The main appeal here is that the keypad allows you to let people in regardless of whether or not they have a compatible smart phone. Before, they needed to own an Android or iOS device and download the app before you could grant them a digital key. Now, you can just program a code for them.
The August Smart Keypad is up for pre-order now at a price of $80 (£50/AU$110, converted roughly). It's expected to ship out in the US within the next four to eight weeks. August tells us that UK and Australian sales are coming a little further down the line.