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Flo period tracker sells user data to Meta and Google
(femtechdesigndesk.substack.com)
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this post was submitted on 28 Apr 2026
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Privacy
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Privacy has become a very important issue in modern society, with companies and governments constantly abusing their power, more and more people are waking up to the importance of digital privacy.
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Use softwares that are open sourced and be happy. There's plenty of period tracking apps on F-Droid.
Open sourced softwares can't hide trackers from users since the source code must be up-to-date. If not, people will be suspicious. And if a open sourced software do use trackers, the community will complain... a lot!
Closed source doesn't necessarily hide trackers either. Tracker Control (on Android) will point out tracker libraries and tracker domains closed source apps use. A good DNS blocker will let you know too by the logs.
I agree but most open-source software will not add any trackers because even if they did someone will fork and remove them also lot of open-source apps like this won't even have internet access to sell your data
Oh for sure. My comment was just to say just because it's closed source doesn't mean you can't get some sense of what they're trying to do behind the scenes with your data.