Download the free app
https://www.mymonthlycycles.com
It only charts AF ( you can add all the other stuff in there if you want as well).
TY for the responses on my OP.
here's a snapshot of what it can give me in "chart" view:
Good.
I figured there was one out there.
Re: found what i was looking for (charting AF F/U)
Good.
I figured there was one out there.