Yale Assure Lock 2
Score: 88/100
eufy Smart Lock C220
Score: 92/100Rankings
The eufy Security Smart Lock C220 is a hub-free, Wi-Fi-enabled deadbolt with BHMA Grade 3 security and AI fingerprint recognition. It offers six unlock methods and reliable performance in extreme weather conditions. The main trade-off is the reliance on 8 AA batteries without a rechargeable alternative. It is best suited for high-traffic households and users in extreme climates.
The Yale Assure Lock 2 is a versatile smart deadbolt supporting multiple access methods including Wi-Fi, Bluetooth, and Apple Home Key. It features a DoorSense sensor for accurate status reporting and auto-unlock capabilities via Bluetooth proximity. It is best suited for users seeking a highly connected smart lock with broad ecosystem compatibility.
| Attribute | | |
|---|---|---|
8,760 hoursbest | 5,840 hours | |
35 mm | 40 mmbest | |
60 mmbest | — | |
— | 50 usersbest | |
-25 °Cbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Installation & Compatibility(1) | ||
Door Thickness Compatibility (mm) | 35-57 mm | 40 mm |
Access & Security(1) | ||
Unlock Methods | Keypad, Physical Key, Remote App, Voice Assistant, Auto-Unlock, Apple Watch | 6 total |
Durability & Environment(2) | ||
Exterior Material | Zinc | Zinc-alloy and stainless steel |
Operating Temperature (°C) | -25 to 60 °C | -30 to 70 °C |
Power & Battery(2) | ||
Battery Life (hours) | 8760 hours | 5840 hours |
Low Battery Alert | N/A | true |
Features & Convenience(1) | ||
Keypad Type | Keypad | Backlit numeric |
Connectivity & Smart Home(2) | ||
Smart Home Ecosystem | Apple Home, Z-Wave, ZigBee | Matter, Alexa, Google Assistant, Apple Home, Samsung SmartThings |
Voice Assistant Support | Yes | Alexa, Google Assistant, Apple Home |
Products in the top-left offer the best value (high score, low price).
Professional reviewers praise the C220 as a 'triumph of form and function,' highlighting its reliability, hub-free Wi-Fi convenience, and premium build quality.
Everyday users appreciate the zero lockout anxiety provided by the physical key backup and the fast, accurate fingerprint recognition. Common praise includes the easy 15-minute installation and reliable app notifications.
“triumph of form and function”
“arguably the best lock in its class”
