Flo Cycle & Period Tracker

Flo Health is a science-backed cycle, ovulation, pregnancy, and period tracker with over 570 million downloads worldwide.*

Track your period (regular or irregular), predict ovulation, learn to spot fertile signs, follow your baby’s growth with Flo Health’s pregnancy tracker, and explore common perimenopause symptoms. Flo Health is here to support your menstrual cycle and female health journey.

Is my data safe with Flo Health?
Flo Health is the first and only period tracking app with two certifications that are internationally recognized as the gold standard in data protection and security. In 2025, Flo Health was recognized as the ISO/Information Security Management System Team of the Year at the PICCASO Privacy and Security Awards for excellence and commitment to privacy-first design.

• Anonymous Mode: Use the Flo Health period tracker without any personal identifiers being linked to your health data.

Why choose Flo Health for period and ovulation tracking?
Flo Health is more than a basic calendar — it's a period tracker and ovulation tracker designed to help you notice patterns over time.

• Over 70 trackable symptoms and moods to receive personalized menstrual cycle insights
• Support for irregular periods, pre-period symptoms, and cycle changes
• Cycle report summaries you can download and share with your doctor

Can Flo Health support my trying-to-conceive (TTC) journey?
Flo Health offers educational features to help you explore conception insights and better understand how to spot fertile signs.

• Fertile window and ovulation predictions based on your logged period data
• Log LH/ovulation test strip results and basal body temperature
• Discharge tracking to help you recognize fertile signs

How does Flo Health support me in pregnancy?
Once you conceive, switch to Pregnancy Mode for checklists and expert guidance.

• Pregnancy tracking with weekly updates on your baby's development
• Daily articles explaining fetal development at each stage

Can Flo Health help me with perimenopause symptoms?
Track changes during perimenopause with tools designed to help you better understand this life stage.

• Perimenopause Score to follow symptom changes
• Menopause Timeline to understand the perimenopause phases
• Tracker to log sleep, energy, mood, and well-being changes

Can I share with my partner?
Flo for Partners lets you invite your partner to support your health journey.

• Help them understand your menstrual cycle, get ovulation predictions, and celebrate pregnancy progress together.

Is Flo Health free?
The Flo Health app is free to download and includes core tools you need to track and understand your cycle.

What do I get with Flo Health Premium?

• Daily, tailored insights and expert-led videos
• In-depth pregnancy features
• Symptom Checker** that provides educational information on polyendocrine metabolic ovarian syndrome, endometriosis, and uterine fibroids symptoms
• Fertility insights to support your TTC journey
• 24/7 virtual Health Assistant: Explore instant, tailored insights about your body and cycle trends
• Secret Chats: Find tips from other members
• Flori: Well-Being Battery that gives you a snapshot of how your sleep, cycle, activity, and symptoms may be impacting you

Note: Flo Health Premium is HSA/FSA eligible.

Medical disclaimer: Flo Health does not provide medical advice, diagnosis, or treatment, and is not a method of birth control or conception aid. Predictions and features are for informational and educational purposes only. Always consult a qualified healthcare professional.

Flo Health period tracker is compatible with Apple Watch.

Download the Flo Health app today and join millions using a trusted period tracker, pregnancy app, and cycle tracker.

*As of July 2026
**Not available in the UK, EU, Iceland, Liechtenstein, Norway, or Switzerland.

Privacy Policy: https://flo.health/privacy-policy
Terms of Use: https://flo.health/terms-of-service