Flo Ovulation & Period Tracker for Android

Flo Ovulation & Period Tracker is a health and fitness app by Flo Health Inc. that helps users log menstrual cycles, predict ovulation, and follow different stages of reproductive health. Many people lose track of when their period is due, how their mood and energy shift across the month, or how to describe those changes to a doctor. Flo addresses this by turning daily entries into a personal record: you log what you notice, and the app organizes it into cycle predictions, fertile window estimates, and readable summaries. The same account can follow a pregnancy week by week, or shift focus to perimenopause when that stage arrives. The app is free to download and carries no advertising, while optional paid features exist. It is educational in nature and does not provide medical advice, diagnosis, or treatment, and it is not a method of birth control or a conception aid.

Key features

• Logging support for more than 70 symptoms and moods, which feeds more personalized cycle insights
• Period tracking that accommodates irregular cycles, pre-period symptoms, and cycle changes over time
• Ovulation and fertile window predictions built from the period data you record
• Basal body temperature (BBT) tracking to complement other fertility observations
• Pregnancy tracking with weekly updates, visuals and diagrams, plus expert-reviewed content and community stories
• Perimenopause tools including a Perimenopause Score, a Menopause Timeline, and logging of sleep, energy, mood, and well-being
• Anonymous Mode, which lets you use the tracker without linking a name, email, or other personal identifiers
• Wear OS 3 support through tiles and complications that surface cycle insights on a watch

How to install

1. Tap the download button on this page to get the app file.
2. If Android asks for permission, allow your browser or file manager to install apps; this is the 'Install unknown apps' setting and it can be turned off again afterward.
3. Open the downloaded APK file from your notifications or your file manager.
4. Tap Install and wait for the process to finish. The file size is not specified in the available data.
5. Open the app once installation completes. It requires Android 10 or later.

Fresh Updates

This update is a technical release focused on improving overall app performance and stability. The changes help refine the background experience so the app runs more smoothly. No new features are introduced in this version.

This app suits beginners who want a single, structured place to record their cycle rather than relying on memory or a paper calendar. It can be useful if your periods are regular or irregular, if you are trying to conceive and want to note fertile signs such as basal body temperature, if you are already pregnant and want week-by-week context, or if you are approaching perimenopause and want to follow symptom changes month by month. Because the interface is built around daily logging, it rewards people who are willing to check in regularly. Anyone looking for a diagnosis or a contraceptive method should look elsewhere, since the app is explicitly informational and educational.

Set a daily reminder so logging becomes a habit, because the quality of the predictions depends on how consistently you enter data. Start with the basics, such as period dates and mood, before adding detailed symptoms. If privacy matters to you, explore Anonymous Mode early so your entries are not tied to identifying details. Use the summaries when preparing for a medical appointment, and treat every prediction as a prompt for a conversation with a qualified professional rather than a conclusion.

Flo Ovulation & Period Tracker combines cycle logging, fertility observations, pregnancy updates, and perimenopause tracking in one free app with no ads and optional paid extras. It is a sensible starting point for beginners who want organized, understandable records of their reproductive health, provided they remember that it supports education rather than replacing medical care.