This app rarely works. It takes too long to connect. I had to set up a few times due to the app not connecting at all. Now It won’t even allow me to go through the set up process, my computer and ipnone don’t seem to be able to “find” each other, they are both stuck in the “get the app” screen.
ssabourin about Knock – unlock your Mac without a password using your iPhone and Apple Watch, v2.0.2