Read
- Developer of Popular Women’s Fertility-Tracking App Settles FTC Allegations that It Misled Consumers About the Disclosure of their Health Data;
- Lawsuit claiming Flo Health app shared intimate data with Facebook greenlit as Canadian class action;
- Google, Flo Health to pay $56 million in period-tracking app privacy case;
- Menstrual tracking app data is a ‘gold mine’ for advertisers that risks women’s safety;
- You Give Apps Sensitive Personal Information. Then They Tell Facebook
Android:
iOS:


Apple employs on-device storage. Don’t use iCloud backup. I don’t know how the listed apps work, but if there’s a cloud sync, the same thing applies to them - and they’re less able to fight it should they choose to.