August Smart Lock Pro & Connect Hub

Last updated: October 4, 2021


This smart lock easily attaches to your existing lock so you can use it in tandem. It can lock automatically behind you and unlock as you approach. The smart lock requires a WiFi network to operate.

We looked at the top Smart Locks and dug through the reviews from some of the most popular review sites. Through this analysis, we've determined the best Smart Lock you should buy.

Product Details

Key Takeaway: This smart lock can be used in conjunction with your existing deadbolt.

In our analysis of 19 expert reviews, the August Smart Lock Pro & Connect Hub placed 2nd when we looked at the top 5 products in the category. For the full ranking, see below.

From The Manufacturer

Works with Alexa for voice control. Wireless requirements – 2.4GHertz Wi-Fi network. Connect Wi-Fi Bridge included. Control and monitor your door from anywhere. Lock and unlock your door, control, keyless access and keep track of who comes and goes, all from your phone. Alexa can also provide notifications when your battery is running low so you can proactively replace them. Set up smart reorders through dash replenishment to make sure you always have replacement batteries when you need them. Be sure you’re secure with DoorSense. Only August has DoorSense to tell you if your door is securely closed and locked. Holding force: 600 pounds. Always know who is coming and going. Track activity at your doorstep with a 24/7 activity feed. Keep your existing lock and keys. Easily attaches to your existing deadbolt; Use your existing keys at any time. Requires 110 to 240 volts. Locks automatically behind you, and unlocks as you approach. Requires iOS (9.0 or higher) or Android (5.0 or higher) smartphones. Retrofit installation works with most standard single cylinder deadbolts. Biometric Verification Opt in to use your smartphone’s fingerprint or facial recognition as an added security verification before operating your lock remotely. Simple, DIY installation. Install in about 10 minutes with just a screwdriver. Simply speak to lock your door. Tell Alexa, Siri or the Google Assistant to control your August Smart Lock Pro + Connect. Certified Z Wave Plus home product. Works with Z Wave, the leading wireless technology for security and home control products.

Expert Reviews


What reviewers liked

Easy to install. Works with HomeKit, Alexa, Google Assistant, Z-Wave, Nest, IFTTT, and more. Flexible settings. Convenient Auto-Lock and Auto-Unlock features.
Easy to install. Supports Bluetooth, Wi-Fi, and Z-Wave. Comes with a door sensor and a Wi-Fi bridge. Works with Alexa, Google, and Siri voice commands. Geofencing and IFTTT support.
Well-designed. Great app. Multiple smart assistant support.
High quality, robust build. Simple guided installation experience. DoorSense knows when door is left ajar. Wide range of third-party device integrations. Voice control via Siri, Alexa and Google Assistant.
The best smart home compatibility among smart locks. Modern and slimline design. Retrofitting means easy installation.
Easy installation, effective (though certainly not streamlined) access sharing.
Uses existing deadbolt mechanism. Compatible with most smart assistants. Installation is a breeze.
Two-layer encryption (just like a bank). Lost phone feature available. Eye, print, or facial verification also available. Two-factor authentication.

What reviewers didn't like

No alarm, unlike competitor Kwikset.
Expensive.
Bulky. A little pricey.
Expensive. Chunky design may look ungainly. Voice control offers limited functionality.
If you attach this to a cheap deadbolt, your security won't improve much.
Keyless entry can be slow and finicky, Alexa compatibility can be buggy.
It requires a separate Wi-Fi bridge. No charger included.
View our Smart Lock buying guide for in-depth advice and recommendations.

From our partners