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Flo Period & Ovulation tracker. My Cycle Calendar

Flo Period & Ovulation tracker. My Cycle Calendar

Flo Health, Inc.

Fertility tracker for those who want to get pregnant. Menstrual & PMS calendar

4.7 Ratings 3M+ Reviews 50M+ Downloads

Ratings & Reviews

4.7
2.6M+ Ratings
  1. 5
    84+%
  2. 4
    11+%
  3. 3
    3+%
  4. 2
    1+%
  5. 1
    2+%
Write a Review
  • Mar 31, 2021

    By Marta
    This app is good and very detailed, but it's becoming more and more annoying. I want an app that doesn't bother me every day with notifications and just sends one before my period. I went through the settings and turned off some notifications, but soon afterwards they switch back on! I have attempted to turn them off three times by now. Is this a glitch?
    more
  • love it! Jul 24, 2018

    By Ricecake2003
    this app is super useful for tracking periods, and has given me mostly accurate predictions so far! it’s been off by a day or two a couple times when i first started using it because it wasn’t adjusted to my cycle yet, but since then i haven’t had any issues. i love the insights where it gives info about my period and the different changes that come along with a period, and i especially love that you can comment anonymously on posts and get help from and give help to the community. by far, my favorite thing about the Flo app is that you can have it give you reminders to drink water, take meds, and weigh yourself if that is something that you’re concerned about! the reminders are super helpful for me as my meds are for adhd, so i need a reminder so i actually remember to take them lol! the only thing that i would adjust is that my water bottle has metric markings, but i live in america, so i have to convert the metric to ounces to track my water because the only way to use metric for water is to switch the entire app over to metric. this isn’t a huge deal because google is a pretty good converter but it’s just something that i’ve noticed. overall, this is a great app and i’ve recommended it to friends and family, and now i’m recommending it to you!
    more
  • It’s nice but... Feb 23, 2019

    By Naughty nixon
    So I used this app for my period And it was great up until my period change and I came on a week early which was perfect for my weekend away because we were planning to get pregnant and my ovulation date was set for a specific day. Well I was on my period a day or two longer so I figured it would probably change my ovulation date. Well my trip was set to be at least about 2 to 3 weeks away and I kept checking the app to make sure and to see if my ovulation date was going to change well it didn’t change it stay the same and make sure that I refresh my app just in case and it stayed the same. Now the day I get to my destinations for my trip is my ovulation day that was on the app that’s what we were depending on. Three days later I go on the app to mark the fact that we made love and the ovulation date changed to the day before I arrived on my trip. Immediately I was upset because it seems as though we may have missed the ovulation day due to the fact that the app didn’t update until after my ovulation date that was set originally. So I deleted the app because of that. It’s very upsetting when you’re trying to get pregnant and your ovulation date just seems to change along with your fertile days changes I just think that that is something that they need to look into I no longer want to use this app.
    more
  • Definitely the best period app. Mar 19, 2020

    By Fairysparkles6
    After I got my first period I used the same app for years to track it. It never predicted my period right. For the longest time I just figured I was super irregular as many girls are when they start there period, but eventually I realized It said I was consistently late by approximately the same number of days every cycle. I just dealt with it for awhile. When I finally decided to check for a better period tracking app I found Flo. This app is SO MUCH BETTER!! It usually predicts my period pretty accurately, sometimes spot on. When my cycle shifts it always makes adjustments and often becomes more accurate. I also love that it doesn’t mark your period late until A certain number of days after your cycle was supposed to start (I think 5, which is the “official” number of days that make a period considered late. It doesn’t just mark it late when your period doesn’t start the day it was predicted to. I was especially impressed when I missed a period after my wisdom tooth surgery and when I logged my next period the predictions continued to be accurate immediately after. It seems like the developers did a great job on the actual software as well as put lots of thought, research, and expertise into it. It’s a great app!!
    more
  • Apr 3, 2021

    By mala flamma
    When I first started using Flo, I would have given it a 5 star rating. Its been so helpful to have on my health journey. However recently they have been advertising there paid membership everywhere and its gotten annoying after awhile. I don't mind seeing the ads every now and then but almosy everytime I open the app and try to look at something the screen will pop up for the membership. If it didnt pop up so often I would still give a 5 star review.
    more
  • Apr 9, 2021

    By Jennifer Killinger
    I've used this app for many many years, and now it's as bloated as I am on a bad month. They've changed everything, added a bunch of apparently expensive features I absolutely DON'T want or need. I'd consider paying for the app as it previously existed, but it's trying to be its own social media. No, I do not need 'personalized' automatic responses about my freaking period. I just wanted to track dates and maybe symptoms. Good if wishing to become pregnant...? Maybe. I'm looking for a new app.
    more
  • Apr 11, 2021

    By Rachel Kanakis
    This app is great and I love the tracking and other info it provides. The biggest issue is that lately I'm getting a TON of push notifications about premium features and secret chats. I'm not interested at all in either feature and I have my settings set as conservative as I can to still get a notification when my period will start soon. I'm really disappointed by this and if it continues I'm going to uninstall. A good app is being ruined by over marketing.
    more
  • Extra features only available with premium Oct 2, 2020

    By kathynicole
    I originally downloaded this app to track my period and my symptoms. I do still like it for that, but I also really loved when more features were added such as giving helpful bits of info about the whole cycle. This info wasn’t always that helpful for me because most of it I knew already, but I do think it’s helpful for younger people. I didn’t learn much about the menstruation cycle in school, and I just can’t imagine much has changed. It was also helpful that they gave you tips seemingly based on the symptoms you plugged in. However today I went to log my symptoms and noticed they added in stories on why we get cramps, etc., but they are all only available to premium users. And when I went to the screen that used to have helpful articles, mostly all of the information is locked for premium users. This is all information that should be provided for free. Now kids are still going to have to wade through inaccurate information on the internet because apps like this are charging for the most basic information. I understand that you need money to survive, but information menstruation shouldn’t only be available to people with money. Also you would think they could get a moderator for the chat rooms or a professional to help answer questions, but no. So the chat rooms and answers are inaccurate and overrun with teens who don’t know anything because apparently female anatomy is only available to people with money. It’s such a shame.
    more
  • Apr 11, 2021

    By Katia Hancock
    I used to really enjoy this app, but I've had to turn notifications off entirely because it kept trying to give me weird health tips and advertise its own premium features at me. Every time I open the app, it wants me to buy a subscription, and even though I've inputted every period I've had for years at this point, it keeps telling me to "input the first day of your last period" whenever I try to look at the data on my cycle. At this point I've no choice but to find something else. :(
    more
  • Apr 1, 2021

    By LiarSpeaks TheTruth
    Upon installing Flo, you'll be relentlessly and mercilessly prompted to upgrade to premium, and notifications keep on coming after you turn them off. The app itself is fine, but even with all notifications off, it still harassess me more often than any other app. Frankly, the annoyance isn't worth it when there are less intrusive alternatives. Uninstalling so I can get some peace and quiet.
    more
  1. Keep track of your entire cycle from beginning to end! Log all your symptoms so you know what you can expect the next time around
  2. Keep track of your physical activity to see how it might affect your cycle now and in the future
  3. View your most fertile days of the month so you know how best to plan for pregnancy

Reviewed by Katelyn on July 16, 2018

  • love it! Jul 24, 2018

    By Ricecake2003
    this app is super useful for tracking periods, and has given me mostly accurate predictions so far! it’s been off by a day or two a couple times when i first started using it because it wasn’t adjusted to my cycle yet, but since then i haven’t had any issues. i love the insights where it gives info about my period and the different changes that come along with a period, and i especially love that you can comment anonymously on posts and get help from and give help to the community. by far, my favorite thing about the Flo app is that you can have it give you reminders to drink water, take meds, and weigh yourself if that is something that you’re concerned about! the reminders are super helpful for me as my meds are for adhd, so i need a reminder so i actually remember to take them lol! the only thing that i would adjust is that my water bottle has metric markings, but i live in america, so i have to convert the metric to ounces to track my water because the only way to use metric for water is to switch the entire app over to metric. this isn’t a huge deal because google is a pretty good converter but it’s just something that i’ve noticed. overall, this is a great app and i’ve recommended it to friends and family, and now i’m recommending it to you!
    more
  • Definitely the best period app. Mar 19, 2020

    By Fairysparkles6
    After I got my first period I used the same app for years to track it. It never predicted my period right. For the longest time I just figured I was super irregular as many girls are when they start there period, but eventually I realized It said I was consistently late by approximately the same number of days every cycle. I just dealt with it for awhile. When I finally decided to check for a better period tracking app I found Flo. This app is SO MUCH BETTER!! It usually predicts my period pretty accurately, sometimes spot on. When my cycle shifts it always makes adjustments and often becomes more accurate. I also love that it doesn’t mark your period late until A certain number of days after your cycle was supposed to start (I think 5, which is the “official” number of days that make a period considered late. It doesn’t just mark it late when your period doesn’t start the day it was predicted to. I was especially impressed when I missed a period after my wisdom tooth surgery and when I logged my next period the predictions continued to be accurate immediately after. It seems like the developers did a great job on the actual software as well as put lots of thought, research, and expertise into it. It’s a great app!!
    more
  • Currently On a Free Trial Sep 18, 2020

    By Milia G
    I’ve had Flo in the past and loved it. I didn’t have a phone for a year so I just recently got the app again and noticed a lot of changes, including that some features are only available through a payment. The payment is only around 14$ for the entire year. I don’t think that’s so bad but if it’s out of budget I understand. The features on the free trial are pretty awesome so far, it’s like having access to a gynecologist because the information you give about your period has so much feedback. It’s really surprising what the app tracks and the amount of feedback you get about symptoms, tips / tools, workout ideas, food recommendations, yoga, meditation, and self- assurance. I wanted to take the time to write a review because I was really hesitant to redownload the app with the reviews talking about payments but I’m glad I did and it appreciating the free trial so far. If you’re unsure try the 1 month free trial and see how you like it. Bonus for the awesome private community conversations that are available to everyone, so that you’re able to anonymously speak with other women/ girls on the app and freely ask questions or help respond to others. It’s just really awesome. I appreciate the app
    more
  • Mar 30, 2021

    By Maloree Teczon
    This is a great way to track your PMS, period, ovulation, and pregnancy. This app has a lot of helpful information that goes along with your progress. As well as healthy tips to benefit your physical and mental health. Even includes information on sexual health, and body positivity by actual doctors and therapist. I have had this app for well over a year now and helps with tracking things that are important to me, and puts them in easy to read data that I can share with my physician. Its great!
    more
  • Apr 9, 2021

    By Tracey Bright
    Oh, the banality of apps to help track your cycle. However, this is a phenomenal app! It is so much more than just a period tracker. Depending on which day of your cycle you're on...Flo has professional daily insights to why you may be feeling a certain way and why. This is my favorite app I have on my phone. Thanks, Flo! ❤️
    more
  • It’s nice but... Feb 23, 2019

    By Naughty nixon
    So I used this app for my period And it was great up until my period change and I came on a week early which was perfect for my weekend away because we were planning to get pregnant and my ovulation date was set for a specific day. Well I was on my period a day or two longer so I figured it would probably change my ovulation date. Well my trip was set to be at least about 2 to 3 weeks away and I kept checking the app to make sure and to see if my ovulation date was going to change well it didn’t change it stay the same and make sure that I refresh my app just in case and it stayed the same. Now the day I get to my destinations for my trip is my ovulation day that was on the app that’s what we were depending on. Three days later I go on the app to mark the fact that we made love and the ovulation date changed to the day before I arrived on my trip. Immediately I was upset because it seems as though we may have missed the ovulation day due to the fact that the app didn’t update until after my ovulation date that was set originally. So I deleted the app because of that. It’s very upsetting when you’re trying to get pregnant and your ovulation date just seems to change along with your fertile days changes I just think that that is something that they need to look into I no longer want to use this app.
    more
  • Amazing but needs a touch. Sep 13, 2017

    By simply0413
    Don't get me wrong, Flo is amazing and you'll never use another app after you download this but it could use a few touches. The one idea I have isn't really important but if you want to have more fun with the app you should also have the choice of using your own photo for a background picture. Doing this would make it a little more fun along with being able to choose the color of the circles or bubbles. Also, it would be cool if people could make their own articles for everyone to read but make a separate column you can click on, incase viewers don't want to read other people's. And lastly, the articles usually talk about tampons. Not everyone wears them including me. It would be great if you could tell everyone how they work and if it hurts. I personally am really sensitive about "down there" and it would be great to know what it's like. Or even talk more about pads. Right now I read things I can on the internet and see how to insert them and everything. But I rly think sticking something up there is really nasty. Again just my opinion. But overall this game is really good. If it was just a little more fun and fit for everyone I would be giving it 5 stars. But hopefully something I said can come true. To Whom Ever It Regards, - Unknown☺️
    more
  • Pretty good Nov 18, 2017

    By Thisislexi2
    The reason I downloaded this app was because I have fairly irregular periods. They have always been irregular, but I discovered that I have hypothyroidism which contributes greatly to irregular periods. I am also breastfeeding and have been breastfeeding for 18 months. I do notice that when I take my thyroid medication my periods become a lot more predictable and more normal. So, with that being said I did not expect this app to be spot on for me. I am just not one of those women who have a really predictable cycle. If you have a predictable cycle than this app will work great for you!! It tells you ovulation days so you can try (or avoid) getting pregnant. It reminds you when your period is due which is nice. Since my periods aren’t regular it took about 4-6 cycles to actually get the app to correctly predict my periods which is understandable. It’s important to log all your symptoms because that’s how it tells which phase you are in. This month it said I was supposed to start, but when I updated my symptoms, it changed the date I was due for my period. My period actually came 3 days before it was “due” but still, that’s pretty good guessing with someone who has irregular cycles. I do also love that they have articles you can read that educate you about your body. 4.5 stars.
    more
  • Apr 6, 2021

    By flowergirl
    I'm really happy with this app! The app is not only about your period but also tells you a lot about your well-being in form of small dialogues and pictures. It helps you to take care of your body, for example, it reminds you to drink water and you can specify how much you have in your system and what amount of liquid you need for a day. very good app except that some things are chargeable but a lot is also free i would recommend it to everyone !!
    more
  • Good, but having issues (now MORE issues?) Apr 21, 2020

    By C_Turtles
    UPDATED CORRECTION: My ovulation week (which happened weeks ago) jumped up an entire week too for. So now my period and ovulation dates are changing for seemingly no reason. This has never happened before. I understand the developer’s response, but I’m still not sure if you’re understanding the issue or if I’m failing to see something. Like I said, I’ve never had issues with this EVER, so why is every single thing changing. My period date. Changed over 6 times in the last few days, and so did my ovulation too. This makes no sense. I never had issues with this before, but this month, the day on when my period is going to start keeps changing. Every day it gets bumped up to the next day. First it said the 18, then 19, and now it’s up to the 21st. I don’t know if there’s an error occurring in the calendar or what, but it’s really annoying and confusing. I can’t tell what day is the correct day for my period to start, and now I’m worried everything else is wrong or the dates are offset (like for ovulation, as an example). Note: this has nothing to do with periods being late, as this is many days prior to when my period should even start.
    more
  • Mar 31, 2021

    By Marta
    This app is good and very detailed, but it's becoming more and more annoying. I want an app that doesn't bother me every day with notifications and just sends one before my period. I went through the settings and turned off some notifications, but soon afterwards they switch back on! I have attempted to turn them off three times by now. Is this a glitch?
    more
  • Apr 3, 2021

    By mala flamma
    When I first started using Flo, I would have given it a 5 star rating. Its been so helpful to have on my health journey. However recently they have been advertising there paid membership everywhere and its gotten annoying after awhile. I don't mind seeing the ads every now and then but almosy everytime I open the app and try to look at something the screen will pop up for the membership. If it didnt pop up so often I would still give a 5 star review.
    more
  • Mar 30, 2021

    By A Google user
    I have been using Flo for five years! No doubt it's an amazing app. But changing my rating from five star to three because all of their contents are for premium users! As a basic user you can only track your cycle. I think they needed to keep some more contents for everyone. It's too much disappointing that you started reading an article and after while you get to know you can finish it only if you're a premium user!
    more
  • Mar 29, 2021

    By Lisanne
    I used to love this app. Just a simple cycle tracker that could predict my period better than I could. The newest update came with a ton of features that are restricted in the free version, but that are still there all the time. So now when I just want to see how many days are left until my period, I have to work my way through several layers of ads and annoying animations. I can still use the same functions, but they are now buried under tons of features that I am not interested in. :(
    more
  • Not woman-owned, Paywall is a slap in the face Jul 9, 2020

    By Aydee221
    I’d been using Clue up till now. I read that Flo had some additional tracking options (such as indicating when you change your chosen period collection method and, if applicable, how much you collected). They must have still been rolling out the feature because I didn’t have it or find a way to enable it. But the paywall is why I’m writing this review. Literally everything except tracking your period and a generally unhelpful and unmonitored community chat is locked behind that $50 subscription. If I track a symptom consistently and the app recommends an article to me, just let me read it. Or at least a portion of it. Don’t immediately hit me with the ad to subscribe. The frequency of that ad alone is enough to make me not want to subscribe. And don’t get me started on the community chat. It NEEDS to be moderated. There is some straight up harmful garbage there (not all but enough). I also did some digging and the app is not woman-owned or founded (which is important to me). Some entrepreneur guy founded it and as far as I can tell they don’t use revenue from the app to support any women’s causes. I think I’ll be going back to Clue, where at least it’s designed by women, for women, and has a more thoughtful paywall.
    more
  • Apr 11, 2021

    By Rachel Kanakis
    This app is great and I love the tracking and other info it provides. The biggest issue is that lately I'm getting a TON of push notifications about premium features and secret chats. I'm not interested at all in either feature and I have my settings set as conservative as I can to still get a notification when my period will start soon. I'm really disappointed by this and if it continues I'm going to uninstall. A good app is being ruined by over marketing.
    more
  • Great for period tracking only May 30, 2019

    By lauritaGarcia
    I downloaded this app to track my periods, was great for that and plenty of little helpful insights/articles on the feed.. I used it to help conceive as well. Once I actually became pregnant and switched to “pregnancy mode” the little helpful insights diminished to almost none, maybe one every few weeks.. what would frustrate me also would be when I would click on the “For You” and it would show an insight article but then disappear before I got the chance to click on it. (Happened about a 100 of times on different occasions.) also the app doesn’t really have any symptoms tracker differentiations for the pregnancy mode... which seems kind of bizarre. Another thing is that in pregnancy mode it doesn’t say anything about the development of the baby at however many weeks you are. Not even a brief little description of what’s going on in your body at this time or a brief description of the development changes your baby is experiencing.. nothing at all.. I’m a first time mom so I use (5) different pregnancy apps to kind of bring all the information together, given that not all say the same thing or some say things others don’t and/or are more informative. I find myself using this app less and less as it isn’t very helpful in the pregnancy mode. I am currently 27 weeks so I’ve used it from the very beginning and nothing is getting better about it.. hopefully this review is helpful
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  • Apr 11, 2021

    By Gina Hey
    I liked this app until they started their subscription service and started adding so many additional health features. They are repetitive and annoying to click through. Just wanted a simple tracking app like this used to be several years ago. Good if you are not very informed about your own health or if you are trying to get pregnant, but a bit annoying to me personally. Not everyone wants to track for pregnancy.
    more
  • Too many ads Apr 12, 2021

    By Jamieeeeeee21
    I only want notifications that tell me when to anticipate my menses start date or ovulation, but I constantly get notifications like “Feeling frisky today? Your hormone levels are up!” “Set up a workout today” “It’s normal to feel down when your hormones drop” and other inappropriate statements that are embarrassing to receive when I am showing a work colleague something on my phone. I reported the issue to Flo and they said I had to turn off notifications altogether! It’s ridiculous how we cannot filter what we want to be notified of. Also, at the doctor’s I was asked the first date of my LMP. That’s what Flo is for. It took a full minute to open the app and click out of the annoying in-app pop ups that try to get me to use their features when all I wanted to do was go to my calendar. I don’t want to speak to your health advisor or whatever else you want me to do. I want a simple, unmessy, easy app to track my period. Lastly, I’ve been having issues opening the app and all I see is a huge ad saying “87% off Flo premium. Click next” and there is NO X at the corners to get away from the page. The only thing to click is “next” but I don’t want your premium. I have to close the entire app and reopen it to get the ad to disappear. Your app has a lot of people using it but it seems to be devolving into something sloppy and profit-hungry. I miss the days where it was a no-hassle, modest period tracker.
    more
  • Apr 9, 2021

    By Omotayo Abass
    I have been using flo about 3 years ago, and I loved it. But I lost my phone and previous account last year, so I installed it again with a new account this year. I hate the fact that you have to subscribe to get insights. Usually before now, whenever I log details I read different insights or tips without having to subscribe & it has been very helpful,but this recent development is so annoying, nothing at all, can be read on what I log, except I subscribe. I really regret installing this app
    more
  • Apr 9, 2021

    By Jennifer Killinger
    I've used this app for many many years, and now it's as bloated as I am on a bad month. They've changed everything, added a bunch of apparently expensive features I absolutely DON'T want or need. I'd consider paying for the app as it previously existed, but it's trying to be its own social media. No, I do not need 'personalized' automatic responses about my freaking period. I just wanted to track dates and maybe symptoms. Good if wishing to become pregnant...? Maybe. I'm looking for a new app.
    more
  • Extra features only available with premium Oct 2, 2020

    By kathynicole
    I originally downloaded this app to track my period and my symptoms. I do still like it for that, but I also really loved when more features were added such as giving helpful bits of info about the whole cycle. This info wasn’t always that helpful for me because most of it I knew already, but I do think it’s helpful for younger people. I didn’t learn much about the menstruation cycle in school, and I just can’t imagine much has changed. It was also helpful that they gave you tips seemingly based on the symptoms you plugged in. However today I went to log my symptoms and noticed they added in stories on why we get cramps, etc., but they are all only available to premium users. And when I went to the screen that used to have helpful articles, mostly all of the information is locked for premium users. This is all information that should be provided for free. Now kids are still going to have to wade through inaccurate information on the internet because apps like this are charging for the most basic information. I understand that you need money to survive, but information menstruation shouldn’t only be available to people with money. Also you would think they could get a moderator for the chat rooms or a professional to help answer questions, but no. So the chat rooms and answers are inaccurate and overrun with teens who don’t know anything because apparently female anatomy is only available to people with money. It’s such a shame.
    more
  • Apr 11, 2021

    By Katia Hancock
    I used to really enjoy this app, but I've had to turn notifications off entirely because it kept trying to give me weird health tips and advertise its own premium features at me. Every time I open the app, it wants me to buy a subscription, and even though I've inputted every period I've had for years at this point, it keeps telling me to "input the first day of your last period" whenever I try to look at the data on my cycle. At this point I've no choice but to find something else. :(
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  • Apr 1, 2021

    By LiarSpeaks TheTruth
    Upon installing Flo, you'll be relentlessly and mercilessly prompted to upgrade to premium, and notifications keep on coming after you turn them off. The app itself is fine, but even with all notifications off, it still harassess me more often than any other app. Frankly, the annoyance isn't worth it when there are less intrusive alternatives. Uninstalling so I can get some peace and quiet.
    more
  • New update ruined it.. Sep 19, 2020

    By GeekyGirl007
    There should really be a way to turn off virtual assist and my daily insights. Some of us came to this app because it was clean and simple, all these new updates and features are ruining that. It’s getting more and more intrusive and cluttered with every update. I don’t need or want all this crap on my screen. If I could toggle it off it’d be great but they give you no options, just shove all this stuff in your face. Why can’t anything be simple? Why do we need advanced AI and health stories on the front page? We don’t! Just a simple app that tracks and predicts our cycles and does it well. Please get rid off all this extra junk or at least give those of us who don’t want it a way to toggle it off. I hate this app now and will be finding a new one. To the developers- please don’t ask me to contact you for a solution. It seems to be your canned answer to every negative review and I will not be contacting you. If there is a solution to this issue or you have future plans to fix this issue, please just let me know here so the whole community can see it too. Nothing is going to be fixed in this situation by me contacting you. You used to have amazing customer service and really care about your users needs. Not anymore, there hasn’t been a genuine reply to any users feedback in a long time. This use to be a great app with caring devs behind it, but I can’t say that is true anymore sadly. Zero stars.
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