Door Locks · Head to head

Aqara Smart Lock U300 vs ULTRALOQ U-Bolt Pro WiFi

Full Smart Door Locks comparison in 2026

Updated May 2026
Data from Amazon and official Aqara and ULTRALOQ sites.
2026 verdict
In 2026, the recommendation leans toward Aqara Smart Lock U300 over ULTRALOQ U-Bolt Pro WiFi, driven by weather resistance, connectivity, and integrations. It separates itself most clearly on weather resistance, connectivity, and integrations, while still looking better on Lock/Unlock system and Anti-peep password. There is still a case for ULTRALOQ U-Bolt Pro WiFi, but mainly if price and rating are what you value most. As a general recommendation, Aqara Smart Lock U300 comes out on top.
vs
FeatureAqara Smart Lock U300ULTRALOQ U-Bolt Pro WiFiWinner
Price$189.99$129.97ULTRALOQ U-Bolt Pro WiFi
Rating3.74.2ULTRALOQ U-Bolt Pro WiFi
Weather ResistanceIPX4NOAqara Smart Lock U300
ConnectivityBluetooth, Thread Protocol, Other2.4 GHz WiFi, BluetoothAqara Smart Lock U300
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, IFTTT, MatterGoogle Home, Alexa, Samsung SmartThings, IFTTTAqara Smart Lock U300
Lock/Unlock SystemRemote, Bluetooth, Passcode, Fingerprint, NFC Tag, Apple Home Key, Physical KeyRemote, Bluetooth, Passcode, Fingerprint, Physical KeyAqara Smart Lock U300
Anti-peep PasswordYESNOAqara Smart Lock U300
One-Time PasswordYESYESTie
Periodic PasswordYESYESTie
Emergency FingerprintNONOTie
DoorbellNONOTie

Frequently Asked Questions

Which is better overall: Aqara Smart Lock U300 or ULTRALOQ U-Bolt Pro WiFi?

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

What is the biggest difference between Aqara Smart Lock U300 and ULTRALOQ U-Bolt Pro WiFi?

Price is one of the clearest differences: Aqara Smart Lock U300 lists $189.99, while ULTRALOQ U-Bolt Pro WiFi lists $129.97.

Which one looks better on price?

Aqara Smart Lock U300 is listed at $189.99, while ULTRALOQ U-Bolt Pro WiFi is listed at $129.97. ULTRALOQ U-Bolt Pro WiFi (better spec).

Who should buy Aqara Smart Lock U300?

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

Who should buy ULTRALOQ U-Bolt Pro WiFi?

Choose ULTRALOQ U-Bolt Pro WiFi if your priority is price and rating and that matters more than weather resistance.

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