Updated October 2026
Data from the official Eufy and ULTRALOQ sites.
2026 verdict
ULTRALOQ Bolt SE is the more complete option versus Eufy Smart Lock C34 in 2026, helped most by rating, battery life, and connectivity.
What pushes it ahead is rating, battery life, and connectivity, and Lock/Unlock system keeps the advantage from looking narrow. Eufy Smart Lock C34 can still be the right pick, but only if price and warranty outweigh the wider strengths of ULTRALOQ Bolt SE. That keeps the verdict firmly in favor of ULTRALOQ Bolt SE.
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| Feature | Eufy Smart Lock C34 | ULTRALOQ Bolt SE | Winner |
|---|---|---|---|
| Price | $79.99 | $84.99 | Eufy Smart Lock C34 |
| Rating | 4.1 | 4.3 | ULTRALOQ Bolt SE |
| Warranty | 1.5 years | 18 months | Eufy Smart Lock C34 |
| Battery Life | 8 months | 18 months | ULTRALOQ Bolt SE |
| Connectivity | 2.4 GHz WiFi, Thread Protocol | 2.4 GHz WiFi, Bluetooth, Thread Protocol | ULTRALOQ Bolt SE |
| Lock/Unlock System | Remote, Passcode, Physical Key | Remote, Bluetooth, Passcode, Fingerprint, Physical Key | ULTRALOQ Bolt SE |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Tie |
| One-Time Password | YES | YES | Tie |
| Periodic Password | YES | YES | Tie |
| Emergency Fingerprint | NO | NO | Tie |
| Doorbell | NO | NO | Tie |
$79.99
- + Price: $79.99
- + Warranty: 1.5 years
- - Rating: 4.1 vs 4.3
- - Battery Life: 8 months vs 18 months
Winner
15% OFF
$84.99
$99.99
- + Rating: 4.3
- + Battery Life: 18 months
- + Connectivity: 2.4 GHz WiFi, Bluetooth, Thread Protocol
- - Price: $84.99 vs $79.99
- - Warranty: 18 months vs 1.5 years
Frequently Asked Questions
Which is better overall: Eufy Smart Lock C34 or ULTRALOQ Bolt SE?
ULTRALOQ Bolt SE has the stronger overall profile in this comparison, especially for rating, battery life, and connectivity.
What is the biggest difference between Eufy Smart Lock C34 and ULTRALOQ Bolt SE?
Price is one of the clearest differences: Eufy Smart Lock C34 lists $79.99, while ULTRALOQ Bolt SE lists $84.99.
Which one looks better on price?
Eufy Smart Lock C34 is listed at $79.99, while ULTRALOQ Bolt SE is listed at $84.99. Eufy Smart Lock C34 (better spec).
Who should buy Eufy Smart Lock C34?
Choose Eufy Smart Lock C34 if your priority is price and warranty and that matters more than rating.
Who should buy ULTRALOQ Bolt SE?
Choose ULTRALOQ Bolt SE if your priority is rating and battery life and that matters more than price.
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