Discover the most popular guide to women’s health and wellbeing, created by 257 million women along with more than 100 leading health and medical experts and renowned medical institutions.

– Your data is protected and stored securely. Your health data is not shared with any company other than Flo, and you can delete it at any time.
– The first menstrual and ovulation tracker to meet the ISO 27001 internationally recognized information security standard.
– Content reviewed by over 100 doctors and health professionals
– UNFPA partners in reproductive health

Based on advanced artificial intelligence technology, the Flo Period Calendar helps you accurately monitor your menstrual ovulation cycle for fertility or pregnancy. Track your baby’s growth weekly during pregnancy.

Menstrual Cycle Tracker & Period Calendar
Your cycle is much more than your cycle. Every woman may experience different symptoms, mood swings and energy levels during each cycle stage. Flo Ovulation and Period Tracker, a team of over 100 health professionals, helps you better understand your body.

Ovulation calculator and pregnancy calendar
Get pregnant naturally as quickly as possible by identifying your most fertile days and getting tailored insights. With Flo’s Pregnancy Mode, you’ll calculate your due date and set a countdown and learn the essentials of newborn care.

Lifestyle and Fitness Trackers
Record over 70 symptoms and activities for the most accurate AI-based overview of body patterns. Record your weight, water intake, physical activity, libido mood and PMS symptoms to monitor changes and gain timely insights.

remind
Schedule reminders for the start and end dates of your approaching ovulation day, and personalize the Flo Ovulation and Period Tracker to get notifications about weight, sleep, water intake, step goals, and birth control.

secret chat
Safely discuss private topics, ask questions anonymously, and gain support from one of the largest communities of women in the world.

Available on your smartwatch
Time to move in! The Flo period tracker is now compatible with Google Wear OS 3, so you can use it on your smartwatch. Get Prediction Record your period and sync with your cycle directly from your wrist.

incognito mode
In anonymous mode, Flo transfers only basic data (such as cycles and symptoms) to new accounts that do not contain any personal information (such as your email name or technical identifier). This way, you’ll be able to continue to enjoy personalized insights and accurate predictions, but with the option to remove any association with your identity.

Download this menstrual cycle tracker and join millions of women and teens who believe in their cycle with this cycle tracker and ovulation tracker and fertility calendar.