Entering pin codes in micasaverde

I have been using a vera2 for a few years and finally got around to adding a door lock (Kwikset). It works fine, but micasaverde (and Homewave) do not require me to enter a pin to open the door remotely. Anybody who pick up my iphone can open the door. I added a pin code in micasaverde and did not select anything for restrictions. I guess I must be missing something, but I can’t figure out what?
Thanks in advance for help.

Set a pin for your IPhone. That becomes first line of defense and makes a pin code for app redundant.

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