Flo Ovulation & Period Tracker

In-app purchases
4.6
3.8M reviews
100M+
Downloads
Content rating
PEGI 3
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About this app

Meet Flo, the world's most popular period tracker. With over seven million five-star ratings, Flo has become the go-to period tracker for more than 380 million people seeking a reliable period, ovulation, and cycle calendar that enables them to manage their menstrual cycle and more in one handy app. 100+ health experts support Flo in revolutionizing women's health and empowering people with periods to better understand their body's signals.

Connect with your partner on Flo for Partners while using Flo’s period tracker to easily share updates on your menstrual cycle, ovulation, pregnancy, and more. Your partner will receive insights and suggestions to support you better, enhancing your connection.

Why Flo?
- Accurate period tracker: Log your period start date in Flo’s calendar. 90% of members agree that Flo’s period tracker predictions are accurate.*
- Ovulation and fertility window tracker: Understand your cycle with Flo's calendar; learn more about your fertile days and how to plan better for conception.
- Flo helps 89% of women feel prepared and aware of their body's signals.**
- Go-to pregnancy app: Information from conception to birth to motherhood. 84% of members feel more educated about pregnancy with Flo's assistance.***

There's More to Period Tracking with Flo’s Period Tracker:
- Menstrual Cycle & Period Tracker: Flo’s period and ovulation tracker provides valuable insights into all your period symptoms, such as vaginal discharge and mood swings. Over 100 health experts lend their knowledge to Flo's period tracker, providing a medically credible and holistic approach to reproductive and menstrual health.
- Ovulation & Fertility Window Tracker: Benefit from expert insights, tailored content, and information about fertile windows and ovulation.
- Women's Health Tracker: Effortlessly log and understand your menstrual cycle, ovulation, symptoms, sex drive, fertility windows, and more.
- Pregnancy Tracker App: Vital insights for a healthy pregnancy and birth. Access valuable information and guidance on fertility, pregnancy, birth, and newborn care.

Maximizing Your Use of Flo Menstrual, Ovulation, & Period Tracker & Calendar:
- Anonymous Mode: Flo will not tie your name, email address, or technical identifiers to your health data in your Flo account.
- Reminders: Flo allows you to personalize your menstrual and period tracker experience with scheduled reminders around your period’s start and end date, ovulation days, taking the contraceptive pill, potential fertility signs, and more.
- Secret Chats: Safely discuss with Flo’s global community intimate topics like fertility, birth control, discharge, & irregular menstrual cycles.
- Content Library: Explore thousands of articles and videos on women's health, periods, ovulation, birth control, sex, fertility, & pregnancy.
- Health Assistant: Chat with Flo’s virtual assistant about late periods, irregular cycles, fertility, PMS, ovulation, and more.
- Symptom Patterns: Menstrual cycle and symptoms tracking to identify patterns in your period and better understand your body's signals.
- Wear OS complications & tiles: Set up a tile and complication on your watch to get insights about your cycle. Flo is compatible with Wear OS 3.

Important Notice: Flo's predictions should not be used as a form of birth control or to facilitate conception.

Please contact [email protected] for assistance regarding Flo’s period tracker and ovulation calendar.

To access Flo’s accessibility statement, visit: https://flo.**health**/accessibility-statement-android?current-location=auto-detect

Download Flo and join hundreds of millions who trust it as their go-to period tracker app for menstrual cycle tracking, fertility support, and pregnancy support.

*Based on a survey of 2,000 members in 2021.
**Based on a survey of 1,900 Premium members in 2022.
***Based on a survey of 2,500 members in 2022.
Updated on
12 Sept 2024
Events and offers

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region and age The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Location, Personal info and 7 others
Data is encrypted in transit
You can request that data be deleted

Ratings and reviews

4.6
3.77M reviews
Tamara
4 April 2024
I have been using this app for 4 years now. It does what it is supposed to do, very helpful, but all I want is to track my menstruation. The app keeps throwing popup ads on the whole screen, begging me to buy premium for an unreasonable price. There is a lot of useful information available in the app, I'm sure, but the premium is too expensive and the ads are pissing me off so much that I've decided to, from now on, use a different app.
6 people found this review helpful
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Flo Health Inc.
25 April 2024
Hello there! We’re sorry if you found our promotion of Flo Premium a bit pushy! We’ve been working hard to develop our product so that it’s helpful on your journey to becoming healthier every day. While we would be pleased to have you try Flo Premium, we value all of our users, whether they subscribe or decide to use the free version. Flo Team
Rabiah Ravat
6 September 2024
Used to be great. Subscription price is expensive. Not worth it. Has become a useless app now. Been using it for years, but they're always making annoying changes so people get the premium. Absolutely ridiculous. Constant bombarding of offers to get the premium version. Ridiculous how we have to pay so much to help us understand our bodies. Not everyone can afford it, even with offers. Also, when are you bringing back the dark themes? It's been so long
109 people found this review helpful
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Flo Health Inc.
2 December 2022
Hi Rabiah! We're very sorry to hear our current prices don't work for your budget. We often run promotions where you can purchase Flo Premium at a reduced price, so be sure to keep an eye out! Our price allows us to have resources for further development of the app and keep Flo essentials completely free for everyone. Kind regards, Flo Team
Kaitlyn
16 September 2024
Relatively good app, probably the best I've used as most apps restrict me from logging more than a certain amount of days I've had my period as I have very long periods, but I have issues with the symptom options and the money. While there's a wide range of options there's some that just aren't there (for example having a old/brown blood flow). As for the other issue, while I understand that apps need to make money, it's ridiculous to have to pay in order to better manage being a woman, jmo.
8 people found this review helpful
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What's new


Dear Flo community,
This is a technical update which helps us improve our app and make its performance even better.
Thank you for updating!

Always yours,
Flo team

P.S.: If you like our app please don’t hesitate to rate and review us!