Aqara Smart Lock U100 vs Eufy Smart Lock C220 (2026)

Updated September 2026

Data from Amazon and official Aqara and Eufy sites.

2026 verdict

Aqara Smart Lock U100 has the better all-around case than Eufy Smart Lock C220 in 2026, starting with weather resistance, connectivity, and integrations.

Winner

Aqara Smart Lock U100

$149.99

Buy on Amazon USACheck price

Its biggest wins come from weather resistance, connectivity, and integrations, and Lock/Unlock system and One-Time password add more confidence to the verdict. Pick Eufy Smart Lock C220 only when price and rating are the deciding factor for your setup. That keeps the verdict firmly in favor of Aqara Smart Lock U100.

Winner

Aqara

Aqara Smart Lock U100

$149.99

Buy on Amazon USACheck price

Eufy

Eufy Smart Lock C220

35% OFF

$109.99

$169.99

Buy on Amazon USACheck price

Price alerts

Door Lock prices change while you decide

We check the price of every Door Lock in the catalog daily and email you the drops, whichever one you pick.

Your subscription could not be saved. Please try again.

Your subscription has been successful.

Feature	Aqara Smart Lock U100	Eufy Smart Lock C220	Winner
Price	$149.99	$109.99	Eufy Smart Lock C220
Rating	4.1	4.3	Eufy Smart Lock C220
Weather Resistance	IP65	IP53	Aqara Smart Lock U100
Connectivity	Bluetooth, Zigbee	2.4 GHz WiFi	Aqara Smart Lock U100
Integrations	Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter	Google Home, Alexa, Home Assistant	Aqara Smart Lock U100
Lock/Unlock System	Remote, Bluetooth, Passcode, Fingerprint, NFC Tag, Apple Home Key, Physical Key	Remote, Passcode, Fingerprint, Apple Home Key, Physical Key	Aqara Smart Lock U100
One-Time Password	YES	NO	Aqara Smart Lock U100
Periodic Password	YES	NO	Aqara Smart Lock U100
Warranty	1 year	1 year	Tie
Battery Life	8 months	8 months	Tie
Anti-peep Password	YES	YES	Tie
Emergency Fingerprint	NO	NO	Tie

Winner

Aqara

Aqara Smart Lock U100

$149.99

Buy on Amazon USACheck price

+ Weather Resistance: IP65
+ Connectivity: Bluetooth, Zigbee
+ Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- Price: $149.99 vs $109.99
- Rating: 4.1 vs 4.3

Eufy

Eufy Smart Lock C220

35% OFF

$109.99

$169.99

Buy on Amazon USACheck price

+ Price: $109.99
+ Rating: 4.3
- Weather Resistance: IP53 vs IP65
- Connectivity: 2.4 GHz WiFi vs Bluetooth, Zigbee

Frequently Asked Questions

Which is better overall: Aqara Smart Lock U100 or Eufy Smart Lock C220?

Aqara Smart Lock U100 has the stronger overall profile in this comparison, especially for weather resistance, connectivity, and integrations.

What is the biggest difference between Aqara Smart Lock U100 and Eufy Smart Lock C220?

Price is one of the clearest differences: Aqara Smart Lock U100 lists $149.99, while Eufy Smart Lock C220 lists $109.99.

Which one looks better on price?

Aqara Smart Lock U100 is listed at $149.99, while Eufy Smart Lock C220 is listed at $109.99. Eufy Smart Lock C220 (better spec).

Who should buy Aqara Smart Lock U100?

Choose Aqara Smart Lock U100 if your priority is weather resistance and connectivity and that matters more than price.

Who should buy Eufy Smart Lock C220?

Choose Eufy Smart Lock C220 if your priority is price and rating and that matters more than weather resistance.

Full comparison table

Compare all 42 Door Locks side by side

You are looking at two of them. The full table lines up all Door Locks in the catalog with the same specs, so you can filter by what you need and sort by price or rating.