Flo Ovulation & Period Tracker

In-app purchases
4.7
2.84M reviews
50M+
Downloads
Content rating
Everyone
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About this app

Discover the most popular female health & well-being guide chosen by 257M women, co-created with 100+ leading health & medical experts, and acclaimed medical institutions.

- Your data protected and securely stored. Your health data will not be shared with any company but Flo, and you can delete it at any time.
- The first period and ovulation tracker to achieve ISO 27001, the internationally recognized standard for information security.
- Content, reviewed by 100+ doctors and health experts
- Partner of the United Nations Population Fund in the area of reproductive health

No matter your life stage or reproductive goal, personalize Flo Ovulation and Period Tracker to make it unique and relevant for you. Based on advanced AI technology, Flo period calendar helps you to monitor your menstruation, ovulation, cycle, fertility, or pregnancy accurately. As a one-stop solution for all things female health and well-being, you can track all-in-one: period start date and length, fertile window, ovulation day, PMS symptoms, flow intensity, birth control, water intake, sleep and step counter, and much more. Follow your baby’s growth weekly during pregnancy.

MENSTRUAL CYCLE TRACKER & PERIOD CALENDAR
Your cycle is so much more than your period. Every woman may experience different symptoms, mood swings, and energy levels each cycle phase. Together with a team of 100+ health experts, Flo Ovulation and Period Tracker helps you to understand your body better.

OVULATION CALCULATOR & PREGNANCY CALENDAR
Get pregnant as soon as naturally possible for you by identifying your most fertile days, and receiving tailored insights. With Flo’s pregnancy mode you’ll calculate your due date, set a countdown, and learn the essentials of newborn care.

LIFESTYLE & FITNESS TRACKER
Log 70+ symptoms and activities to get the most precise AI-based overview of your body’s patterns. Keep a diary of your weight, water intake, physical activity, sex drive, moods, and PMS symptoms to monitor changes and receive timely insights.

REMINDERS
Schedule reminders of your period approaching, start and end date, your ovulation day, and personalize Flo Ovulation and Period Tracker to get notifications about weight, sleep, water intake, step goal, and birth control.

SECRET CHATS
Safely discuss intimate topics, ask questions anonymously and get support from one of the largest female communities worldwide.

AVAILABLE ON YOUR SMARTWATCH
Time to check in! Flo period tracker is now compatible with Google Wear OS 3 so you can use it on your smart watch. Get predictions, log your period and sync with your cycle, right from your wrist.

ANONYMOUS MODE
In Anonymous Mode, Flo transfers only essential data, like cycles and symptoms, to a new account that does not contain any personal information, such as your email, name or technical identifiers. This way, you’ll be able to continue enjoying personalized insights and accurate predictions, but with the option to remove any connection with your identity.

Download this menstrual cycle tracker and join millions of women and teens who trust their cycles to this Period Tracker & Ovulation Tracker & Fertility Calendar.

Note: Flo’s predictions should not be used as a form of birth control/contraception.

CONNECT WITH THE APP FLO PERIOD TRACKER, OVULATION & FERTILITY CALENDAR
support@flo.health

Accessibility statement: https://flo.health/accessibility-statement-android?current-location=auto-detect
Updated on
Nov 10, 2022

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
4.7
2.84M reviews
Jayme Mae Poer
November 26, 2022
I've had this app for years and it used to be the absolute best! But the ads and pop-ups for the premium are constant and now I can't access even the most basic information for free. For example, it used to just show some expected symptoms for where I'm at in my cycle, now they're all blurred out. Also, a lot of the article that are in full view (but I wish were blurred out) are "How to get the most out of your orgasms" in all caps with two naked girls hugging each other. Will be deleting.
2 people found this review helpful
Did you find this helpful?
Flo Health Inc.
November 28, 2022
Hi Jayme! We’re sorry to hear that. We’d be grateful if you would write to us at support@flo.health and share how you suggest changing the functionality you refer to in your review. Thank you for your honest feedback! Kind regards, Flo Support Team
Makalie Williamson
November 23, 2022
I absolutely love the app! Best period tracker I've used so far. But, I'm a busy college athlete, so some sort of "track cycle" notification would be awesome! The pop-ups are quite annoying too, but that's something I can work around. I hope you guys bring back the old themes soon. All the darker colored ones I used are gone, and the ones available now are too bright for me to use (I have sensitive eyes). Please bring back the old app themes!
27 people found this review helpful
Did you find this helpful?
Flo Health Inc.
November 28, 2022
Hi there! We really appreciate your feedback! We decided to temporarily remove the dark themes, as we're planning to make them even better and return the themes in the first half of 2023. Stay with us for the updates! Yours, Flo
Brittany Wollum
November 14, 2022
I really enjoy the app for the most part. But this is my third pregnancy this year (first two ended unexpectedly) and instead of changing some of the information to fit me, it's very generic to a first time mom. Which is great, but I would like it more catered to me. Ive read the articles before and would like different information. Finding recipes or certain articles isn't easy. The search uses one word and brings up other things I'm not looking for.
42 people found this review helpful
Did you find this helpful?
Flo Health Inc.
November 18, 2022
Hi Brittany! It’s feedback like yours that helps us to continue to improve our app - thank you! We will add your suggestion to the list of feature requests that are reviewed by our product team on an ongoing basis. Best regards, Flo Support Team

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!