Winner
Updated November 2026
Data from the official Aqara and Level sites.
2026 verdict
Aqara Smart Lock U400 has the better all-around case than Level Lock (Matter) in 2026, starting with rating, connectivity, and Lock/Unlock system.
It has the clearer edge on rating, connectivity, and Lock/Unlock system, and it stays ahead on periodic password. Level Lock (Matter) still makes sense if price and battery life are your priority, but most buyers should still lean toward Aqara Smart Lock U400. In practical terms, Aqara Smart Lock U400 is the easier product to recommend.
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| Feature | Aqara Smart Lock U400 | Level Lock (Matter) | Winner |
|---|---|---|---|
| Price | $269.99 | $249.00 | Level Lock (Matter) |
| Rating | 4.1 | 3.5 | Aqara Smart Lock U400 |
| Battery Life | 6 months | 1 year | Level Lock (Matter) |
| Connectivity | Bluetooth, Thread Protocol, Other | Bluetooth, Thread Protocol | Aqara Smart Lock U400 |
| Lock/Unlock System | Remote, Bluetooth, Passcode, Fingerprint, NFC Tag, Apple Home Key, Physical Key | Remote, Bluetooth, Passcode, Apple Home Key, Physical Key | Aqara Smart Lock U400 |
| Periodic Password | YES | Keypad required | Aqara Smart Lock U400 |
| Weather Resistance | IP65 | YES | Tie |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Tie |
| Emergency Fingerprint | NO | NO | Tie |
| Doorbell | NO | NO | Tie |
| Local Control | YES | YES | Tie |
Winner
$269.99
- + Rating: 4.1
- + Connectivity: Bluetooth, Thread Protocol, Other
- + Lock/Unlock System: Remote, Bluetooth, Passcode, Fingerprint, NFC Tag, Apple Home Key, Physical Key
- - Price: $269.99 vs $249.00
- - Battery Life: 6 months vs 1 year
$249.00
- + Price: $249.00
- + Battery Life: 1 year
- - Rating: 3.5 vs 4.1
- - Connectivity: Bluetooth, Thread Protocol vs Bluetooth, Thread Protocol, Other
Frequently Asked Questions
Which is better overall: Aqara Smart Lock U400 or Level Lock (Matter)?
Aqara Smart Lock U400 has the stronger overall profile in this comparison, especially for rating, connectivity, and Lock/Unlock system.
What is the biggest difference between Aqara Smart Lock U400 and Level Lock (Matter)?
Price is one of the clearest differences: Aqara Smart Lock U400 lists $269.99, while Level Lock (Matter) lists $249.00.
Which one looks better on price?
Aqara Smart Lock U400 is listed at $269.99, while Level Lock (Matter) is listed at $249.00. Level Lock (Matter) (better spec).
Who should buy Aqara Smart Lock U400?
Choose Aqara Smart Lock U400 if your priority is rating and connectivity and that matters more than price.
Who should buy Level Lock (Matter)?
Choose Level Lock (Matter) if your priority is price and battery life and that matters more than rating.
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