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Door Locks · Head to head

Aqara Smart Lock U300 vs Eufy FamiLock E32

Full Smart Door Locks comparison in 2026

Updated September 2026
Data from Amazon and official Aqara and Eufy sites.
2026 verdict
Aqara Smart Lock U300 beats Eufy FamiLock E32 in 2026, with its clearest edge on weather resistance, battery life, and Lock/Unlock system.
Aqara Smart Lock U300
Winner
Aqara Smart Lock U300
$189.99
Buy on Amazon USACheck price
What pushes it ahead is weather resistance, battery life, and Lock/Unlock system, and its broader overall balance keeps the advantage from looking narrow. Eufy FamiLock E32 remains a niche alternative if price and rating matter more than the rest of the comparison. That makes Aqara Smart Lock U300 the clearer recommendation in 2026.
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FeatureAqara Smart Lock U300Eufy FamiLock E32Winner
Price$189.99$139.99Eufy FamiLock E32
Rating3.64.9Eufy FamiLock E32
Weather ResistanceIPX4IP53Aqara Smart Lock U300
Battery Life10 months8 monthsAqara Smart Lock U300
Lock/Unlock SystemRemote, Bluetooth, Passcode, Fingerprint, NFC Tag, Apple Home Key, Physical KeyRemote, Passcode, Fingerprint, Physical KeyAqara Smart Lock U300
ConnectivityBluetooth, Thread Protocol, Other2.4 GHz WiFi, Bluetooth, Thread ProtocolTie
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterTie
One-Time PasswordYESYESTie
Periodic PasswordYESYESTie
Anti-peep PasswordYESYESTie
Emergency FingerprintNONOTie
DoorbellNONOTie
Winner
Aqara

Aqara Smart Lock U300

$189.99
Buy on Amazon USACheck price
  • + Weather Resistance: IPX4
  • + Battery Life: 10 months
  • + Lock/Unlock System: Remote, Bluetooth, Passcode, Fingerprint, NFC Tag, Apple Home Key, Physical Key
  • - Price: $189.99 vs $139.99
  • - Rating: 3.6 vs 4.9

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 U300
  • Eufy FamiLock E32

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Frequently Asked Questions

Which is better overall: Aqara Smart Lock U300 or Eufy FamiLock E32?

Aqara Smart Lock U300 has the stronger overall profile in this comparison, especially for weather resistance, battery life, and Lock/Unlock system.

What is the biggest difference between Aqara Smart Lock U300 and Eufy FamiLock E32?

Price is one of the clearest differences: Aqara Smart Lock U300 lists $189.99, while Eufy FamiLock E32 lists $139.99.

Which one looks better on price?

Aqara Smart Lock U300 is listed at $189.99, while Eufy FamiLock E32 is listed at $139.99. Eufy FamiLock E32 (better spec).

Who should buy Aqara Smart Lock U300?

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

Who should buy Eufy FamiLock E32?

Choose Eufy FamiLock E32 if your priority is price and rating and that matters more than weather resistance.

Full comparison table

Compare all 47 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.

  • 47 Door Locks
  • 55 specs compared
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