Aqara Smart Lock U200 vs Nuki Smart Lock Ultra

Data from Amazon and official Aqara and Nuki sites.

2026 verdict

In this 2026 comparison, Aqara Smart Lock U200 comes out ahead overall. Its strongest advantages show up in price, weather resistance, and lock/unlock system, with one-time password and periodic password helping widen the gap. Nuki Smart Lock Ultra remains a niche alternative if rating, warranty, and connectivity matters more than the rest of the comparison. That makes Aqara Smart Lock U200 the clearer recommendation in 2026.

Winner

Aqara

Aqara Smart Lock U200

$169.99

BUY NOW

Nuki

Nuki Smart Lock Ultra

€349.00

BUY NOW

Feature	Aqara Smart Lock U200	Nuki Smart Lock Ultra	Winner
Price	$169.99	€349.00	Aqara Smart Lock U200
Rating	2.9	4.4	Nuki Smart Lock Ultra
Warranty	1 year	2 years	Nuki Smart Lock Ultra
Weather Resistance	IPX5	NO	Aqara Smart Lock U200
Connectivity	Thread Protocol	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 U200
One-Time Password	YES	Keypad required	Aqara Smart Lock U200
Periodic Password	YES	Keypad required	Aqara Smart Lock U200
Anti-peep Password	YES	NO	Aqara Smart Lock U200
Battery Life	6 months	6 months	Tie
Integrations	Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter	Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter	Tie
Emergency Fingerprint	NO	NO	Tie

Winner

Aqara

Aqara Smart Lock U200

$169.99

BUY NOW

+ Price: $169.99
+ Weather Resistance: IPX5
+ Lock/Unlock System: Remote, Bluetooth, Passcode, Fingerprint, NFC Tag, Apple Home Key, Physical Key
- Rating: 2.9 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 $169.99
- Weather Resistance: NO vs IPX5

Frequently Asked Questions (FAQ)

Which is better overall: Aqara Smart Lock U200 or Nuki Smart Lock Ultra?: Aqara Smart Lock U200 has the stronger overall profile in this comparison, especially for price, weather resistance, and lock/unlock system.
What is the biggest difference between Aqara Smart Lock U200 and Nuki Smart Lock Ultra?: Price is one of the clearest differences: Aqara Smart Lock U200 lists $169.99, while Nuki Smart Lock Ultra lists €349.00.
Which one looks better on price?: Aqara Smart Lock U200 is listed at $169.99, while Nuki Smart Lock Ultra is listed at €349.00. Aqara Smart Lock U200 (better spec).
Who should buy Aqara Smart Lock U200?: Choose Aqara Smart Lock U200 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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