Yale Assure Lock 2
Score: 88/100
eufy FamiLock S3 Max
Score: 92/100Rankings
The eufy Security FamiLock S3 Max is a 3-in-1 smart lock that integrates palm vein recognition, a 2K video doorbell, and a deadbolt into a single device. It utilizes infrared technology to unlock in under 0.1 seconds with 99.99999% accuracy, offering a contactless security solution that works for all ages and skin conditions. It is best suited for multi-generational households and high-security-conscious homeowners.
The Yale Assure Lock 2 is a high-feature smart deadbolt that stands out for its support of Apple Home Key and extensive connectivity options including Z-Wave and ZigBee. It offers robust security with a tamper alarm and DoorSense sensor, though it relies on standard AA batteries. It is best suited for tech-savvy users who want deep smart home integration and Apple ecosystem compatibility.
| Attribute | | |
|---|---|---|
— | 6 hoursbest | |
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 Lithium, AAA |
Connectivity & Smart Home(3) | ||
Connectivity Standards | Wi-Fi, Bluetooth, Z-Wave, ZigBee | Wi-Fi 6, Matter |
Voice Assistant Compatibility | Alexa, Google, Apple Home | Apple Home, Alexa, Google Assistant, SmartThings |
Bluetooth Range (meters) | 4.5 meters | meters |
Durability & Environment(2) | ||
IP Rating | IP65 | |
Operating Temperature | -25°C to 60°C | -30°C to 70°C |
Access & Security(3) | ||
Security Grade | Grade 2 | ANSI/BHMA Grade 1 |
Unlock Methods | Keypad, Physical Key, App, Voice, Auto-Unlock, Apple Watch | Palm Vein, App, Voice, Password, Physical Keys |
Activity Log | true | |
Build & Design(1) | ||
Material | Zinc | |
Products in the top-left offer the best value (high score, low price).
Professional reviewers highlight the device's age-independence as its primary benefit, noting that palm vein scanning remains reliable for users with damaged or changing skin where fingerprint readers fail. Reviewers praise the sub-0.1 second unlock speed and the high security level, describing the biometric data as nearly impossible to replicate or spoof.
There is insufficient consumer feedback data available to determine common praise or recurring complaints. The available sources are primarily manufacturer descriptions and a single professional video review, lacking extensive user testimonials.
“the device's biggest benefit is its age-independence—palm vein scanning doesn't degrade with age like fingerprint scanners”
“security is nearly impossible to fake due to unique vein patterns”
