Ultraloq U-Bolt
Score: 85/100
eufy Smart Lock C33
Score: 78/100Rankings
The Ultraloq U-Bolt Pro is a versatile, Grade 1 certified smart deadbolt featuring built-in WiFi and an impressive 8-in-1 entry method suite. Its main trade-offs are the high battery consumption from WiFi connectivity and the limitation to 2.4GHz networks. It is ideal for tech-savvy homeowners and Airbnb hosts who need robust remote access and door-ajar alerts.
The eufy Smart Lock C33 is a keyless deadbolt featuring integrated Wi-Fi and adaptive biometric fingerprint recognition that learns from handle grip usage. It offers multiple unlock methods including a keypad, app, and physical key, with a focus on easy 15-minute installation without drilling. Ideal for families and renters needing simple keyless entry without wiring or hubs.
| Attribute | | |
|---|---|---|
4.5 months | 10 monthsbest | |
40 mmbest | — | |
60 mmbest | — | |
-20 °Cbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Connectivity & Smart Home(1) | ||
Smart Home Compatibility | Alexa, Google Assistant, SmartThings, IFTTT | Alexa, Google Assistant |
Access & Security(4) | ||
Encryption Standard | 128-bit AES | Not specified |
Unlock Methods | App, Fingerprint, Keypad, NFC, Physical Key, Voice, Web Portal | Fingerprint, Keypad, App, Key, NFC |
Fingerprint Recognition Speed (seconds) | seconds | null seconds |
Alarms | null | |
Durability & Environment(2) | ||
IP Rating | IP65 | IP53 |
Operating Temperature (°C) | -20 to 65 °C | null °C |
Power & Battery(3) | ||
Battery Life (months) | 3-6 months | 10 months |
Power Source | 8x AA Alkaline | AA Batteries |
Low Battery Indicator | null | |
Physical & Installation(3) | ||
Door Thickness Compatibility (mm) | 35-45 mm | null mm |
Backset (mm) | 60 or 70 mm | null mm |
Installation Type | DIY No-Drill | No Drilling |
Products in the top-left offer the best value (high score, low price).
TechHive and the Ultraloq community praise the U-Bolt Pro for its healthy facelift and improved auto-unlock geofencing over previous models. Reviewers highlight the configurable auto-lock feature using the door sensor and the plentiful features that balance security with convenience. The product is considered a flagship for user-friendliness, particularly due to its built-in WiFi, Bluetooth, and door sensor capabilities that fit standard doors with a quick, no-drill install.
Everyday users generally praise the simple app navigation, reliable remote control, and door alerts. There is strong appreciation for the IP65 durability and BHMA certification, which contribute to a sense of security. Users value the versatility of having multiple entry methods like fingerprint, app, and keypad. While complaints are scarce, some users note the limitation of WiFi-only connectivity and potential battery life concerns.
Professional reviewers praise the eufy Smart Lock C33 for its seamless fingerprint integration, hassle-free installation, and family-friendly biometrics, deeming it ideal for rentals and garages.
Everyday users appreciate the effortless family use, quick app setup, and reliable fingerprint performance for daily front door entry. However, recurring complaints focus on fingerprint recognition issues in wet conditions and faster-than-expected battery drain in high-traffic homes.
“Engineering excellence”
