What's New

We are always working to make the app better and provide you with the best possible health-tracking experience.

In this update, we have fixed minor bugs to make the user experience more smooth & seamless.

App Description

• The most downloaded Health & Fitness app in App Store worldwide (August 2019)
• App of the Day in App Store in over 30 countries
• Partner of United Nations Population Fund in the area of reproductive health
• Over 9M women got pregnant with Flo
• Featured in Vogue, Glamour, Women’s Health, Refinery29, Cosmopolitan, Elle, Wall Street Journal, TechCrunch, Venture Beat, MTV, The Guardian and more

Flo Period Tracker, Ovulation & Fertility Calendar! It’s a smart and simple female period tracker, helpful pregnancy week by week app, accurate ovulation and fertility calendar and PMS symptoms tracker for women all over the world. Flo Period Tracker not only tracks your period accurately, but it’s also a reliable pregnancy calculator, ovulation calendar, and true fertility friend for you. It’s the first period app, pregnancy calculator, fertility and ovulation calendar for women that uses machine learning (AI). All women, even those with irregular periods, can rely on this health tracker. Log your menstruation days in a handy period calendar, ovulation and fertility tracker, schedule menstrual cycle reminders, record moods and PMS symptoms, use a due date calculator, follow a pregnancy calendar and take full control of your health.
Want to know when your next period is coming? Confused by PMS symptoms? Want to take your birth control pills in time? With Flo female period tracker, ovulation and fertility calendar it’s easy to keep track of your menstrual cycle.


• Track your cycle, period and PMS
• Log the start date, the end date of menstruation and fertile days
• Follow days favorable for conception in the fertility calendar
• Get predictions for upcoming periods, ovulation and fertility
• Log more symptoms to get improved predictions if you have irregular periods


• See countdown to the birth of the baby
• Track the week of pregnancy
• Get interesting articles on pregnancy


• Keep your cycle, ovulation, fertility and symptoms history
• Analyze your cycle and period duration, weight changes and activity during the cycle
• See the graph of your BBT and ovulation


• Find out more about your body, cycle, ovulation and fertility
• Get daily health insights based on your data
• Import your data from Fitbit and Health App


Want more from Flo? Get Flo Premium and enjoy:
• Personalized Insights Based on Your Symptoms and Cycle Phase
• Detecting Physical and Emotional Patterns
• Health Report for Doctor

Our standard subscription options are: 1-month subscription for $9.99, 3-month subscription for $19.99, 6-month subscription for $39.99, 1-year subscription for $49.99 or equal to the same price tier as Apple App Store Matrix determines as the equivalent of subscription price in USD.

• 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

Download this period diary and join millions of women who trust their cycles to Flo Period & Ovulation Tracker & Fertility Calendar
[email protected]

iPhone Screenshots

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Flo Period & Ovulation Tracker screenshot 1 Flo Period & Ovulation Tracker screenshot 2 Flo Period & Ovulation Tracker screenshot 3 Flo Period & Ovulation Tracker screenshot 4 Flo Period & Ovulation Tracker screenshot 5

Apple Watch Screenshots

(click to enlarge)

Flo Period & Ovulation Tracker screenshot 6 Flo Period & Ovulation Tracker screenshot 7 Flo Period & Ovulation Tracker screenshot 8 Flo Period & Ovulation Tracker screenshot 9 Flo Period & Ovulation Tracker screenshot 10

App Changes

  • October 04, 2015 Initial release
  • October 17, 2015 New version 1.1
  • November 14, 2015 New version 1.2
  • November 22, 2015 New version 1.3
  • December 09, 2015 New version 1.4
  • January 13, 2016 New version 1.6
  • February 05, 2016 New version 1.7
  • March 09, 2016 New version 1.8
  • June 22, 2016 New version 2.2
  • July 05, 2016 New version 2.2.1
  • November 05, 2016 New version 2.4
  • November 12, 2016 New version 2.4.1
  • December 07, 2016 New version 2.5
  • December 20, 2016 New version 2.5.1
  • December 23, 2016 New version 2.5.2
  • May 29, 2017 New version 3.3
  • March 08, 2018 New version 4.3.1
  • October 11, 2018 New version 4.11.0
  • January 30, 2019 New version 4.21
  • February 08, 2019 New version 4.21.1
  • February 13, 2019 New version 4.22
  • April 11, 2019 New version 4.28.0
  • April 12, 2019 New version 4.29
  • April 30, 2019 New version 4.30.0
  • June 13, 2019 New version 4.34
  • June 20, 2019 New version 4.35
  • June 25, 2019 New version 4.35.1
  • June 29, 2019 New version 4.35.2
  • August 16, 2019 New version 4.43.0
  • September 11, 2019 New version 4.44
  • September 23, 2019 New version 4.45
  • September 26, 2019 New version 4.46
  • October 09, 2019 New version 4.47

Other Apps From FLO HEALTH, INC.

OW Ovulation Tracker: Ovulation & Period Tracker