Aqara Smart Lock U100 vs Philips 4200 Series Smart Deadbolt with Door Lever

Updated September 2026

Data from Amazon and official Aqara and Philips sites.

2026 verdict

Aqara Smart Lock U100 wins the 2026 matchup against Philips 4200 Series Smart Deadbolt with Door Lever, mainly on battery life, integrations, and Lock/Unlock system.

Winner

Aqara Smart Lock U100

$149.99

Buy on Amazon USACheck price

What pushes it ahead is battery life, integrations, and Lock/Unlock system, and its broader overall balance keeps the advantage from looking narrow. Philips 4200 Series Smart Deadbolt with Door Lever can still be the right pick, but only if price, rating, and warranty outweigh the wider strengths of Aqara Smart Lock U100. That is enough to make Aqara Smart Lock U100 the better pick for most buyers.

Winner

Aqara

Aqara Smart Lock U100

$149.99

Buy on Amazon USACheck price

Philips

Philips 4200 Series Smart Deadbolt with Door Lever

35% OFF

$109.98

$169.99

Buy on Amazon USACheck price

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Feature	Aqara Smart Lock U100	Philips 4200 Series Smart Deadbolt with Door Lever	Winner
Price	$149.99	$109.98	Philips 4200 Series Smart Deadbolt with Door Lever
Rating	4.1	4.4	Philips 4200 Series Smart Deadbolt with Door Lever
Warranty	1 year	2 years	Philips 4200 Series Smart Deadbolt with Door Lever
Battery Life	8 months	6 months	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, Bluetooth, Passcode, Fingerprint, Physical Key	Aqara Smart Lock U100
Weather Resistance	IP65	YES	Tie
Connectivity	Bluetooth, Zigbee	2.4 GHz WiFi, Bluetooth	Tie
One-Time Password	YES	YES	Tie
Periodic Password	YES	YES	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

+ Battery Life: 8 months
+ Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
+ Lock/Unlock System: Remote, Bluetooth, Passcode, Fingerprint, NFC Tag, Apple Home Key, Physical Key
- Price: $149.99 vs $109.98
- Rating: 4.1 vs 4.4

Philips

Philips 4200 Series Smart Deadbolt with Door Lever

35% OFF

$109.98

$169.99

Buy on Amazon USACheck price

+ Price: $109.98
+ Rating: 4.4
+ Warranty: 2 years
- Battery Life: 6 months vs 8 months
- Integrations: Google Home, Alexa, Home Assistant vs Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter

Frequently Asked Questions

Which is better overall: Aqara Smart Lock U100 or Philips 4200 Series Smart Deadbolt with Door Lever?

Aqara Smart Lock U100 has the stronger overall profile in this comparison, especially for battery life, integrations, and Lock/Unlock system.

What is the biggest difference between Aqara Smart Lock U100 and Philips 4200 Series Smart Deadbolt with Door Lever?

Price is one of the clearest differences: Aqara Smart Lock U100 lists $149.99, while Philips 4200 Series Smart Deadbolt with Door Lever lists $109.98.

Which one looks better on price?

Aqara Smart Lock U100 is listed at $149.99, while Philips 4200 Series Smart Deadbolt with Door Lever is listed at $109.98. Philips 4200 Series Smart Deadbolt with Door Lever (better spec).

Who should buy Aqara Smart Lock U100?

Choose Aqara Smart Lock U100 if your priority is battery life and integrations and that matters more than price.

Who should buy Philips 4200 Series Smart Deadbolt with Door Lever?

Choose Philips 4200 Series Smart Deadbolt with Door Lever if your priority is price and rating and that matters more than battery life.

Full comparison table

Compare all 42 Door Locks side by side

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