Winner
Updated November 2026
Data from the official Eufy and Kwikset sites.
2026 verdict
In 2026, the recommendation leans toward Eufy Smart Lock E31 over Kwikset Aura Reach Smart Lock, driven by price, rating, and warranty.
Its clearest strengths are price, rating, and warranty, and it still looks stronger on battery life and connectivity. The only strong reason to choose Kwikset Aura Reach Smart Lock is if its specific feature mix is more important to you than the overall verdict. For most setups, Eufy Smart Lock E31 is the smarter buy.
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The biggest differences
Where these two are furthest apart, and by how much.
- Warranty+50%Eufy Smart Lock E311.5 years vs 1 year
- Battery Life+17%Eufy Smart Lock E3114 months vs 12 months
| Feature | Eufy Smart Lock E31 | Kwikset Aura Reach Smart Lock | Winner |
|---|---|---|---|
| Price | $149.99 | $153.00 | Eufy Smart Lock E31 |
| Rating | 3.9 | 3.3 | Eufy Smart Lock E31 |
| Warranty | 1.5 years | 1 year | Eufy Smart Lock E31 |
| Battery Life | 14 months | 12 months | Eufy Smart Lock E31 |
| Connectivity | 2.4 GHz WiFi, Bluetooth, Thread Protocol | Bluetooth, Thread Protocol | Eufy Smart Lock E31 |
| Anti-peep Password | YES | NO | Eufy Smart Lock E31 |
| Weather Resistance | IP53 | YES | Tie |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Tie |
| Lock/Unlock System | Remote, Passcode, Fingerprint, Physical Key | Remote, Bluetooth, Passcode, Physical Key | Tie |
| One-Time Password | YES | YES | Tie |
| Periodic Password | YES | YES | Tie |
| Emergency Fingerprint | NO | NO | Tie |
Winner
$149.99
- + Price: $149.99
- + Rating: 3.9
- + Warranty: 1.5 years
$153.00
- - Price: $153.00 vs $149.99
- - Rating: 3.3 vs 3.9
Frequently Asked Questions
Which is better overall: Eufy Smart Lock E31 or Kwikset Aura Reach Smart Lock?
Eufy Smart Lock E31 has the stronger overall profile in this comparison, especially for price, rating, and warranty.
What is the biggest difference between Eufy Smart Lock E31 and Kwikset Aura Reach Smart Lock?
Price is one of the clearest differences: Eufy Smart Lock E31 lists $149.99, while Kwikset Aura Reach Smart Lock lists $153.00.
Which one looks better on price?
Eufy Smart Lock E31 is listed at $149.99, while Kwikset Aura Reach Smart Lock is listed at $153.00. Eufy Smart Lock E31 (better spec).
Who should buy Eufy Smart Lock E31?
Choose Eufy Smart Lock E31 if your priority is price and rating and that matters more than the competing advantages.
Who should buy Kwikset Aura Reach Smart Lock?
Choose Kwikset Aura Reach Smart Lock if your priority is its specific strengths and that matters more than price.
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