Smart Lock Ultra
Warranty1 year2 yearsNuki Smart Lock Ultra
Weather ResistanceIP53NOEufy Video Smart Lock E330
Battery Life8 months6 monthsEufy Video Smart Lock E330
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 PasswordYESKeypad requiredEufy Video Smart Lock E330
Periodic PasswordYESKeypad requiredEufy Video Smart Lock E330
Anti-peep PasswordYESNOEufy Video Smart Lock E330
DoorbellYESNOEufy Video Smart Lock E330
Lock/Unlock SystemRemote, Passcode, Fingerprint, Apple Home Key, Physical KeyRemote, Bluetooth, Passcode, Fingerprint, Physical KeyTie
Emergency FingerprintNONOTie

Frequently Asked Questions

Which is better overall: the Eufy Video Smart Lock E330 or the Nuki Smart Lock Ultra?

The Eufy Video Smart Lock E330 wins this comparison on price, weather resistance, battery life, and its built-in 2K camera and doorbell. The Nuki Smart Lock Ultra rates higher with owners, carries a longer warranty, and reaches more smart-home platforms, so the better fit depends on whether you need video and a US-style deadbolt or Nuki's flagship retrofit experience.

What is the biggest difference between the two locks?

The Eufy Video Smart Lock E330 is a US deadbolt with a fingerprint reader and a built-in 2K camera and video doorbell recording locally with no subscription. The Nuki Smart Lock Ultra is a premium European cylinder retrofit with built-in Wi-Fi and hands-free auto-unlock, but no camera at all.

Does the Nuki Smart Lock Ultra have a camera or doorbell?

No. The Nuki Smart Lock Ultra has no camera, night vision, or doorbell function. Only the Eufy Video Smart Lock E330 offers a built-in camera and video doorbell in this comparison.

How does battery life compare?

The Eufy Video Smart Lock E330 is rated for about 8 months per charge, versus roughly 6 months for the Nuki Smart Lock Ultra.

Who should buy the Eufy Video Smart Lock E330?

Buyers with a US-style door who want a fingerprint deadbolt with a built-in 2K video doorbell camera, subscription-free local storage, and a lower price than Nuki's flagship.

Who should buy the Nuki Smart Lock Ultra?

Owners of a European cylinder door who want Nuki's fastest, most premium retrofit lock, built-in Wi-Fi with no paid add-on, and the widest native smart-home platform support.

Full comparison table

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