Best Smart Lock of 2021

The first smart lock to earn nationwide attention was created by August Home. Other versions have followed but most have failed to impress consumers, with the exception of the Yale Assure and Schlage Connect.

The August Smart Lock First Generation was followed by the second and third Generations, both doing exceptionally well on the market. In 2017, August released another version of its third generation smart lock, moving from a circular design to a more modern design. The lock comes with a Connect Wi-Fi Module (required) and DoorSense Sensor.

The August Smart Lock 3rd Generation is compatible with iOS 11 or greater and most Android devices. It is also compatible with other deadbolt brands, including EMTEK ASSA ABLOY and Yale. Unfortunately, the lock will not support Medeco deadbolts.

The smart lock is 2.7” W X 4.8” H X 2.1” D. It weighs less than a pound at 15.5 ounces. The retrofit design ensures a 10-minute installation, as the lock fits over the existing deadbolt. So, you can continue to utilize the keys for your existing deadbolt. Four AA batteries power the lock.


  • Remote access from Android and iOS devices
  • Auto-unlock/lock capability
  • Unlimited guest key creation
  • Compatible with Google Assistant, Apple’s Siri (HomeKit), Amazon’s Alexa, Airbnb, HomeAway, IFTTT, Nest, SimpliSafe, Wink, and SmartThings
  • Remote notification
  • Bluetooth local access

With DoorSense Technology, the homeowner will know when their door is ajar or closed.

August gives homeowners full control of their front doors from near and far. The August Home app is user-friendly, gives control to keyless guest access, track-ability guests, and security status.

Toe ensure the highest level of security, the lock utilizes two-layer and two-factor authentication. Even if you lose your smartphone, August has you covered. With two simple steps, you can protect your home when your phone is lost. Simply access to disable your August app. You can learn more about the August Smart Lock Third Generation at Amazon.

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