Updated October 2026
Data from Amazon and official Eufy and Nuki sites.
2026 verdict
Nuki Smart Lock Go has the better all-around case than Eufy Security Smart Lock C30 in 2026, starting with warranty, connectivity, and integrations.
Its biggest wins come from warranty, connectivity, and integrations, and Lock/Unlock system adds more confidence to the verdict. Eufy Security Smart Lock C30 still makes sense if rating, One-Time password, and periodic password are your priority, but most buyers should still lean toward Nuki Smart Lock Go. As a general recommendation, Nuki Smart Lock Go comes out on top.
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| Feature | Eufy Security Smart Lock C30 | Nuki Smart Lock Go | Winner |
|---|---|---|---|
| Rating | 4.2 | 3.8 | Eufy Security Smart Lock C30 |
| Warranty | 1.5 years | 2 years | Nuki Smart Lock Go |
| Connectivity | 2.4 GHz WiFi | 2.4 GHz WiFi, Bluetooth, Thread Protocol | Nuki Smart Lock Go |
| Integrations | Google Home, Alexa, Home Assistant | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Nuki Smart Lock Go |
| Lock/Unlock System | Remote, Passcode, Physical Key | Remote, Bluetooth, Passcode, Fingerprint, Physical Key | Nuki Smart Lock Go |
| One-Time Password | YES | Keypad required | Eufy Security Smart Lock C30 |
| Periodic Password | YES | Keypad required | Eufy Security Smart Lock C30 |
| Anti-peep Password | YES | NO | Eufy Security Smart Lock C30 |
| Emergency Fingerprint | NO | NO | Tie |
| Doorbell | NO | NO | Tie |
$79.99
- + Rating: 4.2
- + One-Time Password: YES
- + Periodic Password: YES
- - Warranty: 1.5 years vs 2 years
- - Connectivity: 2.4 GHz WiFi vs 2.4 GHz WiFi, Bluetooth, Thread Protocol
Winner
Currently unavailable on Amazon USA
- + Warranty: 2 years
- + Connectivity: 2.4 GHz WiFi, Bluetooth, Thread Protocol
- + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- - Rating: 3.8 vs 4.2
- - One-Time Password: Keypad required vs YES
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.
- Eufy Security Smart Lock C30
- Nuki Smart Lock Go
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Frequently Asked Questions
Which is better overall: Eufy Security Smart Lock C30 or Nuki Smart Lock Go?
Nuki Smart Lock Go has the stronger overall profile in this comparison, especially for warranty, connectivity, and integrations.
What is the biggest difference between Eufy Security Smart Lock C30 and Nuki Smart Lock Go?
Rating is one of the clearest differences: Eufy Security Smart Lock C30 lists 4.2, while Nuki Smart Lock Go lists 3.8.
Who should buy Eufy Security Smart Lock C30?
Choose Eufy Security Smart Lock C30 if your priority is rating and One-Time password and that matters more than warranty.
Who should buy Nuki Smart Lock Go?
Choose Nuki Smart Lock Go if your priority is warranty and connectivity and that matters more than rating.
Full comparison table
Compare all 52 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.
- 52 Door Locks
- 55 specs compared
- 51 filters
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CamerasEufy4G Camera S230
CamerasEufy4G LTE Cam S330
CamerasEufyCam S3 Pro
CamerasEufyCam S330
CamerasEufyCam S4
CamerasEufyIndoor Cam C120
CamerasEufyIndoor Cam E220
CamerasEufyIndoor Cam E30
CamerasEufyOutdoor Cam E210
CamerasEufyOutdoor Cam E220
CamerasEufyPoE Bullet-PTZ Cam E50
CamerasEufySoloCam E30
CamerasEufySoloCam E42
CamerasEufySoloCam S220
CamerasEufySoloCam S230
CamerasEufySoloCam S340
CamerasEufyTrackLight Cam S1
CamerasEufyWall Light Cam S4
CamerasEufyWired Cam C31
DoorbellsEufyVideo Doorbell C31 (with Battery Pack)
