I'm usually of opinion that if I have a tool already, whether built-in or really fitting my workflows, I prefer it to another app or tool I would have to get - even if it would improve my quality of life.

That's why I don't install any nice gui serial apps and use screen:

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ls -la /dev/tty | grep tty
screen /dev/tty.whatever 9600

I also always forget the specifics, hence this post.