
eufy Smart Lock C33
Score: 78/100
Bog fang Smart Lock
Score: 72/100Rankings

The eufy Smart Lock C33 is a keyless deadbolt featuring integrated Wi-Fi and adaptive biometric fingerprint recognition for easy, hub-free remote access. It offers multiple unlock methods and a hassle-free installation process, making it ideal for renters and families. However, it lacks the highest security grade and native Apple Home compatibility found in some competitors.

The Bog fang Smart Keypad Door Lock is a budget-friendly biometric door knob offering five unlock methods and a built-in doorbell. It includes a Wi-Fi gateway for remote access but suffers from limited user capacity and a lack of certified security grading. It is best suited for small households or apartments needing affordable keyless entry with remote monitoring.
| Attribute | ![]() | ![]() |
|---|---|---|
10 monthsbest | — | |
— | 20 usersbest | |
| ↓ lower better | — | 300 msbest |
— | 43 mmbest | |
— | 2.56 inchesbest | |
1.5 yearsbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Access & Biometrics(3) | ||
Unlock Methods | Fingerprint, Keypad, App, Key, NFC | Fingerprint, Password, IC Card, Physical Key, App |
Fingerprint Capacity (users) | Adaptive users | 20 users |
Fingerprint Recognition Speed (ms) | N/A ms | 300 ms |
Smart Connectivity(2) | ||
Connectivity Type | Wi-Fi | Wi-Fi (via Gateway) |
Voice Assistant Support | Alexa, Google Assistant | |
Build & Design(1) | ||
Material | Aluminum | |
Installation & Fit(3) | ||
Door Thickness Compatibility (mm) | N/A mm | 35-51 mm |
Backset (inches) | N/A inches | 2.36-2.76 inches |
Installation Type | No drilling | Door Knob |
Power & Battery(1) | ||
Battery Life (months) | 10 months | months |
Features & Usability(2) | ||
Auto-Lock | true | |
Keypad Type | Back-lit, Anti-peeping | Touchscreen |
Security & Compliance(4) | ||
Security Grade | Grade 3 | |
IP Rating | IP53 | |
Encryption Standard | N/A | |
Warranty Length (years) | 1.5 years | years |

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

Professional reviewers praise the seamless fingerprint integration and hassle-free installation, deeming it ideal for rentals. Editors highlight the reliable Wi-Fi app control but flag the Grade 3 rating as entry-level.
Everyday users appreciate the effortless family use, quick app setup, and reliable fingerprint performance for daily front door entry. Recurring complaints focus on fingerprint recognition issues in wet conditions and faster-than-expected battery drain in high-traffic homes.




Promotional sources and video demos highlight the product as offering remarkable value compared to pricier alternatives, praising its instant fingerprint security, app integration, and multi-method access as top-level for modern homes and offices.
Direct user reviews are unavailable in the provided data. However, implied praise from product descriptions suggests users value the ease of use provided by the touch-wake keypad and fast unlock speeds.