These days you'll be told to use pen on an old fashioned paper calendar to track your period.

This is a bad idea coz anyone who enters your house has access to your calendar. Your data is no longer private.

As for apps that say "we won't share your data" - they don't have a choice WHEN the government asks.

"Trust us" is NOT good enough!

Be smart! Use our app. Keep YOUR data on YOUR phone!

https://www.huffpost.com/entry/period-app-privacy-violation_l_68adb004e4b075305188f6ed

#MyPeriodDataIsMine #UnhackablePeriodTracker #FemaleReproductiveHealth #LGBTQ

Your Period-Tracking App Might Be Violating Your Privacy. Here's How To Keep Your Data Safe.

The stakes are especially high in a post-Roe America, where reproductive health data can be politicized or weaponized.

HuffPost

If you want a private period tracker where YOU are in charge of YOUR data, download ours.

If you don't care who knows when you have your period or get pregnant or have an abortion, go with others:

https://arstechnica.com/tech-policy/2025/08/jury-finds-meta-broke-wiretap-law-by-collecting-data-from-period-tracker-app/

#MyPeriodDataIsMine #PrivatePeriodTracker #UnhackablePeriodTracker #Menstruation #FemaleReproductiveHealth #KeepDataPrivate #DataPrivacy

Meta illegally collected data from Flo period and pregnancy app, jury finds

Lawyers hail jury’s “clear message” to Big Tech; Meta will fight verdict.

Ars Technica