Eufy Video Smart Lock S330 vs Nuki Smart Lock Ultra

Updated April 2026

Data from Amazon and official Eufy and Nuki sites.

2026 verdict

For most buyers in 2026, Eufy Video Smart Lock S330 is the safer pick. Its biggest wins come from price, weather resistance, and one-time password, and periodic password and anti-peep password adds more confidence to the verdict. Nuki Smart Lock Ultra is the better fit only for buyers who prioritize rating, warranty, and connectivity above everything else here. For the average buyer, Eufy Video Smart Lock S330 is the safer choice.

Winner

Eufy

Eufy Video Smart Lock S330

14% OFF

$349.99

$299.99

BUY NOW

Nuki

Nuki Smart Lock Ultra

€349.00

BUY NOW

Feature	Eufy Video Smart Lock S330	Nuki Smart Lock Ultra	Winner
Price	$299.99	€349.00	Eufy Video Smart Lock S330
Rating	4.1	4.4	Nuki Smart Lock Ultra
Warranty	1 year	2 years	Nuki Smart Lock Ultra
Weather Resistance	IP65	NO	Eufy Video Smart Lock S330
Connectivity	2.4 GHz Wifi	2.4 GHz Wifi, Bluetooth, Thread Protocol	Nuki Smart Lock Ultra
Integrations	Google Home, Alexa, Home Assistant	Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter	Nuki Smart Lock Ultra
One-Time Password	YES	Keypad required	Eufy Video Smart Lock S330
Periodic Password	YES	Keypad required	Eufy Video Smart Lock S330
Anti-peep Password	YES	NO	Eufy Video Smart Lock S330
Doorbell	YES	NO	Eufy Video Smart Lock S330
Lock/Unlock System	Remote, Passcode, Fingerprint, Apple Home Key, Physical Key	Remote, Bluetooth, Passcode, Fingerprint, Physical Key	Tie
Emergency Fingerprint	NO	NO	Tie

Winner

Eufy

Eufy Video Smart Lock S330

14% OFF

$349.99

$299.99

BUY NOW

+ Price: $299.99
+ Weather Resistance: IP65
+ One-Time Password: YES
- Rating: 4.1 vs 4.4
- Warranty: 1 year vs 2 years

Nuki

Nuki Smart Lock Ultra

€349.00

BUY NOW

+ Rating: 4.4
+ Warranty: 2 years
+ Connectivity: 2.4 GHz Wifi, Bluetooth, Thread Protocol
- Price: €349.00 vs $299.99
- Weather Resistance: NO vs IP65

Frequently Asked Questions (FAQ)

Which is better overall: Eufy Video Smart Lock S330 or Nuki Smart Lock Ultra?: Eufy Video Smart Lock S330 has the stronger overall profile in this comparison, especially for price, weather resistance, and one-time password.
What is the biggest difference between Eufy Video Smart Lock S330 and Nuki Smart Lock Ultra?: Price is one of the clearest differences: Eufy Video Smart Lock S330 lists $299.99, while Nuki Smart Lock Ultra lists €349.00.
Which one looks better on price?: Eufy Video Smart Lock S330 is listed at $299.99, while Nuki Smart Lock Ultra is listed at €349.00. Eufy Video Smart Lock S330 (better spec).
Who should buy Eufy Video Smart Lock S330?: Choose Eufy Video Smart Lock S330 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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