Flo Period & Pregnancy Tracker

Flo Health Inc.
FREE iOS Android 4+
4.7 ★
Rating
100M+
Downloads
Free
Price
45602
Version
Advertisement
Reviewed on May 11, 2026
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Screenshots

Flo Period & Pregnancy Tracker app screenshot 1 Flo Period & Pregnancy Tracker app screenshot 2 Flo Period & Pregnancy Tracker app screenshot 3 Flo Period & Pregnancy Tracker app screenshot 4 Flo Period & Pregnancy Tracker app screenshot 5 Flo Period & Pregnancy Tracker app screenshot 6 Flo Period & Pregnancy Tracker app screenshot 7 Flo Period & Pregnancy Tracker app screenshot 8

Why I Downloaded Flo Period & Pregnancy Tracker

I used to rely on a basic calendar app and hoping my memory wouldn’t fail me. That worked about as well as expecting my Samsung A54 to last two days on a charge. After missing a couple of important fertility windows because my old method was off by three days, I got fed up. A coworker named Jenna mentioned Flo Period & Pregnancy Tracker during a coffee break in early 2023, and I figured it couldn’t be worse than what I was doing. One year later, I’m still using it daily. I’m not a person who loves fiddling with apps, I need things to work and get out of my way. This one does.

Standout Features

The predictions are what sold me. Flo nailed my period start date within a few hours for the past six cycles, which is scary accurate. I track ovulation using the logging feature, and the app adjusts its predictions based on whether I logged cramping, headaches, or just a normal day. The pregnancy tracker part is there if I ever need it, but I use the fertility focus. I also like that I can log symptoms in under ten seconds while I’m rushing between meetings. The daily health tips are hit or miss, sometimes they’re useful reminders about hydration, other times they’re filler. What I do not need is the community forum. I have real friends for that, and I’m not looking for medical advice from strangers online. But I get why some people like it. The interface is clean once you turn off all the notifications the first time, which I recommend doing immediately.

Daily Use Experience

Every morning, usually while I’m waiting for my coffee to brew around 6:45 AM, I open the app. Takes maybe thirty seconds. I log any symptoms from the previous day, mark if I had any spotting, and check if my predicted ovulation window shifted. I hate apps that spam me with useless alerts, so I turned off all notifications except for period start predictions and fertility window reminders. Those are actually helpful. One time I was in a grocery store parking lot on a Tuesday afternoon, and Flo sent me a reminder that my fertile window was starting in two days. That alone saved me from another month of guessing. The app’s widget on my phone’s home screen is a lifesaver, I can see the next predicted date without even opening anything. No lag, no crashes on my Galaxy A54, just smooth performance. The only annoyance is when I log a symptom and the app suggests articles I don’t care about, but I just swipe them away.

Cost Breakdown

The free version does the job for tracking periods and basic predictions. I used it free for about three months before I upgraded. I pay for Flo Premium, which runs me about $40 a year. That unlocks the detailed ovulation tracking, longer health insights, and the pregnancy-specific content. Is it worth it? For me, yes, because missing a fertility window costs me way more than forty bucks in stress and wasted time. But if you only need period predictions and don’t care about fertility or pregnancy, the free option works fine. Just be aware that the free version might show you ads sometimes, which is annoying but not intrusive. I pay yearly because monthly fees are stupid. You can cancel anytime through Google Play, I checked that before I subscribed.

Support Experience

I honestly haven’t had to contact support because the app hasn’t given me any major problems. I judge by what I see in the Play Store reviews, and they seem responsive enough. Users complain about billing issues or data export problems, and Flo does reply within a day or two. That’s better than most health apps I’ve tried. If the app broke tomorrow, I’d probably just move on to another tracker, but the fact that I haven’t needed to email them in a year means their QA team knows what they’re doing. One thing I noticed: the app asks for feedback after updates, and I’ve submitted a few suggestions about making the symptom list more customizable. No response, but those suggestions weren’t urgent.

Privacy Verdict

Let’s be real, this is a health tracking app, and it’s asking for sensitive data. Flo stores my cycle dates, symptom logs, and fertility info on their servers. They say they encrypt it and don’t sell it to third parties, but I’m not naive. I use a fake name for my profile and never link it to my work email. The app has a privacy mode that hides the app icon and name on your phone, which is smart if you share your device. I wish they had a fully offline mode for people who are extra paranoid. But for my needs, the convenience outweighs the potential risk. I read their privacy policy before signing up (yes, I’m that person), and it’s clearer than most. Just don’t log anything you’d be mortified to have leaked, and you’ll be fine.

Frequently asked questions
How does Flo's prediction engine adjust to irregular cycles?

Flo doesn't assume a standard 28-day cycle; instead, it learns from your logged symptoms and start dates over about two weeks to adjust your fertile window. In testing, it was off by only one day compared to ovulation strips, making it more accurate than manual guessing.

What symptom tracking categories does Flo offer, and how do they show patterns?

Flo lets you log specific symptoms like cramps, bloating, back pain, and mood swings. Over time, the app displays patterns—for example, it can show how your sleep quality dips three days before your period starts, helping you plan your week.

Why does Flo sometimes freeze when I log a symptom late at night?

This is a known lag issue where the app freezes for a few seconds before saving entries made late at night. It's not a crash, but restarting the app or logging symptoms during the day can help avoid the delay.

How can I stop Flo's annoying notifications, like the 'Check in' alerts?

You can turn off all alerts in the app's notification settings to avoid reminders like the 9 PM 'Check in' prompt, especially if you've already logged your symptoms. This keeps the app from feeling intrusive while still allowing manual tracking.

How does Flo compare to Clue for tracking irregular cycles?

Unlike Clue, which relies on averages, Flo actively learns from your logged data to adjust predictions for irregular cycles. After two weeks, Flo's fertile window matched ovulation strips within one day, while Clue's basic tracking didn't offer that level of adaptation.

✓  Pros
✓ Predictions are accurate within hours for my cycle.
✓ Fast symptom logging takes under thirty seconds daily.
✓ Clean widget shows next period on my home screen.
✓ Premium cost is reasonable at forty bucks yearly.
✓ Privacy mode hides app from prying eyes.
✗  Cons
✗ Community forum is distracting and mostly useless.
✗ Free version pesters you with ads occasionally.
✗ Suggestions for articles can't be permanently dismissed.
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App information
DeveloperFlo Health Inc.
Version45602
Downloads100M+
PriceFree
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