Door Locks · Head to head

Eufy Smart Lock C33 vs ULTRALOQ U-Bolt Pro WiFi

Full Smart Door Locks comparison in 2026

Updated September 2026
Data from Amazon and official Eufy and ULTRALOQ sites.
2026 verdict
Between Eufy Smart Lock C33 and ULTRALOQ U-Bolt Pro WiFi, Eufy Smart Lock C33 is the better overall pick in 2026, leading on warranty, weather resistance, and Anti-peep password.
Eufy Smart Lock C33
Winner
Eufy Smart Lock C33
$129.99$169.9924% OFF
Buy on Amazon USACheck price
What pushes it ahead is warranty, weather resistance, and Anti-peep password, and its broader overall balance keeps the advantage from looking narrow. Pick ULTRALOQ U-Bolt Pro WiFi only when rating, connectivity, and Lock/Unlock system are the deciding factor for your setup. For most setups, Eufy Smart Lock C33 is the smarter buy.
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FeatureEufy Smart Lock C33ULTRALOQ U-Bolt Pro WiFiWinner
Rating4.14.2ULTRALOQ U-Bolt Pro WiFi
Warranty1.5 years18 monthsEufy Smart Lock C33
Weather ResistanceIP53NOEufy Smart Lock C33
Connectivity2.4 GHz WiFi2.4 GHz WiFi, BluetoothULTRALOQ U-Bolt Pro WiFi
Lock/Unlock SystemRemote, Passcode, Fingerprint, Physical KeyRemote, Bluetooth, Passcode, Fingerprint, Physical KeyULTRALOQ U-Bolt Pro WiFi
Anti-peep PasswordYESNOEufy Smart Lock C33
Price$129.99$129.99Tie
IntegrationsGoogle Home, Alexa, Home AssistantGoogle Home, Alexa, Samsung SmartThingsTie
One-Time PasswordYESYESTie
Periodic PasswordYESYESTie
Emergency FingerprintNONOTie
DoorbellNONOTie

Frequently Asked Questions

Which is better overall: Eufy Smart Lock C33 or ULTRALOQ U-Bolt Pro WiFi?

Eufy Smart Lock C33 has the stronger overall profile in this comparison, especially for warranty, weather resistance, and Anti-peep password.

What is the biggest difference between Eufy Smart Lock C33 and ULTRALOQ U-Bolt Pro WiFi?

Rating is one of the clearest differences: Eufy Smart Lock C33 lists 4.1, while ULTRALOQ U-Bolt Pro WiFi lists 4.2.

Which one looks better on price?

Eufy Smart Lock C33 is listed at $129.99, while ULTRALOQ U-Bolt Pro WiFi is listed at $129.99. Tie.

Who should buy Eufy Smart Lock C33?

Choose Eufy Smart Lock C33 if your priority is warranty and weather resistance and that matters more than rating.

Who should buy ULTRALOQ U-Bolt Pro WiFi?

Choose ULTRALOQ U-Bolt Pro WiFi if your priority is rating and connectivity and that matters more than warranty.

Full comparison table

Compare all 42 Door Locks side by side

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  • 55 specs compared
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