
August Smart Lock Pro + Connect Silver
Score: 76/100
eufy Smart Lock C220
Score: 88/100Rankings

The eufy Security Smart Lock C220 is a robust, hub-free Wi-Fi deadbolt featuring self-learning AI fingerprint recognition and BHMA Grade 3 durability. Its main drawback is the reliance on standard AA batteries without a rechargeable option. It is ideal for users in extreme weather environments or high-traffic households who prioritize reliability and ease of installation.

The August Home Smart Lock Pro + Connect is a versatile retrofit lock with broad smart-home ecosystem integration and reliable DoorSense technology. Its main trade-offs are the dependency on a separate Wi-Fi bridge and potential battery drain issues. It is best suited for renters, HOA-restricted homes, and multi-user households needing extensive smart home compatibility.
| Attribute | ![]() | ![]() |
|---|---|---|
— | 8 monthsbest | |
— | -22 °Fbest | |
— | 50 entriesbest | |
1 years | 1.5 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Access & Security(1) | ||
Unlock Methods | App, Physical Key, Bluetooth, Z-Wave | Fingerprint, App, Voice, Passcode, Mechanical Key, Button |
Connectivity & Smart Features(1) | ||
Bluetooth Version | 4.0 | 5.0 |
Durability & Environment(3) | ||
IP Rating | Not specified | IP53 |
Body Material | Plastic metallic | Zinc-alloy |
Operating Temperature (°F) | Not specified °F | -22 °F |
Access & Biometrics(1) | ||
Fingerprint Capacity (entries) | false entries | 50 entries |
Installation & Fitment(3) | ||
Door Thickness Compatibility (inches) | Not specified inches | inches |
Backset (inches) | Not specified inches | inches |
Installation Type | Retrofit | DIY |
Security & Compliance(2) | ||
Security Grade | Not specified | Grade 3 |
Encryption Support | Not specified | AES128 + ECC |
Support & Warranty(1) | ||
Warranty Period (years) | 1 years | 1.5 years |
Power & Battery(1) | ||
Battery Life (months) | Not disclosed months | 8 months |

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

Professional reviewers commend the August Smart Lock Pro + Connect for its quick, screwdriver-only installation and deep integration across major smart-home platforms.
Everyday users appreciate the ability to control the lock remotely, retain their original keys, and share digital access with family members.

“simple with just a screwdriver, instructional videos available”

“worth your time”

“effortless app control”




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.