Aqara Smart Lock U100 vs Nuki Smart Lock Ultra

Updated April 2026

Data from Amazon and official Aqara and Nuki sites.

2026 verdict

In 2026, the recommendation leans toward Aqara Smart Lock U100. Its biggest wins come from price, weather resistance, and battery life, and lock/unlock system and one-time 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. In practical terms, Aqara Smart Lock U100 is the easier product to recommend.

Winner

Aqara

Aqara Smart Lock U100

26% OFF

$189.99

$139.99

BUY NOW

Nuki

Nuki Smart Lock Ultra

€349.00

BUY NOW

Feature	Aqara Smart Lock U100	Nuki Smart Lock Ultra	Winner
Price	$139.99	€349.00	Aqara Smart Lock U100
Rating	4.2	4.4	Nuki Smart Lock Ultra
Warranty	1 year	2 years	Nuki Smart Lock Ultra
Weather Resistance	IP65	NO	Aqara Smart Lock U100
Battery Life	8 months	6 months	Aqara Smart Lock U100
Connectivity	Bluetooth, Zigbee	2.4 GHz Wifi, Bluetooth, Thread Protocol	Nuki Smart Lock Ultra
Lock/Unlock System	Remote, Bluetooth, Passcode, Fingerprint, NFC Tag, Apple Home Key, Physical Key	Remote, Bluetooth, Passcode, Fingerprint, Physical Key	Aqara Smart Lock U100
One-Time Password	YES	Keypad required	Aqara Smart Lock U100
Periodic Password	YES	Keypad required	Aqara Smart Lock U100
Anti-peep Password	YES	NO	Aqara Smart Lock U100
Integrations	Google Home, Alexa, Apple HomeKit, Home Assistant, IFTTT, Matter	Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter	Tie
Emergency Fingerprint	NO	NO	Tie

Winner

Aqara

Aqara Smart Lock U100

26% OFF

$189.99

$139.99

BUY NOW

+ Price: $139.99
+ Weather Resistance: IP65
+ Battery Life: 8 months
- Rating: 4.2 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 $139.99
- Weather Resistance: NO vs IP65

Frequently Asked Questions (FAQ)

Which is better overall: Aqara Smart Lock U100 or Nuki Smart Lock Ultra?: Aqara Smart Lock U100 has the stronger overall profile in this comparison, especially for price, weather resistance, and battery life.
What is the biggest difference between Aqara Smart Lock U100 and Nuki Smart Lock Ultra?: Price is one of the clearest differences: Aqara Smart Lock U100 lists $139.99, while Nuki Smart Lock Ultra lists €349.00.
Which one looks better on price?: Aqara Smart Lock U100 is listed at $139.99, while Nuki Smart Lock Ultra is listed at €349.00. Aqara Smart Lock U100 (better spec).
Who should buy Aqara Smart Lock U100?: Choose Aqara Smart Lock U100 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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