@augmentedampharos replied to your post “Folks who menstruate, which tracking app(s) do you...”:
I'm using "P Tracker" without an account but I haven't much looked into their privacy policies. It is mad that I didn't make an account and claims it's not backing anything up though but 🤷♀️
That's actually what prompted this; I didn't have an account on my previous app, which forced me to update and now won't let me access my local data until I make an account :(
I haven't been able to find something called P Tracker, just "Period Tracker" by GP International, which the Mozilla Privacy Not Included project voted as not super great. Do you use an iPhone? It's possible there's another app by that name in the Apple Store (I use Android)?