
eufy Smart Lock E31
Score: 88/100
Kwikset Home Connect 620
Score: 88/100Rankings

The eufy Security Smart Lock E31 is a Matter-compatible electronic deadbolt featuring fingerprint recognition, a touchscreen keypad, and app control for keyless entry. It offers six unlocking methods, remote monitoring via Wi-Fi/Thread, and BHMA-certified durability with a 14-month battery life. It is ideal for families needing multiple user credentials and smart home enthusiasts using Apple/Google/Alexa.

The Kwikset HomeConnect 620 is a Z-Wave 700 Long Range smart deadbolt featuring a 10-digit illuminated keypad, motorized operation, and SmartKey re-keying technology. It supports up to 250 user codes and integrates with major smart home ecosystems like Ring, SmartThings, and Alexa, offering extended range connectivity without Wi-Fi dependency. Ideal for households with multiple users needing up to 250 codes or those requiring key re-keying to match existing doors.
| Attribute | ![]() | ![]() |
|---|---|---|
10,080 hoursbest | — | |
— | 50.8 mmbest | |
— | 69.85 mmbest | |
50 users | 250 usersbest | |
— | 65.56 °Cbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Access & Security(4) | ||
Unlock Methods | Fingerprint, App, Keypad, Voice, Physical Key, Matter | Keypad, Physical Key, App |
Security Grade | BHMA Certified | Grade 2 |
Fingerprint Capacity (users) | 50 users | 250 users |
Encryption Standard | AES128 + ECC | S2, 128-bit AES |
Durability & Environment(2) | ||
Exterior Material | Black | Satin Nickel |
Operating Temperature (°C) | -30 to 70 °C | -40 to 65.56 °C |
Power & Battery(1) | ||
Battery Life (hours) | 10080 hours | null hours |
Features & Convenience(1) | ||
Keypad Type | Touchscreen | 10-digit Illuminated |
Connectivity & Smart Home(2) | ||
Smart Home Ecosystem | Apple Home, Google Home, Alexa, SmartThings | Z-Wave |
Voice Assistant Support | Siri, Alexa, Google Assistant | Alexa, Google Assistant |

Products in the top-left offer the best value (high score, low price).

Professional reviewers and editors highlight the lock's reliability through BHMA certification and its seamless integration with major smart home ecosystems via Matter and Wi-Fi.
There is no available consumer sentiment data, as no user reviews, testimonials, or forum discussions were found in the research data.




Professional reviewers praise the Kwikset HomeConnect 620 for its Z-Wave 700 Long Range technology, which offers extended connectivity up to 1 mile, and its S2 encryption for security. Experts highlight the SmartStart feature for easy setup, the capacity for 250 users, and the lock's battery efficiency compared to Wi-Fi alternatives. The lock is considered a premium upgrade for Z-Wave ecosystems like Ring and SmartThings, with additional appreciation for its SmartKey compatibility and weatherproof buttons.
Everyday users commonly praise the lock for its reliable keypad and key access, long battery life, and the convenience of SmartKey re-keying. Many appreciate the strong integration with Ring and SmartThings, as well as features like audit trails and scheduled access codes. Recurring complaints involve bolt jamming on shallow strike plates, frequent battery changes due to door misalignment, and the need for manual re-handing after installation.