Aqara Smart Lock U300 vs Nuki Smart Lock (US Edition) comparison

Updated June 2026

Data from Amazon and official Aqara and Nuki sites.

2026 verdict

In this 2026 Aqara Smart Lock U300 vs Nuki Smart Lock (US Edition) comparison, Aqara Smart Lock U300 comes out ahead thanks to price, weather resistance, and integrations. It builds its lead on price, weather resistance, and integrations, then backs it up with a stronger showing on Lock/Unlock system and One-Time password. The only strong reason to choose Nuki Smart Lock (US Edition) is if rating is more important to you than the overall verdict. For most setups, Aqara Smart Lock U300 is the smarter buy.

Feature	Aqara Smart Lock U300	Nuki Smart Lock (US Edition)	Winner
Price	$189.99	$199.00	Aqara Smart Lock U300
Rating	3.7	4.2	Nuki Smart Lock (US Edition)
Weather Resistance	IPX4	NO	Aqara Smart Lock U300
Integrations	Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, IFTTT, Matter	Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter	Aqara Smart Lock U300
Lock/Unlock System	Remote, Bluetooth, Passcode, Fingerprint, NFC Tag, Apple Home Key, Physical Key	Remote, Bluetooth, Physical Key	Aqara Smart Lock U300
One-Time Password	YES	NO	Aqara Smart Lock U300
Periodic Password	YES	NO	Aqara Smart Lock U300
Anti-peep Password	YES	NO	Aqara Smart Lock U300
Connectivity	Bluetooth, Thread Protocol, Other	2.4 GHz WiFi, Bluetooth, Thread Protocol	Tie
Emergency Fingerprint	NO	NO	Tie
Doorbell	NO	NO	Tie

Winner

Aqara

Aqara Smart Lock U300

$189.99

Buy on Amazon USA

+ Price: $189.99
+ Weather Resistance: IPX4
+ Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, IFTTT, Matter
- Rating: 3.7 vs 4.2

Nuki

Nuki Smart Lock (US Edition)

$199.00

Buy on Amazon USA

+ Rating: 4.2
- Price: $199.00 vs $189.99
- Weather Resistance: NO vs IPX4

Frequently Asked Questions

Which is better overall: Aqara Smart Lock U300 or Nuki Smart Lock (US Edition)?

Aqara Smart Lock U300 has the stronger overall profile in this comparison, especially for price, weather resistance, and integrations.

What is the biggest difference between Aqara Smart Lock U300 and Nuki Smart Lock (US Edition)?

Price is one of the clearest differences: Aqara Smart Lock U300 lists $189.99, while Nuki Smart Lock (US Edition) lists $199.00.

Which one looks better on price?

Aqara Smart Lock U300 is listed at $189.99, while Nuki Smart Lock (US Edition) is listed at $199.00. Aqara Smart Lock U300 (better spec).

Who should buy Aqara Smart Lock U300?

Choose Aqara Smart Lock U300 if your priority is price and weather resistance and that matters more than rating.

Who should buy Nuki Smart Lock (US Edition)?

Choose Nuki Smart Lock (US Edition) if your priority is rating and that matters more than price.

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