Winner
Updated November 2026
Data from the official Eufy and ULTRALOQ sites.
2026 verdict
Eufy Smart Lock E31 has the better all-around case than ULTRALOQ U-Bolt Pro WiFi in 2026, starting with warranty, connectivity, and integrations.
It separates itself most clearly on warranty, connectivity, and integrations, while still looking better on local control. ULTRALOQ U-Bolt Pro WiFi remains a niche alternative if price, rating, and Lock/Unlock system matter more than the rest of the comparison. For most setups, Eufy Smart Lock E31 is the smarter buy.
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| Feature | Eufy Smart Lock E31 | ULTRALOQ U-Bolt Pro WiFi | Winner |
|---|---|---|---|
| Price | $149.99 | $129.97 | ULTRALOQ U-Bolt Pro WiFi |
| Rating | 3.9 | 4.2 | ULTRALOQ U-Bolt Pro WiFi |
| Warranty | 1.5 years | 18 months | Eufy Smart Lock E31 |
| Connectivity | 2.4 GHz WiFi, Bluetooth, Thread Protocol | 2.4 GHz WiFi, Bluetooth | Eufy Smart Lock E31 |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Google Home, Alexa, Samsung SmartThings | Eufy Smart Lock E31 |
| Lock/Unlock System | Remote, Passcode, Fingerprint, Physical Key | Remote, Bluetooth, Passcode, Fingerprint, Physical Key | ULTRALOQ U-Bolt Pro WiFi |
| Local Control | YES | NO | Eufy Smart Lock E31 |
| One-Time Password | YES | YES | Tie |
| Periodic Password | YES | YES | Tie |
| Emergency Fingerprint | NO | NO | Tie |
| Doorbell | NO | NO | Tie |
Winner
$149.99
- + Warranty: 1.5 years
- + Connectivity: 2.4 GHz WiFi, Bluetooth, Thread Protocol
- + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- - Price: $149.99 vs $129.97
- - Rating: 3.9 vs 4.2
24% OFF
$129.97
$169.99
- + Price: $129.97
- + Rating: 4.2
- + Lock/Unlock System: Remote, Bluetooth, Passcode, Fingerprint, Physical Key
- - Warranty: 18 months vs 1.5 years
- - Connectivity: 2.4 GHz WiFi, Bluetooth vs 2.4 GHz WiFi, Bluetooth, Thread Protocol
Frequently Asked Questions
Which is better overall: Eufy Smart Lock E31 or ULTRALOQ U-Bolt Pro WiFi?
Eufy Smart Lock E31 has the stronger overall profile in this comparison, especially for warranty, connectivity, and integrations.
What is the biggest difference between Eufy Smart Lock E31 and ULTRALOQ U-Bolt Pro WiFi?
Price is one of the clearest differences: Eufy Smart Lock E31 lists $149.99, while ULTRALOQ U-Bolt Pro WiFi lists $129.97.
Which one looks better on price?
Eufy Smart Lock E31 is listed at $149.99, while ULTRALOQ U-Bolt Pro WiFi is listed at $129.97. ULTRALOQ U-Bolt Pro WiFi (better spec).
Who should buy Eufy Smart Lock E31?
Choose Eufy Smart Lock E31 if your priority is warranty and connectivity and that matters more than price.
Who should buy ULTRALOQ U-Bolt Pro WiFi?
Choose ULTRALOQ U-Bolt Pro WiFi if your priority is price and rating and that matters more than warranty.
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