Ultraloq U-Bolt 5-in-1 Black
Score: 82/100
Sifely Smart Lock
Score: 78/100Rankings
The ULTRALOQ U-Bolt is a versatile smart deadbolt offering keyless entry via fingerprint, PIN, app, NFC, and voice assistants with Matter-over-Thread compatibility. Its primary trade-off is the potential need for an additional bridge for remote access features. It is best suited for smart home enthusiasts in multi-platform setups seeking keyless convenience without hub clutter.
The Sifely Keyless Entry Fingerprint Smart Door Lock is a lever-style smart lock designed to retrofit standard residential doors without drilling. It offers five to six unlock methods including fingerprint, keypad, key cards, fobs, and physical keys, with optional remote access via a separate Wi-Fi gateway. It is best suited for indoor or sheltered exterior doors and multi-user households.
| Attribute | | |
|---|---|---|
12 monthsbest | 12 monthsbest | |
1.5 yearsbest | 1 years | |
1.75 inches | 2 inchesbest | |
2.375 inches | 2.75 inchesbest | |
30 feetbest | — | |
-4 °F | 158 °Fbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Support & Warranty(1) | ||
Warranty Length (years) | 1.5 years | 1 years |
Security & Access(4) | ||
Security Grade | Grade 1 | |
Unlock Methods | Fingerprint, PIN, App, NFC, Voice | Fingerprint, Keypad, Key Fob, Card, App, Key |
Keypad Type | Backlit, Anti-peep | Keypad |
Encryption Standard | 128-bit AES | White-box |
Installation & Compatibility(2) | ||
Door Thickness Compatibility (inches) | 1.75 inches | 1.3125-2 inches |
Backset (inches) | 2.375 inches | 2.375-2.75 inches |
Connectivity & Smart Features(3) | ||
Smart Home Integration | Matter, Thread, Alexa, Google, SmartThings, IFTTT | Alexa, Google Assistant |
Bluetooth Range (feet) | 30 feet | feet |
Wi-Fi Standard | 802.11b/g/n | Optional |
Build & Durability(3) | ||
IP Rating | IP65 | |
Operating Temperature (°F) | -4 °F | 14-158 °F |
Finish | Satin Nickel | Matte Black |
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.
Search results provide no direct consumer reviews or recurring complaints/praise. Inferred from product documentation, 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.
“much better than expected for the price”
“love the fingerprint unlock indoors; it becomes a habitual, quick method”
“short video guide and clear markings made replacement of their old lock very simple”
Choose Sifely for cost-effective indoor or sheltered use with high user limits; choose Ultraloq for all-weather exterior durability.
Professional reviewers position the Sifely keyless fingerprint lock as a budget-friendly, easy-install option with strong suitability for indoor, family, and light exterior use. They caution against relying on it in consistently harsh outdoor conditions or for users with very high-moisture or dirt-prone environments, noting that fingerprint reliability under wet conditions is less stable than higher-end competitors.
Everyday users tend to rate this lock highly for interior use and protected entry doors, praising its ease of installation and value for money. The main caveats reported by consumers are conditional grip on fingerprint recognition when hands are wet or dirty, and the need for a gateway to enable full remote features.
