Yale Assure SL Black Suede
Score: 78/100
eufy Smart Lock C33
Score: 78/100Rankings
The Yale Assure SL is a versatile smart deadbolt featuring built-in Wi-Fi and a touchscreen keypad, ideal for retrofitting standard doors. Its main drawback is the reliance on disposable AA batteries which require frequent replacement. It is best suited for homeowners who want immediate remote access without purchasing additional connectivity hubs.
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 | | |
|---|---|---|
6 months | 10 monthsbest | |
35 mmbest | — | |
60 mmbest | — | |
-25 °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, Siri, SmartThings, Hubitat | Alexa, Google Assistant |
Voice Assistant Support | Alexa, Google, Siri | Alexa, Google Assistant |
Access & Security(3) | ||
Encryption Standard | EN 61000.6.3 | Not specified |
Unlock Methods | Keypad, App, Voice, Auto-unlock | Fingerprint, Keypad, App, Key, NFC |
Alarms | true | null |
Durability & Environment(2) | ||
IP Rating | IP54 | IP53 |
Operating Temperature (°C) | -25 to 60 °C | null °C |
Power & Battery(3) | ||
Battery Life (months) | 6 months | 10 months |
Power Source | 4 x AA Alkaline | AA Batteries |
Low Battery Indicator | true | null |
Physical & Installation(3) | ||
Door Thickness Compatibility (mm) | 35-57 mm | null mm |
Backset (mm) | 60-70 mm | null mm |
Installation Type | Retrofit | No Drilling |
Support & Service(1) | ||
Warranty | Lifetime Mechanical / 1 Year Electronics | 1.5 |
Products in the top-left offer the best value (high score, low price).
Professional reviewers highlight the Yale Assure Lock SL as a popular and reliable deadbolt for home automation, noting its versatility across platforms like August, SmartThings, and Hubitat.
Everyday users generally praise the convenience of keyless entry, the ease of installation, and the reliability of the app and voice assistant integration.
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.
