Live nowPrime Day 2026October 6 to 7, 2026Starts in06d16h24m52sSee the deals
Door Locks · Head to head

Aqara Smart Lock U100 vs Aqara Smart Lock U200

Full Smart Door Locks comparison in 2026

Updated September 2026
Data from Amazon and official Aqara site.
2026 verdict
Newer does not mean better in this Aqara pair: the Aqara Smart Lock U100 is the safer buy over the Aqara Smart Lock U200, with a longer battery life, a lower price and far fewer durability complaints from owners.
Aqara Smart Lock U100
Winner
Aqara Smart Lock U100
$139.99$149.997% OFF
Buy on Amazon USACheck price
Both open with a fingerprint, passcode, NFC tag, Apple Home Key and a physical key, and both need a hub or border router for remote control. The Aqara Smart Lock U200 wins on paper for connectivity, since it speaks Matter over Thread and works with Google Home, Alexa, SmartThings and Home Assistant natively, and it adds a tamper alert and an IPX5 rating. But its owners report grinding and failing locks after about a year. Pick the Aqara Smart Lock U100 for an Apple household that values proven reliability, and the Aqara Smart Lock U200 if Matter over Thread matters more.
vs
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.

Smart home deals and news, straight to your inbox

Price drops, new releases and the smart home news worth knowing.

No spam. Unsubscribe in one click.

Your subscription could not be saved. Please try again.
Please enter a valid email address.
Your subscription has been successful.
FeatureAqara Smart Lock U100Aqara Smart Lock U200Winner
Price$139.99$169.99Aqara Smart Lock U100
Rating4.12.7Aqara Smart Lock U100
Battery Life8 months6 monthsAqara Smart Lock U100
Weather ResistanceIP65IPX5Tie
Warranty1 year1 yearTie
ConnectivityBluetooth, ZigbeeBluetooth, Thread ProtocolTie
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterTie
Lock/Unlock SystemRemote, Bluetooth, Passcode, Fingerprint, NFC Tag, Apple Home Key, Physical KeyRemote, Bluetooth, Passcode, Fingerprint, NFC Tag, Apple Home Key, Physical KeyTie
One-Time PasswordYESYESTie
Periodic PasswordYESYESTie
Anti-peep PasswordYESYESTie
Emergency FingerprintNONOTie

What the differences mean

Matter and platforms

The Aqara Smart Lock U200 lists Matter, Google Home, Alexa, Apple Home, SmartThings and Home Assistant directly, needing a Thread border router. The Aqara Smart Lock U100 works with Apple Home and Home Assistant natively but needs an Aqara hub for Google Home, Alexa, SmartThings and Matter.

Battery

The Aqara Smart Lock U100 takes 4 AA cells rated for about 8 months. The Aqara Smart Lock U200 has a built-in rechargeable battery rated about 6 months, with AAA cells or a USB port as backup.

Weather and tamper protection

The Aqara Smart Lock U100 is rated IP65 and the Aqara Smart Lock U200 IPX5, and only the U200 lists a tamper alert. For a covered front door neither gap is likely to decide it.

Radio

The Aqara Smart Lock U100 uses Zigbee through an Aqara hub, while the Aqara Smart Lock U200 uses Thread and Bluetooth. Which hub you already own is the practical question.

Which one to buy if

What owners say

Owners of both Aqara locks love the same thing: many ways in, with a fast fingerprint reader and Apple Home Key that unlocks from an iPhone or Apple Watch, and a physical key as backup. Both groups also say an Aqara hub or Thread network is needed to get the full experience. Aqara Smart Lock U100 owners describe an install that is mostly straightforward and a fingerprint reader that is fast and accurate, while a minority report defective units, random beeping, locking loops and early low-battery warnings. Aqara Smart Lock U200 owners praise its Matter support across ecosystems, but a notable number report calibration that fails repeatedly, a clunky app and a lock that grinds or fails after roughly 12 to 16 months, some tracing it to thickened internal grease.

Upgrading from the Aqara Smart Lock U100?

Moving from the Aqara Smart Lock U100 to the Aqara Smart Lock U200 buys Matter over Thread, native support for Google Home, Alexa and SmartThings without an Aqara hub, a tamper alert and a rechargeable battery. It gives up a battery rated longer, and owners of the newer lock report more calibration and long-term durability trouble. If your Aqara Smart Lock U100 works, there is little reason to switch, unless you are moving your home to a Thread network and want the lock on it.

Price history compared

Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.

  • Aqara Smart Lock U100
  • Aqara Smart Lock U200

Loading price history...

Frequently Asked Questions

Which is better overall: Aqara Smart Lock U100 or Aqara Smart Lock U200?

The Aqara Smart Lock U100, because it is the more affordable, has the longer battery life and owners report fewer reliability problems. The Aqara Smart Lock U200 is the better connected of the two, with Matter over Thread.

What is the difference between the Aqara Smart Lock U100 and the Aqara Smart Lock U200?

Connectivity and battery. The Aqara Smart Lock U200 supports Matter over Thread and lists Google Home, Alexa and SmartThings directly, with a rechargeable battery, while the Aqara Smart Lock U100 uses Zigbee through an Aqara hub and takes 4 AA cells.

Do the Aqara Smart Lock U100 and the Aqara Smart Lock U200 support Apple Home Key?

Yes. Both list Apple Home Key, fingerprint, NFC, passcode and a physical key, so daily unlocking is much the same on either.

Does the Aqara Smart Lock U100 or the Aqara Smart Lock U200 need a hub?

Both do for the full experience. The Aqara Smart Lock U100 needs an Aqara hub for remote access, and the Aqara Smart Lock U200 needs a Thread border router, working over Bluetooth only without one.

Who should buy the Aqara Smart Lock U100?

Apple households with an Aqara hub that want fingerprint and Home Key entry with a long battery life, and value a track record with fewer durability complaints.

Who should buy the Aqara Smart Lock U200?

Buyers building around Matter over Thread who want a lock that works with Apple, Google, Alexa and SmartThings, and who accept the calibration and long-term durability reports from owners.

Full comparison table

Compare all 44 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.

  • 44 Door Locks
  • 55 specs compared
  • 51 filters
Open the full comparison
More Door Locks

Top Door Locks to compare next

44 smart door locks from 13 brands compared: Aqara, Eufy, Nuki, Schlage and more. Unlock methods, battery life, retrofit fit and app support.

All Door Locks
Aqara

More Aqara products

A sharper look at other Aqara products worth comparing.

Explore Aqara
Independent · Not sponsoredBrands never pay for placement or rankings. Affiliate commissions never influence our comparisons.
© 2026 Smart Home Compared
Search