VeeDon't be on any ovulation tracker app OR site or anything that's not pen and paper. It's easy enough.
Echedelle ⚧@VeroniqueB99 there is Drip which is FLOSS, offline, is on F-Droid and is made by a supportive collective which refuse those things mainstream apps do.
noodlejetski 
@echedellelr @VeroniqueB99 yeah, and it literally doesn't have a way to connect to the internet at any point, it doesn't have a request for connection coded in