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, monitor irregular periods, and plan ahead with confidence. The app supports trying to conceive with fertile window predictions, basal body temperature tracking, and daily fertility insights, plus pregnancy tracking with week-by-week guidance and symptom management. Flo prioritizes privacy with Anonymous Mode, dual ISO 27001 certification, and Secret Chats to connect with other users. Premium features include personalized daily insights, expert video courses on fertility and pregnancy, 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 with basal body temperature tracking
- Week-by-week pregnancy tracking with visuals and expert-reviewed content
- Anonymous Mode and dual ISO 27001 certification for data security
- Perimenopause Score to track symptom changes month by month
- Premium Symptom Checker for PCOS, endometriosis, and fibroids education
Best for
Women tracking regular or irregular periods, those trying to conceive seeking fertility insights and ovulation predictions, pregnant users following week-by-week development, and those navigating perimenopause symptoms. Teens experiencing their first period can use age-appropriate education in a safe, private environment.
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 developed with 100+ doctors and medical experts. It helps users track menstrual cycles, predict ovulation, support trying to conceive, monitor pregnancy week-by-week, and manage perimenopause symptoms through symptom logging and personalized insights.
- Can I use Flo without sharing my personal information?
- Yes. Flo offers Anonymous Mode, which lets you track your period without linking your name, email, or other personal identifiers. Your health data is protected by dual ISO 27001 certification and privacy-first design.
- Does Flo help with trying to conceive?
- Yes. Flo provides fertile window and ovulation predictions based on your logged period data, basal body temperature tracking, daily insights to prepare for conception, and partner tools to share awareness. Premium includes ovulation insights and expert video courses on fertility.
- What pregnancy features does Flo offer?
- Flo tracks pregnancy week-by-week with visuals and diagrams explaining changes, symptom tracking and reminders, organization tools, expert-reviewed content, and community stories. Premium users unlock in-depth pregnancy features for every milestone and baby stage.
- 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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