HomeKit does indeed make the August Smart Lock more useful - http://www.sogotechnews.com/2016/05/28/homekit-does-indeed-make-the-august-smart-lock-more-useful/?utm_source=Pinterest&utm_medium=autoshare&utm_campaign=SOGO+Tech+News
August $250 Smart Lock Lets You Control Access From Your Smartphone - The August Smart Lock can be controlled using your smartphone and provides a safe, simple, and social way to manage your home’s lock, say its creators. The Smart Lock uses encrypted locking technology which is safer than keys that can easily be lost or misplaced. | Geeky Gadgets
AUGUST SMART LOCK $199 Your smartphone is now a smart key—and more. With August Smart Lock, you can lock and unlock your door, create virtual keys for guests, and keep track of who comes and goes with a 24/7 activity log, all from your iOS or Android smartphone.