About
Flo is a science-backed period tracker and fertility app used by over 460 million women worldwide. Track your menstrual cycle by logging 70+ symptoms and moods to receive personalized insights, whether you have a regular or irregular period. The app supports trying to conceive with fertile window predictions, basal body temperature tracking, and partner tools; pregnancy tracking with week-by-week guidance; and perimenopause management. Flo holds dual ISO 27001 certification and offers Anonymous Mode so you can track without linking personal identifiers. Premium features include daily personalized insights, expert-led video courses, a symptom checker for conditions like PCOS and endometriosis, and a 24/7 virtual Health Assistant.
Highlights
- Log 70+ symptoms and moods for personalized menstrual cycle insights
- Fertile window and ovulation predictions based on period data and basal body temperature tracking
- Week-by-week pregnancy tracking with visuals and expert-reviewed content
- Dual ISO 27001 certification with Anonymous Mode for privacy-first tracking
- Perimenopause Score to track symptom changes month by month
- Partner tools to share cycle predictions and pregnancy progress with control over what you share
Best for
Women tracking regular or irregular periods, those trying to conceive, pregnant women seeking week-by-week guidance, teens navigating their first period, and people managing perimenopause symptoms.
At a glance
Flo Cycle & Period Tracker is rated 4.8 out of 5 from 1,666,931 ratings and is available on iOS and Android — all free to download.
It is developed by FLO HEALTH UK LIMITED.
Screenshots
Frequently Asked Questions
- Is Flo Cycle & Period Tracker free?
- Yes — Flo Cycle & Period Tracker is free to download on iOS and Android.
- What platforms is Flo Cycle & Period Tracker available on?
- Flo Cycle & Period Tracker is available on iOS and Android.
- What is Flo Cycle & Period Tracker?
- Flo is a science-backed period tracker and fertility app created with 100+ doctors and medical experts. It helps you track your menstrual cycle, predict ovulation and fertile windows, support pregnancy planning, and manage perimenopause symptoms through symptom logging and personalized insights.
- How many symptoms can I track with Flo?
- You can log 70+ symptoms and moods to receive more personalized menstrual cycle insights and notice patterns over time.
- Does Flo help with trying to conceive?
- Yes. Flo offers fertile window and ovulation predictions based on your logged period data, basal body temperature tracking, daily insights to help you prepare to conceive, and partner tools to support shared awareness.
- Is my data safe with Flo?
- Flo holds dual ISO 27001 certification for industry-leading security standards. You can use Anonymous Mode to track without linking your name, email, or personal identifiers, and you maintain full control over what data you share.
- What are the alternatives to Flo Cycle & Period Tracker?
- Flo Cycle & Period Tracker is similar to Strava: Run, Bike, Walk, AstroLive - Talk to Astrologer, GO Club: Steps + Water, and LookAway. Browse related apps by tag: health.
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