What Flo Perioden- & Zyklus-Tracker actually does (from App Store listing)
Flo is a science-backed period tracker, ovulation tracker, fertility, and pregnancy app used by over 460 million* women worldwide.
Whether you’re tracking your period (regular or irregular), trying to conceive, following changes to your baby and your body during pregnancy, or navigating perimenopause symptoms, Flo is here to support you. Join 460 million users* who use Flo’s science-backed insights, created with 100+ doctors and medical experts, to better understand their menstrual cycle.
Is m…
Flo is a science-backed period tracker, ovulation tracker, fertility, and pregnancy app used by over 460 million* women worldwide.
Whether you’re tracking your period (regular or irregular), trying to conceive, following changes to your baby and your body during pregnancy, or navigating perimenopause symptoms, Flo is here to support you. Join 460 million users* who use Flo’s science-backed insights, created with 100+ doctors and medical experts, to better understand their menstrual cycle.
Is my data safe with Flo? Your health data deserves the highest level of protection.
Flo was recognized as ISO 27001/ISMS Team of the Year at the 2025 PICCASO Privacy and Security Awards, honoring our excellence in information security management and long-standing commitment to privacy-first design.
- Anonymous Mode: Use the Flo period tracker without linking your name, email, or personal identifiers - Dual ISO certification: Industry-leading security standards to keep your data safe - Flo for Partners: Share updates like menstrual cycle predictions or pregnancy progress, and always stay in control of what you share with your partner - Secret Chats: Connect with like-minded members who share tips and personal experiences
Why choose Flo for period and ovulation tracking? Flo is more than a basic calendar — it’s a smart period tracker designed to help you notice patterns over time.
- Log 70+ symptoms and moods to receive more personalized menstrual cycle insights - Support for irregular periods, pre-period symptoms, and cycle changes - Clear summaries you can share with your doctor - An accurate period tracker to help you plan ahead with confidence (Flo is not a method of birth control)
Can Flo support my Trying To Conceive (TTC) journey? Flo offers educational features to support your journey to conceive and better understand fertility.
- Fertile window and ovulation predictions based on your logged period data - BBT (basal body temperature) tracking - Daily insights to help you prepare to conceive a baby - Partner tools to support shared awareness
How does Flo support my pregnancy by week? Once you conceive, switch to Flo for Pregnancy for useful checklists and structured, week-by-week guidance.
- Pregnancy tracking with weekly updates as your baby develops - Visuals and diagrams to help explain pregnancy changes - Symptom tracking, reminders, and organization tools - Expert-reviewed content and community stories for peace of mind
Is Flo suitable for teens and first periods? Flo provides a safe space for teens to track their first period with age-appropriate education, helping them navigate puberty confidently.
Can Flo help me manage perimenopause symptoms? Track changes during perimenopause with tools designed for this life stage.
- Perimenopause Score to follow symptom changes month by month - Track cycle-related changes in sleep, energy, mood, and well-being - Clear, personalized insights
What do I get with Flo Premium? Unlock deeper, personalized insights and advanced tracking tools with Flo Premium.
- Daily, personalized insights - Expert-led video courses on fertility, pregnancy, and birth - In-depth pregnancy features for every milestone and baby stage - Symptom Checker** that provides educational information on PCOS, endometriosis, and fibroids symptoms - Ovulation insights to support your TTC journey - 24/7 virtual Health Assistant for educational support
Medical disclaimer Flo does not provide medical advice, diagnosis, or treatment, and is not a method of birth control. Predictions are for informational purposes only. Always consult a qualified healthcare professional.
Download Flo today and join millions using a trusted period tracker, pregnancy app, and fertility companion.
*Total number of users who downloaded Flo, March 2026 **Symptom checker not available in the UK or EU
Privacy Policy: https://flo.health/privacy-policy Terms of Use: https://flo.health/terms-of-service
🆕 What's new · v9.105.0
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
Comparable iOS apps
The five apps in Health & Fitness with the closest revenue to Flo Perioden- & Zyklus-Tracker. Click any to see its detail page.
Each forecast combines App Store rating, ratings count, monetisation model, pricing tier, IAP signals and ad-supported flag.
The base estimate is then multiplied by a per-category scaling factor learned from apps with founder-verified MRR.
Every number on this page comes from public APIs and bumetric's own snapshot history.
Full methodology covers input variables, accuracy bands per category and how we treat apps without comparable anchors.
See also the live data on Flo Perioden- & Zyklus-Tracker's tracker page for current rating, reviews and snapshot timeline.
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