
Yale Assure Lock 2
Score: 85/100
eufy Video Smart Lock E330 3-in-1
Score: 78/100Rankings

The Yale Assure Lock 2 with Wi-Fi is a versatile smart deadbolt featuring native Wi-Fi connectivity and broad smart home ecosystem support. It offers strong security with Grade 2 certification and easy installation, though it lacks the highest Grade 1 rating. It is ideal for tech-savvy homeowners and rental properties needing remote access management.

The eufy Security E330 is a robust 3-in-1 smart lock offering 2K video, local storage, and fast biometric access without subscription fees. Its main drawbacks are inconsistent battery life and limited smart home ecosystem compatibility. It is best suited for Alexa/Google users seeking an all-in-one solution without monthly costs.
| Attribute | ![]() | ![]() |
|---|---|---|
— | 50 credentialsbest | |
4.5 metersbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Power & Battery(1) | ||
Battery Type | 4 x AA | Rechargeable Li-ion |
Installation & Fit(2) | ||
Door Thickness Compatibility | 1.75-2.25 inches | 35-55 mm |
Installation Type | Deadbolt | No-Drill |
Connectivity & Smart Home(3) | ||
Connectivity Standards | Wi-Fi, Bluetooth | Wi-Fi |
Voice Assistant Compatibility | Alexa, Google, Apple HomeKit | Alexa, Google Assistant |
Bluetooth Range (meters) | 4.5 meters | N/A meters |
Durability & Environment(2) | ||
IP Rating | IP65 | |
Operating Temperature | -22°F to 140°F | -30°C to 70°C |
Access & Security(3) | ||
Security Grade | Grade 2 | BHMA Certified |
Unlock Methods | Keypad, App, Voice, Auto-Unlock, Key | Fingerprint, App, Keypad, Voice, Physical Key |
Fingerprint Capacity (credentials) | credentials | 50 credentials |
Build & Design(1) | ||
Material | Zinc | Metal/Plastic |

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

Professional reviewers praise the Yale Assure Lock 2 for its security commitment, featuring robust encryption and tamper alarms. They highlight the long battery life as a surprising positive and commend the lock's versatility, including fingerprint, app, and voice control options.
Everyday users commonly praise the ease of installation and use, noting the quick setup on standard doors and the reliability of the keypad and app. Security features and design are frequently highlighted, with many users appreciating the peace-of-mind provided by real-time notifications.

“battery killer”

“remarkably sleek and compact”




Professional reviewers praise the E330 for its innovative all-in-one design, sharp 2K camera, and reliable motion detection. The subscription-free local storage and quick fingerprint unlock are highlighted as key strengths. However, critics note rapid battery drain, poor dark-time usability for the keypad, and limited ecosystem compatibility due to the lack of HomeKit support.
Everyday users appreciate the seamless fingerprint unlocks, clear video quality for package monitoring, and the benefit of no subscription fees. Recurring complaints focus on battery life falling short of expectations, confusing keypad lighting at night, and occasional Wi-Fi connectivity issues.