Flo - ovulation calculator, due date calculator and period tracker in one health app

#1 mobile product for women's health

Chosen by over 60 million users worldwide

4.9, over 900K ratings

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“Flo holds one of the top spots for female calendars and period tracking apps in the App Store and Google Play”

“As an app that over 50 percent of the world’s population could make use of on a monthly basis, it’s no wonder that Flo has met with enormous success since its launch in 2015”

“Flo is aiming to become more than just an app, with a hub covering all aspects of female health”

“Flo is the oracle if you experience random bleeding”

“Empowering women through shared information”

“The app is more than just a monthly countdown tool”

“Being more open about menstruation will destigmatize periods and help women feel less ashamed or embarrassed during that time of the month”

“Simple, straightforward app”

“The fastest growing AI-driven women’s health platform”

#1

period tracker in the US by active audience
#1

most downloaded health app worldwide
22M

monthly active users
62M

installs
5M

people use the app every day
+4.5M

new users every month
22

languages
4.2M

planned pregnancies and counting

Key Features

Discover everything Flo has to offer for a complete health experience:

Period and ovulation tracker

Log over 30 symptoms and activities to get the most precise AI-based period and ovulation predictions.
Graphs

Get to know your body by detecting physical and emotional patterns. Gather data for graphs and smart health reports to share with your physician.
Pregnancy and post-pregnancy modes

Track your baby’s development and learn the essentials of being a parent with special visuals and articles by best medical experts.
Daily health insights

Enjoy thousands of expert articles, quizzes, surveys, and interactive dialogues in your personal feed continuously being adapted for your changing lifestyle.
Timely reminders

Stay on track with your birth control and prepare for your period in advance.
Community

Ask questions anonymously and get support from more than 20 million women worldwide.