Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
I would not use a pass code other than for the fact that:


And I like using apple pay.

Why you only enter the passcode when you put it on or leaves contact with your skin. Its not like you are putting the passcode in overtime the screen flips on.
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.