Ultraloq U-Bolt 5-in-1 Black
Score: 88/100
Kwikset Home Connect 620
Score: 88/100Rankings
The ULTRALOQ U-Bolt is a versatile smart deadbolt offering keyless entry via fingerprint, PIN, app, NFC, and voice assistants, featuring Matter-over-Thread compatibility for seamless integration with major smart home ecosystems. It provides auto-unlock geofencing and durable IP65 weatherproofing, making it suitable for DIY installation on standard US doors. However, remote access features often require purchasing an additional WiFi or Z-Wave bridge.
The Kwikset HomeConnect 620 is a premium Z-Wave smart lock offering extended range connectivity and robust integration with major smart home ecosystems. Its long-range capabilities and battery efficiency make it ideal for larger homes or those with weak Wi-Fi signals. However, the requirement for a hub and potential bolt jamming issues are notable trade-offs.
| Attribute | | |
|---|---|---|
12 months | 18 monthsbest | |
40 mm | 50.8 mmbest | |
60 mm | 69.8 mmbest | |
-20 °C | 65 °Cbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Connectivity & Smart Home(2) | ||
Smart Home Compatibility | Alexa, Google, SmartThings, Matter | Ring, SmartThings, Hubitat, Alexa, Google |
Voice Assistant Support | Alexa, Google, SmartThings | Alexa, Google Assistant |
Access & Security(3) | ||
Encryption Standard | 128-bit AES | S2/128-bit AES |
Unlock Methods | Fingerprint, PIN, App, NFC, Voice, Key | Hub, Keypad, Key |
Fingerprint Recognition Speed (seconds) | seconds | null seconds |
Durability & Environment(2) | ||
IP Rating | IP65 | null |
Operating Temperature (°C) | -20 to 65 °C | -40 to 65 °C |
Power & Battery(2) | ||
Battery Life (months) | 12 months | 18 months |
Power Source | AA Batteries | 4 AA Batteries |
Physical & Installation(3) | ||
Door Thickness Compatibility (mm) | 40 mm | 34.9-50.8 mm |
Backset (mm) | 60 or 70 mm | 60.3-69.8 mm |
Installation Type | Deadbolt Replacement | Standard Deadbolt Replacement |
Support & Service(1) | ||
Warranty | Lifetime Mechanical | null |
Products in the top-left offer the best value (high score, low price).
TechHive praised the U-Bolt Pro WiFi variant for its improved auto-unlock geofencing, configurable auto-lock, and anti-peep keypad, calling it reliable for everyday use. Matter Alpha highlighted the Bolt Fingerprint as a solid pick for its Matter-over-Thread efficiency.
Users appreciate the hands-free unlock capability for carrying groceries and the multi-admin Matter control features. Potential issues include the dependency on a bridge for remote access and battery replacement frequency in high-use scenarios.
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.
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.
