Flo Period & Pregnancy Tracker 12+

Cycle and Ovulation Calendar


    • Free
    • Offers In-App Purchases


Discover the most popular female health & well-being guide chosen by 350M women, co-created with 100+ leading health & medical experts, and acclaimed medical institutions.

New on Flo: Flo for Partners! Link your account with your partner so he can see your cycle or pregnancy updates and maximize satisfaction for you both!

• The first period and ovulation tracker to achieve ISO 27001, the internationally recognized standard for information security.
• Partner of the United Nations Population Fund in the area of reproductive health
• App of the Day in the App Store in over 30 countries

As a one-stop solution for all things female health and well-being, Flo provides all-in-one tracking for period start date and length, fertile window, peak ovulation days, PMS symptoms, flow intensity, birth control, and much more. Follow your baby’s growth weekly during pregnancy.

Your cycle is so much more than your period. Every woman experiences different symptoms, mood swings, and energy levels each cycle phase. With Flo, you can log 70+ symptoms and activities to get the most precise AI-based overview of your body’s patterns. Together with a team of 100+ health experts, Flo helps you to understand your body better. Explore accurate cycle predictions and tips on how to benefit from your cycle phase and hormone levels.

Discover a personal journey to motherhood with Flo. Get pregnant as soon as naturally possible for you by identifying your most fertile days and receiving tailored insights. Flo’s pregnancy mode gives you access to beautiful images to follow your baby’s growth weekly. Calculate your due date, set a countdown, and learn the essentials of newborn care.

Get access to your monthly health report with personalized cycle graphs, and indications of your body’s patterns. A virtual health dialog will provide proactive information based on your unique profile and symptoms. Check if symptoms match those common of PCOS, endometriosis, or perimenopause with our Symptom Checker tool.

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

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.

Flo offers a subscription plan that gives you a more personalized experience and unlimited access to the entire health & well-being multimedia content library

• Payment will be charged to iTunes Account at confirmation of purchase
• Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period
• Account will be charged for renewal within 24 hours prior to the end of the current period, and identify the cost of the renewal
• Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase
• Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable

For more information please visit the link https://support.apple.com/en-us/HT202039
Privacy Policy: https://flo.health/privacy-policy
Terms of Use: https://flo.health/terms-of-use
Accessibility Statement: https://flo.health/accessibility-statement-ios

Flo uses HealthKit to export your Flo activities to the Health app and to read menstrual cycle data.

Flo app is not a diagnostic tool or Flo’s predictions should not be used as a form of birth control/contraception. Flo app is not a substitute for medical advice, diagnosis or treatment.

What’s New

Version 9.57.0

Dear 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

Ratings and Reviews

4.8 out of 5
1.4M Ratings

1.4M Ratings

mallalalalalalalalala ,

Not a fan of new format

I used to love flo. I’ve been using the app since my junior year of high school (I’m now a senior in college). I appreciate how I’ve been able to track my period through the years, as it’s been enormously helpful to my overall health, well-being, and awareness of my body. That being said, I have really struggled with the new updates that flo has undergone. Not only has the app become significantly less user-friendly, but the constant push to “go premium” has really negatively impacted my experience. I understand why they have a premium option, and I respect that it is there, but what I don’t respect is how I’m constantly being mislead in order to be trapped into signing up for a premium subscription. I find it really irresponsible that women who don’t want to pay for this app, will be given insights about their menstrual health, only to find out that they can’t have access to the information behave they don’t have an account! I used the chat feature a few times before, and it’ll leave me responding to chats for about 5 minutes, and right before they give me an answer about my health, they say I need to subscribe! It’s honestly cruel that an app meant to help women feel more secure about their health, is constantly misleading them like this, or trying to buy their desire for basic health info! Most of which can be googled, btw. I’ve really loved using flo, but am honestly considering shifting gears if things don’t change soon.

Developer Response ,

Hi mallalalalalalalalala,

Thank you for sharing this. We’re sorry to hear you’re disappointed that we moved some features out of the free plan. Premium subscriptions fund the ongoing development of the app, while keeping the basics free for everyone. We welcome your feedback. Please email us at support@flo.health.

Kind Regards,
Flo Support Team

Jess brownie ,

Good, but bugs

I really like this app! It helped me track my cycles and ovulation when I was trying to get pregnant, and then was super easy to swap over when I was finally pregnant! And the pregnancy side of things have been so good!!! I love opening it every day to find my new tips and advice for the day. It also helps me track my water, which I love.
But, the new updates it has gone through have been sort of weird. It always prompts me to input my weight to track it, but that feature is gone! There is nowhere for me to input my weight anymore. Also, the chat feature is gone! I liked the “chat” at the beginning of every week even though you can only respond with pre written responses, it was very informative and useful. One week of pregnancy was incorrect (said I was week 8 even though I moved on to week 9) and it didn’t work because it knew something was wrong, and now I haven’t seen it since.
Lastly, I loved all the of “stories” that it gave me during first trimester. A week to talk about exercise, a week for nutrition, a week for working while pregnant, etc. but as soon as second trimester hit, there’s nothing! I really looked forward to reading it everyday, but now there’s just a lack of information. I begin to wonder what I’m getting by paying “premium” because it sort of stopped all of the major things it was helping me with. But I loved it, so I’m mostly writing this review to let the creators know what they need to fix and bring back!!

Developer Response ,

Hi Jess brownie! We’re very sorry to hear that! We really want to help you, but we need to know your identifier in the app to find the reason for the issue and provide a solution. Please contact us from the app (Menu - Help - Contact us), and we’ll get back to you with more details on your request. Kind regards, Flo Team

At 12 xe ,

The #1 complaint you’ve had

It really is sad that the premium feature is even necessary for this type of thing. I feel the best way to make money would be by maybe adding ads, or maybe people could buy a premium where it just customizes everything.
One feature I feel should not be paid for, is the thing where you can talk to a professional about your health issues, or trying to find a specific article to read for a major problem you’ve been having, and to see how everyone else has dealt with it. As a woman and tons of other woman who use flo, feel like crap about this. Flo wasn’t just about tracking, it was about relating with all the anonymous people about basic woman problems that are to uncomfortable to talk about in real life. It really saddens me you have done this, especially when the “AI message” or whatever, says something along the lines of “your period is off” or “there could be medical problems, and then let that “AI” continue the conversation, and then wait until the end to tell you to buy premium. I just feel you have many ways around “keeping the basics free”, at least give some things back to us and make more things for people to buy, that are unrelated to something that should automatically be on your app to help women. I know it’s been two years of people saying this on the reviews so this probably won’t reach far, I’m just hoping in some way it’ll be better😕

Developer Response ,

Hi there! Thank you for reaching out. In an effort to create long term value for our users, we recently moved some features from the free plan to the Premium plan. The reason for this is while some apps push ads and sell user data to make money, we are committed to remaining ad-free and keeping our user data safe, secure, and protected at all costs. Our basic period tracker will remain free for everyone, and this will never change. While we started out as a period tracker, we’ve since expanded our vision to become an all-in-one deeply personalized, holistic health and wellbeing platform. This evolution has naturally required our team to bring on additional clinical experts and staff. We now have over 100 medical and health experts from medical schools and universities who make sure all of our content is medically credible and evidence-based. Our product managers and engineers work diligently to create a deeply personalized experience for our users and ensure that Flo is tailored to your needs, goals, and symptoms. Lastly, and most importantly, our data and security team implements best-in-class data security standards.practices. We encourage you to check out Flo Premium. Each day, you’ll find personalized tips based on your unique cycle phase and hormone levels. Our Insights section also offers a robust, searchable library of multimedia health and well-being content. Here at Flo, we aim to take female health to an entirely new level and hope to make our app even more useful and supportive for you. If you have any other questions, please reach out at support@flo.health. Your feedback is truly valuable, and it helps us improve the app for you and for many others around the world. Kind Regards, Flo Team



Flo Menstrual Cycle Tracker
Flo Menstrual Cycle Tracker
Your personal period calendar & symptom diary
Free Trial
Flo Pregnancy Tracker
Flo Pregnancy Tracker
Track your baby's growth with Flo Premium
Free Trial
Period & Ovulation Tracker
Period & Ovulation Tracker
Control your ovulation & fertility

App Privacy

The developer, FLO HEALTH UK LIMITED, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Purchases
  • Location
  • Identifiers
  • Usage Data

Data Linked to You

The following data may be collected and linked to your identity:

  • Health & Fitness
  • Purchases
  • Location
  • Contact Info
  • User Content
  • Search History
  • Identifiers
  • Usage Data
  • Sensitive Info
  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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