Winner
Updated November 2026
Data from the official Aqara and Nuki sites.
2026 verdict
Aqara Smart Lock U50 has the better all-around case than Nuki Smart Lock Ultra in 2026, starting with Lock/Unlock system, One-Time password, and periodic password.
It builds its lead on Lock/Unlock system, One-Time password, and periodic password, then backs it up with a stronger showing on Anti-peep password. Nuki Smart Lock Ultra still makes sense if rating and connectivity are your priority, but most buyers should still lean toward Aqara Smart Lock U50. For most setups, Aqara Smart Lock U50 is the smarter buy.
Connectivity
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| Feature | Aqara Smart Lock U50 | Nuki Smart Lock Ultra | Winner |
|---|---|---|---|
| Rating | 4.0 | 4.5 | Nuki Smart Lock Ultra |
| Connectivity | Bluetooth, Other | 2.4 GHz WiFi, Bluetooth, Thread Protocol | Nuki Smart Lock Ultra |
| Lock/Unlock System | Remote, Bluetooth, Passcode, NFC Tag, Apple Home Key, Physical Key | Remote, Bluetooth, Passcode, Fingerprint, Physical Key | Aqara Smart Lock U50 |
| One-Time Password | YES | Keypad required | Aqara Smart Lock U50 |
| Periodic Password | YES | Keypad required | Aqara Smart Lock U50 |
| Anti-peep Password | YES | NO | Aqara Smart Lock U50 |
| 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
$119.99
- + Lock/Unlock System: Remote, Bluetooth, Passcode, NFC Tag, Apple Home Key, Physical Key
- + One-Time Password: YES
- + Periodic Password: YES
- - Rating: 4.0 vs 4.5
- - Connectivity: Bluetooth, Other vs 2.4 GHz WiFi, Bluetooth, Thread Protocol
- + Rating: 4.5
- + Connectivity: 2.4 GHz WiFi, Bluetooth, Thread Protocol
- - Lock/Unlock System: Remote, Bluetooth, Passcode, Fingerprint, Physical Key vs Remote, Bluetooth, Passcode, NFC Tag, Apple Home Key, Physical Key
- - One-Time Password: Keypad required vs YES
Frequently Asked Questions
Which is better overall: Aqara Smart Lock U50 or Nuki Smart Lock Ultra?
Aqara Smart Lock U50 has the stronger overall profile in this comparison, especially for Lock/Unlock system, One-Time password, and periodic password.
What is the biggest difference between Aqara Smart Lock U50 and Nuki Smart Lock Ultra?
Rating is one of the clearest differences: Aqara Smart Lock U50 lists 4.0, while Nuki Smart Lock Ultra lists 4.5.
Who should buy Aqara Smart Lock U50?
Choose Aqara Smart Lock U50 if your priority is Lock/Unlock system and One-Time password and that matters more than rating.
Who should buy Nuki Smart Lock Ultra?
Choose Nuki Smart Lock Ultra if your priority is rating and connectivity and that matters more than Lock/Unlock system.
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