Flo Ovulation & Period Tracker for Android

Flo Ovulation & Period Tracker is a health and fitness app by Flo Health Inc. that helps users track menstrual cycles, ovulation, pregnancy, and perimenopause. It combines period predictions with symptom logging, educational content, and community support to give a fuller picture of reproductive health over time. The app is designed to be useful whether you have regular or irregular cycles, and it has been downloaded over 570 million times worldwide as of July 2026. This version is a technical update focused on improving performance and app stability, so existing users will notice smoother operation, while new users get access to all the core tracking features that have made Flo a popular choice. Beyond simple calendar tracking, Flo offers over 70 trackable symptoms and moods, which helps personalize insights and pattern recognition. It also includes dedicated modes for trying to conceive, pregnancy, and perimenopause, each with tools like fertile window predictions, week-by-week pregnancy guidance, and a Perimenopause Score. The app emphasizes privacy with features like Anonymous Mode and Secret Chats, and it holds dual ISO 27001 and ISO 27701 certifications, recognized as a gold standard in data protection. Flo is free to download with core features, while a Premium subscription unlocks additional insights, expert videos, and advanced tools. It is important to note that Flo does not provide medical advice and is not a method of birth control or conception aid.

Key features

• Track menstrual cycles, ovulation, and fertile windows with predictions based on logged data.
• Log over 70 symptoms and moods to receive more personalized cycle insights.
• Pregnancy mode with week-by-week updates, visuals, and expert-reviewed content.
• Perimenopause tools including a Perimenopause Score and Menopause Timeline.
• Anonymous Mode and Secret Chats for privacy-focused community support.
• Wear OS complications and tiles for quick cycle insights on your watch (compatible with Wear OS 3).
• Clear summaries of your cycle data that you can share with your doctor.
• Educational content on conditions like PCOS, endometriosis, and uterine fibroids (Symptom Checker not available in UK or EU).

How to install

1. Tap the download button on this page to get the APK file. The file size will be shown on your screen before downloading.
2. When your browser or file manager asks for permission to install apps, allow it by enabling the 'Install unknown apps' setting for that app.
3. Open the downloaded APK file from your notifications or Downloads folder.
4. Tap 'Install' when prompted, and wait for the installation to finish.
5. Open the Flo app from your app drawer and set up your profile to start tracking. The app requires Android 10 or higher.

What's New

This update focuses on technical refinements to improve overall app performance and stability. We've made behind-the-scenes enhancements to ensure a smoother and more reliable experience as you track your cycle, explore pregnancy features, and navigate perimenopause support. Thank you for being part of the Flo community!

This app is ideal for people who want to track their menstrual cycle for personal awareness, those actively trying to conceive and needing fertility insights, individuals seeking pregnancy week-by-week guidance, and women approaching or experiencing perimenopause who want to log symptoms and understand changes.

For more accurate ovulation predictions, log your basal body temperature (BBT) daily in the app, especially if you have irregular cycles.

Flo Ovulation & Period Tracker is a robust, feature-rich app that covers the full spectrum of reproductive health, from cycle tracking to pregnancy and perimenopause. Its strong privacy credentials and wide range of tools make it a solid choice for many users. However, the most advanced features require a Premium subscription, and it is not a substitute for professional medical advice. Overall, it's a reliable companion for understanding your body better.