Flo

Flo
Designed in the UK 🇬🇧
$11.49/mo Freemium Visit Website

Flo is a women’s health app designed to help track menstrual cycles, fertility, and overall well-being. By combining AI with symptom logging, it offers personalized period and ovulation predictions, making it much more than a simple calendar app.

Price
Premium $11.49/mo | Premium $59.99/yr
Platforms Supported
Mobile App (Android, iOS)

Our Verdict

8.5Expert Score
Editorial Score

We ensure that our evaluations are fair and truthful.

Usability
9
Accuracy
8.5
Compatibility
9.2
Functionality
9
Free Features
7
Pros
  • Accurate cycle tracking that improves over time with AI-powered predictions.
  • Tracks 70+ symptoms, giving a more complete health picture.
  • Personalized insights based on your unique data.
  • Pregnancy mode with week-by-week tips for expectant mothers.
  • Health Assistant chatbot provides science-backed answers to common questions.
  • Educational resources (articles, videos, expert advice).
  • User-friendly design with an easy-to-read calendar and reminders.
  • Strong privacy features, including optional anonymous mode.
Cons
  • Premium features locked behind a subscription, which may feel pricey for some.
  • Some insights can feel generic without consistent symptom logging.
  • Limited integration with wearables/fitness trackers compared to other health apps.
  • Community features are minimal, so it’s less social than some competitors.
  • Occasional ads or upgrade prompts in the free version.

What is Flo

Flo is a women’s health app designed to help track menstrual cycles, fertility, and overall well-being. By combining AI with symptom logging, it offers personalized period and ovulation predictions, making it much more than a simple calendar app. Users can log over 70 different symptoms, from cramps and mood swings to headaches and discharge, and Flo uses this data to provide tailored health insights.

It also supports women through different life stages—whether you’re monitoring your cycle, trying to conceive, or pregnant—with features like Pregnancy Mode, a fertility calendar, and even a built-in health assistant chatbot. The app includes expert-reviewed content on reproductive health and wellness, making it both a tracker and an educational resource. Importantly, Flo puts a strong emphasis on privacy, even offering an anonymous mode for users who want extra control over their data.

Is Flo worth registering and paying for

Flo is free to use at its core, but its premium subscription unlocks deeper insights, advanced cycle predictions, and access to exclusive expert content. The free version is already useful for basic period and ovulation tracking, but if you want personalized health reports, fertility insights, and extra guidance, the upgrade feels worthwhile—especially if you’re actively trying to conceive or want more in-depth support for your reproductive health.

Where Flo shines is in its accuracy and usability. The AI-powered predictions tend to get more precise the longer you use the app, and the health assistant adds an extra layer of support that feels more personal than just charts and numbers. For many women, this added peace of mind and clarity can justify the subscription cost.

That said, if you’re just looking for a simple calendar-style tracker, the free version is likely enough. But if you want a comprehensive, science-backed health companion that adapts to your body over time, Flo Premium is worth paying for.

Our experience

Flo, a women’s health app, combines AI with symptom logging to deliver tailored menstrual cycle, fertility, and wellness tracking, supporting users through various life stages with features like Pregnancy Mode, a fertility calendar, a health assistant chatbot, and robust privacy options.

Flo’s AI-powered symptom logging was a standout. We logged over 70 symptoms, like cramps, mood swings, and headaches, prompting, “Analyze my cycle for irregularities,” and received detailed insights, such as potential PMS patterns. The AI’s predictions for periods and ovulation, based on our logged data, were impressively accurate, which we reviewed in our shared Google Docs workspace to curate health tips for our platform. Collaboratively, we refined symptom categories to prioritize common concerns like fatigue, ensuring relevance for our community’s diverse needs.

The app’s versatility across life stages was invaluable. We tested Pregnancy Mode, logging milestones like “Week 8 checkup,” and the fertility calendar helped us design a conception-focused feature, with group brainstorming in iCloud Notes to adapt Flo’s insights for our users trying to conceive. The health assistant chatbot, prompted with questions like, “What causes irregular cycles?” provided expert-backed answers, which we polished together to integrate into our platform’s FAQ section. Flo’s library of expert-reviewed content, covering topics from reproductive health to wellness, fueled our educational resources, with group members assigning articles to specific user personas, like teens or expectant mothers.

Privacy features, especially Anonymous Mode, gave us confidence. Prompting, “Enable Anonymous Mode,” ensured no personal identifiers were linked to our test data, aligning with our project’s emphasis on user trust. We confirmed end-to-end encryption and data deletion options (per flo.health) worked as promised, discussing compliance in our workspace to mirror these standards in our app.

Integration with Apple Health synced metrics like sleep or activity, enhancing our wellness tracking, which we reviewed for accuracy to support our platform’s holistic approach. The app’s intuitive interface and community “Secret Chats” feature let us share health tips anonymously, inspiring a similar forum for our project. While premium features like advanced analytics ($49.99/year, per flo.health) added depth, the free version’s core tracking met our needs. Setup was straightforward, with Flo’s guides helping us divide tasks for quick onboarding across iOS and Android.

Our shared experience with Flo was empowering, collaborative, and privacy-focused, with AI-driven insights making it ideal for groups building women’s health solutions. If you want a smart, secure app for cycle tracking and wellness, Flo is definitely worth checking out.

Get the app

Flo
Flo
$11.49/mo Freemium
Top 10 Lists of the Best AI Apps and Websites
Logo
Shopping cart