“The best retrofit smart lock for keeping your existing keys”
The August Wi-Fi Smart Lock ($229-$249) is a top pick with a 8.5/10 consensus score across 12 expert reviews. Experts highlight keeps existing keys and deadbolt and built-in wi-fi (no bridge needed). Wirecutter says: "The best retrofit smart lock for keeping your existing keys" Best for: Renters, Retrofit installations, Airbnb hosts.

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August Wi-Fi Smart Lock
Smart Locks
Consensus Score — 12 experts
Updated 4 days ago
“The best retrofit smart lock for keeping your existing keys”
Key Features
- ✓ Built-in Wi-Fi
- ✓ DoorSense
- ✓ Auto-unlock
- ✓ Guest access
Best For
What Experts Agree On
What Experts Love
- ✓ Keeps existing keys and deadbolt
- ✓ Built-in Wi-Fi (no bridge needed)
- ✓ Excellent app and auto-unlock
- ✓ Works with all major platforms
- ✓ DoorSense tells if door is open
Common Criticisms
- ✗ Bulky design
- ✗ Battery life around 3-6 months
- ✗ Installation can be tricky
- ✗ Expensive
What The Experts Say
“Auto-unlock works like magic when properly configured”
Affiliate disclosure: SmartHomeExplorer.com participates in the Amazon Associates program. We earn a commission from qualifying purchases at no extra cost to you. This consensus review is based on 12 independent expert reviews — we did not test this product ourselves. Always verify current prices and availability before purchasing.

