Flo is a science-backed period tracker, ovulation tracker, fertility, and pregnancy app used by over 460 million* women worldwide. Whether you’re tracking your period (regular or irregular), trying to conceive, following changes to your baby and your body during pregnancy, or navigating perimenopause symptoms, Flo is here to support you. Join 460 million users* who use Flo’s science-backed insights, created with 100+ doctors and medical experts, to better understand their menstrual cycle. Is my data safe with Flo? Your health data deserves the highest level of protection. Flo was recognized as ISO 27001/ISMS Team of the Year at the 2025 PICCASO Privacy and Security Awards, honoring our excellence in information security management and long-standin...
Latest public release information from the App Store.
Version 10.0.0 update
Jun 17, 2026Dear Flo Community, This is a technical update that helps us improve our app and make performance even better. Thank you for updating! Always yours, The Flo Team P.S.: If you like our app, please don’t hesitate to rate and review us
First App Store release
Oct 4, 2015Original public release date for this app listing.
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