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 recognised as the gold standard in data protection and security. In 2025, Flo Health was recognised 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 personalised menstrual cycle insights
- Support for irregular periods, pre-period symptoms, and cycle changes
- Custom reminders so you never forget to log a period or birth control
- Edit your cycle and symptom logs anytime to keep your cycle history accurate
- 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 recognise 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
- 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
Privacy Policy: https://flo.health/privacy-policy
Terms of Use: https://flo.health/terms-of-service
Prediction doesn’t work for some time.It is visible on year level but in month tab just previous periods can be seen. Also, signing in via email doesn’t work.Few month ago this app was in the top recommended apps in my case.It is not any more and I am very sorry about it.
Developer Response
Hi BlablaYela,Thank you for your feedback! We’re sorry to hear you had this experience. Could you please contact us directly from the app (Menu - Contact Support) or via email (support@flo.health) so we can investigate? This will help us make your experience better and improve it for millions of people.Kind Regards,Flo Support Team
No longer free - Requires monthly subscription on setup
asdffghjklzx
I’ve been using it for years (probably since somewhere around 2017) for a very simple task - log period and forget about it until next one. Now, after switching up to a new phone, setting up the app takes forever with infinite questions I don’t care about and stupid AI analysis I don’t want, only to be met with “choose your monthly plan” (none of which are free) at the end of that hell. There isn’t an option to opt out and skip to free version (“free trial” doesn’t count as it assumes you’ll start paying later), so if you thought that wasting all that time will lead you to finally using your previously free app, it won’t. I won’t pay several dollars every month for something so simple and sparsely used, so I guess I’ll just go back to using tables and counting myself, lol. Thanks for the “upgrade.”
Developer Response
Hi there! We're sorry to hear this. Flo offers free options as well. These features include a top-notch tracker, reminders, and a robust and anonymous community discussion board. If you have any questions, we're always happy to help. Best regards, Flo Team
Great and relaxing app
Elena Popovic
flo is now like my safe place!! i can talk anything and nobody wouldn't judge me , in fact they would hype me up and be positive about it. I get kinda sad that i can't follow them or instagram or anywhere but i feel like that's okay since we all talk in secret chat😊❤️
Developer Response
Hi Elena! Thank you so much for your positive feedback! It means a lot to our team. We’re constantly working on improving Flo, so feel free to contact us anytime you need assistance.Kind regards,Flo Team
Amazing app for tracking periods
Anciic
I’ve been using it for a long time now and i really love it if u get premium your boyfriend can track it with u and u can show him ur simptoms without having to tell him, also always predicts my period right to the day
Developer Response
Hello Anciic, we truly appreciate your fantastic feedback! It's wonderful to hear that you've been enjoying the tracking features and that it enhances communication with your boyfriend. Thank you for sharing your experience! Yours, Flo
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
Version 10.9.1
Subscriptions
Flo: Cycle Tracker
Connect your life & your period with Premium
Free Trial
Flo Pregnancy Tracker
Flo Pregnancy Tracker
Free Trial
Flo Birth Control Reminder
Set reminders for your birth control method
Free Trial
Flo Women's Health & Wellbeing
Trusted Information backed by health experts
3,99 €
Ovulation Tracker
Understand your fertile days
12,61 €
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 based, for example, on the features you use or your age. Learn More
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
