Privacy remains an issue with several women’s health apps

The billion-dollar industry has faced scrutiny for its lax approach to private information

Close up of a woman holding a smartphone

Health apps collect many kinds of data from users, and only a small part of it is directly provided by the user, a new study has found.

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With millions of users globally, the women’s health app market is projected to cross $18 billion by 2031. Yet these apps are among the least trusted.