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Period Tracker Clue: Cycle & Ovulation Calendar

Period Tracker Clue: Cycle & Ovulation Calendar

Clue Period Tracker by BioWink

Period tracker, ovulation app & menstrual calendar to help you plan ahead.

4.7 Ratings 1M+ Reviews 10M+ Downloads

Ratings & Reviews

Write a Review
  • img Community
    You have so many things to keep up with each day, staying on top of your cycle shouldn't be the most difficult. With this useful app, it doesn't have to be. Get period reminders 2 or 3 days in advance and take advantage of the 30 features on this innovative app.
    img by Mercy
    2 years ago
  • img Community
    Menopause is a stage in life that's accompanied by a change in hormones, especially in women. Period Tracker Clue can track your symptoms over 90 days to help you find out if you're undergoing menopause or need medical attention.
    img by Sharon
    1 year ago
  • img Community

    Easy to use even if you have adhd Sep 10, 2021

    By SummerRaine Igleta
    This app has helped me prevent getting pregnant, figure out my cycle and track all the weird stuff that happens before and during my cycle..
  • img Expert Free vs Paid Period Trackers of 2021

    Free vs Paid Period Trackers of 2021

    We tested popular free vs paid period tracking apps to see which were the best options for you. Here's what we found through our testing.

  • img Expert
    1. The more data you add about yourself, the more accurately the algorithm can make predictions, so you know exactly what to expect every month
    2. Changed your method of birth control? Log all medication changes so you can see how they influence your cycle
    3. Rated the top free period tracker app by Obstetrics & Gynecology, a publication of the American College of Obstetricians and Gynecologists

    Reviewed by Katelyn on July 16, 2018

  • Sep 18, 2021

    By Sofiya Hotsul
    The app is great if you don't like really complicated stuff. I would honestly give it a five but something happen and it's not letting me use the app. Any time I try opening it it says there's an issue. It's making me (Tʖ̯T) sad (update it hasn't done that in a long time so I put it back to five, I'll keep this updated)
  • More than anticipated Jun 22, 2020

    By erika562
    I got clue because I was having a difficult time remembering to track my period on my messy calendar. When I began using it, I found that it was very easy and straightforward to use with customizable tracking options besides just the period bleeding itself like emotional state, pain, ovulation, sleep, digestion, etc. I just wish that the exercise tab had more options to choose from. After using it for a few months, the app had enough data to show me patterns during my cycle which were very enlightening to me. By recording my daily experiences and looking at the generated patterns and predictions I have been learning a lot about my body that I was previously unaware of before. But my favorite thing about discovering clue is that the company provides articles on women’s reproductive health for free on many different issues, and that these articles are fact-checked and use peer-reviewed journal studies as their sources (and list the sources so I could look them up myself if I wanted to). These articles provide me with information I otherwise didn’t have access too or was too embarrassed to ask about like the many birth control options available, how they work, and their pros and cons. Definitely more than just a period tracking app.
  • Great, if you're just menstruating Aug 25, 2021

    By dhakdlowlq
    I like this app. I just started using it maybe 7 months ago, and even though I only had three pretty irregular periods, I was pleasantly surprised at how accurate the ovulation and period predictions were. It only took the first cycle for the next predictions to be shockingly accurate. It was very nice to have a discrete little banner warning me that my period was supposed to start soon. I love all the symptoms we can track, and the cycle analysis over time. Overall I would like to say I love the app. But I can't. Because I'm now pregnant, and there's no way for me to change my life stage to "pregnancy" from "menstruating" without signing up for Clue Plus. I understand and accept that Clue wants us to pay for the pregnancy information, but I don't understand why I can't even change my status (and effectively put my cycle on "pause") until I give birth. I feel disappointed that this excessively long "cycle" could skew the information they collected from the previous ones, making my predictions less accurate for a long time postpartum. I can't imagine how much more disappointing this would be if I had been using this app for longer. I also think it would help to add a "postpartum" or "breastfeeding" life stage, since you aren't pregnant anymore but those situations still effect if/when you menstruate.
  • 5 Stars Feb 11, 2021

    By Panorainian
    This app is literally the best period tracker I’ve ever had. I started using it just over a year ago(ish), and it’s truly been helpful. I added in my past periods from another app and that helped a lot with it being able to always be spot on for my days. One thing I would recommend, is having a “Notes” section for days. I feel like that would be nice because I can remember why I didn’t take my BC (birth control) at a certain time and I can work on being more on time with it. It’d also be nice to keep track of other things in there, such as “my cramps were this bad today because xyz.” And instead of using just the cramps button, I can make a note of how bad or mild they were on which days so I can expect it for next time. I also feel as if it would be easier when talking to an OB/GYN about my periods because my cramps can sometimes be too horrible to the point I can’t even get up and out of bed (the top reason why I’m even taking it - and how irregular my cycle was before). A couple months ago I got the subscription to Clue, and it’s even better than I imagined! I enjoy getting the articles for what I feel on my period; certain emotions, why my cramps can be killer, etc. I’d definitely recommend this app to all my fellow friends. 💕
  • Aug 31, 2021

    By nerdygirlb3cca
    My period was near impossible to track (I do not recommend Nexplanon to ANYONE). This app made it so simple to track my cycle, and other related factors, like PMS and cramps. Now I don't look at my OB/GYN with a blank stare when they are me questions about my cycles. I just pull up the app. Thank you for helping me take control of my health!
  • img Expert Free vs Paid Period Trackers of 2021

    Free vs Paid Period Trackers of 2021

    We tested popular free vs paid period tracking apps to see which were the best options for you. Here's what we found through our testing.

  • img Expert
    1. The more data you add about yourself, the more accurately the algorithm can make predictions, so you know exactly what to expect every month
    2. Changed your method of birth control? Log all medication changes so you can see how they influence your cycle
    3. Rated the top free period tracker app by Obstetrics & Gynecology, a publication of the American College of Obstetricians and Gynecologists

    Reviewed by Katelyn on July 16, 2018

  • img Community

    Easy to use even if you have adhd Sep 10, 2021

    By SummerRaine Igleta
    This app has helped me prevent getting pregnant, figure out my cycle and track all the weird stuff that happens before and during my cycle..
  • Sep 18, 2021

    By Sofiya Hotsul
    The app is great if you don't like really complicated stuff. I would honestly give it a five but something happen and it's not letting me use the app. Any time I try opening it it says there's an issue. It's making me (Tʖ̯T) sad (update it hasn't done that in a long time so I put it back to five, I'll keep this updated)
  • More than anticipated Jun 22, 2020

    By erika562
    I got clue because I was having a difficult time remembering to track my period on my messy calendar. When I began using it, I found that it was very easy and straightforward to use with customizable tracking options besides just the period bleeding itself like emotional state, pain, ovulation, sleep, digestion, etc. I just wish that the exercise tab had more options to choose from. After using it for a few months, the app had enough data to show me patterns during my cycle which were very enlightening to me. By recording my daily experiences and looking at the generated patterns and predictions I have been learning a lot about my body that I was previously unaware of before. But my favorite thing about discovering clue is that the company provides articles on women’s reproductive health for free on many different issues, and that these articles are fact-checked and use peer-reviewed journal studies as their sources (and list the sources so I could look them up myself if I wanted to). These articles provide me with information I otherwise didn’t have access too or was too embarrassed to ask about like the many birth control options available, how they work, and their pros and cons. Definitely more than just a period tracking app.
  • Great, if you're just menstruating Aug 25, 2021

    By dhakdlowlq
    I like this app. I just started using it maybe 7 months ago, and even though I only had three pretty irregular periods, I was pleasantly surprised at how accurate the ovulation and period predictions were. It only took the first cycle for the next predictions to be shockingly accurate. It was very nice to have a discrete little banner warning me that my period was supposed to start soon. I love all the symptoms we can track, and the cycle analysis over time. Overall I would like to say I love the app. But I can't. Because I'm now pregnant, and there's no way for me to change my life stage to "pregnancy" from "menstruating" without signing up for Clue Plus. I understand and accept that Clue wants us to pay for the pregnancy information, but I don't understand why I can't even change my status (and effectively put my cycle on "pause") until I give birth. I feel disappointed that this excessively long "cycle" could skew the information they collected from the previous ones, making my predictions less accurate for a long time postpartum. I can't imagine how much more disappointing this would be if I had been using this app for longer. I also think it would help to add a "postpartum" or "breastfeeding" life stage, since you aren't pregnant anymore but those situations still effect if/when you menstruate.
  • 5 Stars Feb 11, 2021

    By Panorainian
    This app is literally the best period tracker I’ve ever had. I started using it just over a year ago(ish), and it’s truly been helpful. I added in my past periods from another app and that helped a lot with it being able to always be spot on for my days. One thing I would recommend, is having a “Notes” section for days. I feel like that would be nice because I can remember why I didn’t take my BC (birth control) at a certain time and I can work on being more on time with it. It’d also be nice to keep track of other things in there, such as “my cramps were this bad today because xyz.” And instead of using just the cramps button, I can make a note of how bad or mild they were on which days so I can expect it for next time. I also feel as if it would be easier when talking to an OB/GYN about my periods because my cramps can sometimes be too horrible to the point I can’t even get up and out of bed (the top reason why I’m even taking it - and how irregular my cycle was before). A couple months ago I got the subscription to Clue, and it’s even better than I imagined! I enjoy getting the articles for what I feel on my period; certain emotions, why my cramps can be killer, etc. I’d definitely recommend this app to all my fellow friends. 💕
  • Aug 31, 2021

    By nerdygirlb3cca
    My period was near impossible to track (I do not recommend Nexplanon to ANYONE). This app made it so simple to track my cycle, and other related factors, like PMS and cramps. Now I don't look at my OB/GYN with a blank stare when they are me questions about my cycles. I just pull up the app. Thank you for helping me take control of my health!
  • Amazing app!! Dec 5, 2018

    By Emz_
    Let me start by saying I have been using this app for around 4 years now and I love it! But ever since it came out with the whole “premium membership” thing I miss some aspects that I used to have. I no longer receive emails basically as a summary of my last cycle and I used to look forward to receiving those, it helped me get a better understanding of my cycle. And I don’t know if that is a feature in the premium membership I just noticed that when the app came out with premium membership I stopped receiving those emails, and personally I think that’s something everyone should have the privilege of receiving premium membership or not. But i also wish the app was a little more descriptive with its data, or at least had more options. For exercising I wish it had more options, it only has things like running and swimming but what about those who weight lift or walk? There are other things I wish it had as well like dizziness or how much you ate in a day or anxiety/depression, some of these things may already be on there some of them may not but I still think it’s good to have them/look into more options to collect data for. Overall, this app is great with tracking my period I just wish it went a little more in depth and helped you understand what all of it meant like it used to.
  • Sep 8, 2021

    By thisisjustaflashback
    I love this app and would definitely recommend it. I've used it on and off for a few years (which does muck up my cycles but that's ok). Anyway, recently I've noticed a few bugs in the software where half the buttons are missing and I cant track anything anymore. I hope they update their software or something as this app is priceless when it works!!
  • Sep 17, 2021

    By M V
    I want to like it but if you have an irregular cycle as your norm for any reason it'll stress you out with constant notifications alerting you that "your cycle seems to be late". I wish there was an option to select an irregular cycle (like for those using birth control), since it would still be nice to track your periods without the app constantly trying to fit your pattern into neat rythm and then bomb you with notifications when future periods don't follow that schedule.
  • Sep 6, 2021

    By Kathleen Muange
    I have been using the app for a year or two, and it has been excellent so far. However, after some update of some EU policies yesterday, the app does not open sometimes. When it finally does open, everything is unresponsive and I have to close the app. I am also unable to reach support to report the issue. I really love the app as it simple and has helped me track my period. Please fix this issue.
  • Sep 18, 2021

    By Jessica Moore
    Edit: It seems like this app is losing functionality. First, it stopped displaying menstrual flow volume in the calendar tab. Now, it shows nothing but menstruation days in the cycle analysis tab. I'm trying to track more than just menstruation in my cycles, and it's important for my health. The app also won't let me restore my data unless I sign up for an account on my new device. I loved this app originally, but it no longer fulfils my needs.
  • Sep 12, 2021

    By Houda Salhi
    The app used to work super well for me, I recommended it to so many people, the period days are tracked accurately. However in the past year I have not been receiving any notification for headsup or to remind me to track my period, I have also seen some features pulled back from the app. Honestly at this point I am ready to try another app 😔.
  • App struggles to load constantly FORCE CLOSES Oct 30, 2020

    By Snowzyy
    I have been a Clue user for over 3 years now and always loved it to the point that I joined as a plus member when it became available. I am happy that it is pretty much always spot on with my period predictions but for the past about 6 months it has had a lot of struggle loading. It used to be so bad to the point it wouldn’t load even after giving it multiple minutes. The issue has since gotten a bit better and some pages will load quicker while others (mainly cycle page) still take so much longer than necessary. I just feel like an app of this age and with this amount of quality in the product, should have the basics such as app programming down. I have made sure it’s not my phone or wifi, it’s the app that has problems loading. I am just pretty disappointed that my experience on the app seems to be getting worse rather than better. I hope this issue is fixed and then I’d be happy to provide 5 stars. UPDATE: Now the app is force closing itself out after about 30 seconds (and yes it is on the latest version). As you can see below, they suggested I try reporting the issue to them via the app but I can’t do that when it force closes before I can submit it.... It just keeps getting worse and it’s HIGHLY disappointing. Definite one star and am heavily considering cancelling my subscription and moving on to a new app at this point to be honest.
  • Lots of talk but nothing special Feb 23, 2021

    By Orrinico1122
    I wanted this app because it would send my husband updates on my cycle, I thought I would be a fun and easy way to communicate about this. The app does do this but only in a very limited way. I can’t control which notifications he gets or edit the text of the notifications. For example, I want my husband to get a notice when my fertile window is approaching and I would love to be able to edit the alert to be something fun and sexy. No can do! He gets all or nothing, so instead his phone dings, “It’s (name) PMS today!” Then follows a long medical article about pms and a note about how my acne might be worse. I can not think of ANYTHING less fun and sexy. I feel like a medical specimen in a jar. So much for empowering women. Oh, and now they just took away the fertile window entirely with a message about how it “puts too much emphasis on your fertility.” Well... that’s why I got the app. Make it optional, something people can turn on and off, don’t just take it out and leave only an option for the ovulation day alone. You know, why not just take out the period prediction too since it can also “be inaccurate,” and it puts too much emphasis on menstruation. Why not just have the app predict that every day is the same inside our bodies? That way we can just be surprised when it’s not! Who doesn’t love a good surprise right! Oh wait, I guess we don’t even need an app at all then.
  • Sep 1, 2021

    By Tash Gill
    I used this app for a while, then uninstalled because it kept crashing when I tried to interact with it. Reinstalled it again recently in the hope it would be fixed, but no joy. This is a shame because I really like how easy to use the app is! I can't even access the support tab on the app to report this :(
  • img Community
    You have so many things to keep up with each day, staying on top of your cycle shouldn't be the most difficult. With this useful app, it doesn't have to be. Get period reminders 2 or 3 days in advance and take advantage of the 30 features on this innovative app.
    img by Mercy
    2 years ago
  • img Community
    Menopause is a stage in life that's accompanied by a change in hormones, especially in women. Period Tracker Clue can track your symptoms over 90 days to help you find out if you're undergoing menopause or need medical attention.
    img by Sharon
    1 year ago
  • img Community

    Easy to use even if you have adhd Sep 10, 2021

    By SummerRaine Igleta
    This app has helped me prevent getting pregnant, figure out my cycle and track all the weird stuff that happens before and during my cycle..
  • img Expert Free vs Paid Period Trackers of 2021

    Free vs Paid Period Trackers of 2021

    We tested popular free vs paid period tracking apps to see which were the best options for you. Here's what we found through our testing.

  • img Expert
    1. The more data you add about yourself, the more accurately the algorithm can make predictions, so you know exactly what to expect every month
    2. Changed your method of birth control? Log all medication changes so you can see how they influence your cycle
    3. Rated the top free period tracker app by Obstetrics & Gynecology, a publication of the American College of Obstetricians and Gynecologists

    Reviewed by Katelyn on July 16, 2018

  • img Community

    Easy to use even if you have adhd Sep 10, 2021

    By SummerRaine Igleta
    This app has helped me prevent getting pregnant, figure out my cycle and track all the weird stuff that happens before and during my cycle..
  • Sep 18, 2021

    By Sofiya Hotsul
    The app is great if you don't like really complicated stuff. I would honestly give it a five but something happen and it's not letting me use the app. Any time I try opening it it says there's an issue. It's making me (Tʖ̯T) sad (update it hasn't done that in a long time so I put it back to five, I'll keep this updated)
  • More than anticipated Jun 22, 2020

    By erika562
    I got clue because I was having a difficult time remembering to track my period on my messy calendar. When I began using it, I found that it was very easy and straightforward to use with customizable tracking options besides just the period bleeding itself like emotional state, pain, ovulation, sleep, digestion, etc. I just wish that the exercise tab had more options to choose from. After using it for a few months, the app had enough data to show me patterns during my cycle which were very enlightening to me. By recording my daily experiences and looking at the generated patterns and predictions I have been learning a lot about my body that I was previously unaware of before. But my favorite thing about discovering clue is that the company provides articles on women’s reproductive health for free on many different issues, and that these articles are fact-checked and use peer-reviewed journal studies as their sources (and list the sources so I could look them up myself if I wanted to). These articles provide me with information I otherwise didn’t have access too or was too embarrassed to ask about like the many birth control options available, how they work, and their pros and cons. Definitely more than just a period tracking app.
  • 5 Stars Feb 11, 2021

    By Panorainian
    This app is literally the best period tracker I’ve ever had. I started using it just over a year ago(ish), and it’s truly been helpful. I added in my past periods from another app and that helped a lot with it being able to always be spot on for my days. One thing I would recommend, is having a “Notes” section for days. I feel like that would be nice because I can remember why I didn’t take my BC (birth control) at a certain time and I can work on being more on time with it. It’d also be nice to keep track of other things in there, such as “my cramps were this bad today because xyz.” And instead of using just the cramps button, I can make a note of how bad or mild they were on which days so I can expect it for next time. I also feel as if it would be easier when talking to an OB/GYN about my periods because my cramps can sometimes be too horrible to the point I can’t even get up and out of bed (the top reason why I’m even taking it - and how irregular my cycle was before). A couple months ago I got the subscription to Clue, and it’s even better than I imagined! I enjoy getting the articles for what I feel on my period; certain emotions, why my cramps can be killer, etc. I’d definitely recommend this app to all my fellow friends. 💕
  • Aug 31, 2021

    By nerdygirlb3cca
    My period was near impossible to track (I do not recommend Nexplanon to ANYONE). This app made it so simple to track my cycle, and other related factors, like PMS and cramps. Now I don't look at my OB/GYN with a blank stare when they are me questions about my cycles. I just pull up the app. Thank you for helping me take control of my health!
  • Love it, but a suggestion Jan 16, 2019

    By Dr. Hajdhjshshsjjsjs
    I really love clue, it’s a really easy place to keep track of everything related to my cycle. One thing I would like to suggest is to allow us to choose if we want to log our flow (or other things) multiple times a day or just once like it is now. Personally I would love to be able to mark my flow each time I use the restroom/change my tampon/pad and have clue give me the average flow for that day. I just thought this would be a nice option since I know I sometimes have trouble deciding what I want to mark a whole days flow as (like if I’m light in the morning and night but heavy in the middle of the day). Another part of this would be to be able to log the time (if you choose), like if I get my period at 11 pm (when I normally get it in the morning). I have a really hard time remembering when I got my period and most of the time if it starts later at night it’ll go an extra day long. So it would be nice to be able to see what time I got my period, and (if marking the time for each restroom break) over time you could be able to recognize patterns of your flow throughout each day of your period. Just a couple of thoughts, but I love this app. Thanks in advance for reading my suggestions!
  • Aug 26, 2021

    By Rebecca Yu
    In my opinion, Clue is the best free period tracker available anywhere. With a simple UI, Clue does basic things like track my period, schedule pill reminders, and track symptoms. On top of this, Clue provides you with articles about your body and the changes you experience. It explains different types of birth control, why you may experience side effects, etc. all while reminding you that each body is different. QUALITY EDUCATION FOR FREE! 6 stars if I could!
  • Love this app (and a suggestion) Mar 28, 2018

    By Bwilli74
    I have used Clue for years and I love it! It has helped me learn about my cycle and take control of my healthcare needs in a way I’ve never experienced. The only suggestion I have is that I wish I could track pregnancy in it as well- as far as I know there is a pregnancy option but it basically shuts down projections and eliminates the data from that time in the analysis. I don’t want to track fetal development or anything like that but it would be great if I could track my symptoms and experiences associated with pregnancy without having to mark a cycle as inactive. I had a miscarriage last fall and as we have started trying to get pregnant again I have wished that data was more available so I could see patterns and trends on months when I was pregnant compared to months that I wasn’t. As it is, when you say a cycle is inactive it won’t show you what day you were suspected to have ovulated, etc. which would be really valuable in trying to conceive. I really do appreciate this app and the work you are doing on it- I just wish it could track additional information and normalize the pregnancy experience without skewing or losing data. Thank you!
  • Amazing!! Feb 4, 2018

    By This is a Nat Attack
    I’ve tried a lot of different cycle-tracking apps and this is definitely my favorite!! However, I really wish that there was an option to indicate that you’re switching to a different brand of birth control! Also, I think it’s be nice if we had the option to arrange our days of the week according to the day of the week our pack starts on (so I start my packs on Thursday and I would like it if the weeks started on Thursdays for me). I think that would be nice, because when I went in to my gyno to switch birth control, she was interested in which week of my pack I was having the most issues and it’s really hard to tell if it’s set up like a traditional calendar. Lastly, there are a tonnnnn of options for tracking which I really love, but I know that one of the some women literally throw up for seemingly no reason at all (I, being one of them lol) and it’s be really nice to have that specifically! Because usually when this happens to me, I end up just saying I have the flu, but that’s not really accurate since there’s no fever! Anyway, I know that’s a lot, lol, but I really do love this app and and definitely think it’s the best that’s out!
  • Sep 12, 2021

    By Sara Lu
    I tried many different period trackers before I found Clue quite a few years ago, but I feel that Clue is the most accurate app when it comes to tracking, not only your period but so many other things (even though I forget to do it haha). Highly recommend this app. I have recommended it to many of my friends!
  • Great, if you're just menstruating Aug 25, 2021

    By dhakdlowlq
    I like this app. I just started using it maybe 7 months ago, and even though I only had three pretty irregular periods, I was pleasantly surprised at how accurate the ovulation and period predictions were. It only took the first cycle for the next predictions to be shockingly accurate. It was very nice to have a discrete little banner warning me that my period was supposed to start soon. I love all the symptoms we can track, and the cycle analysis over time. Overall I would like to say I love the app. But I can't. Because I'm now pregnant, and there's no way for me to change my life stage to "pregnancy" from "menstruating" without signing up for Clue Plus. I understand and accept that Clue wants us to pay for the pregnancy information, but I don't understand why I can't even change my status (and effectively put my cycle on "pause") until I give birth. I feel disappointed that this excessively long "cycle" could skew the information they collected from the previous ones, making my predictions less accurate for a long time postpartum. I can't imagine how much more disappointing this would be if I had been using this app for longer. I also think it would help to add a "postpartum" or "breastfeeding" life stage, since you aren't pregnant anymore but those situations still effect if/when you menstruate.
  • Amazing app!! Dec 5, 2018

    By Emz_
    Let me start by saying I have been using this app for around 4 years now and I love it! But ever since it came out with the whole “premium membership” thing I miss some aspects that I used to have. I no longer receive emails basically as a summary of my last cycle and I used to look forward to receiving those, it helped me get a better understanding of my cycle. And I don’t know if that is a feature in the premium membership I just noticed that when the app came out with premium membership I stopped receiving those emails, and personally I think that’s something everyone should have the privilege of receiving premium membership or not. But i also wish the app was a little more descriptive with its data, or at least had more options. For exercising I wish it had more options, it only has things like running and swimming but what about those who weight lift or walk? There are other things I wish it had as well like dizziness or how much you ate in a day or anxiety/depression, some of these things may already be on there some of them may not but I still think it’s good to have them/look into more options to collect data for. Overall, this app is great with tracking my period I just wish it went a little more in depth and helped you understand what all of it meant like it used to.
  • Sep 8, 2021

    By thisisjustaflashback
    I love this app and would definitely recommend it. I've used it on and off for a few years (which does muck up my cycles but that's ok). Anyway, recently I've noticed a few bugs in the software where half the buttons are missing and I cant track anything anymore. I hope they update their software or something as this app is priceless when it works!!
  • easy to use and wildly helpful, but some minor issues Jun 4, 2021

    By Doodlecupcake22
    I’ve used Clue since 2016, if not longer. I can’t imagine ever switching to a different tracking system. there are plenty of features for detailed tracking and predictions, but if you’re like me, and you just want to know when your period hits, it’s great for that too. the UI is clean and easy to customise. it gives me detailed information and lets me input my own info effortlessly. it’s just simply a great app. all that being said, there are a few changes I’d love to see. for one, the startup and response of the app is slow. it wasn’t always like this, but in the last year or so, it’s gotten wildly slow! real bummer. I have the latest app update and the newest IOS on my device, but the app startup is still slow–sometimes taking more than a full minute to load the front page (I know it sounds silly, but actually sit and wait for a full minute or longer and tell me that wouldn’t be inconvenient or frustrating after continued use). in addition to that, I’d really love if you could rearrange the categories that you track (sex, birth control, activity, etc.). it’s nice to be able to toggle what you do and don’t track, but rearranging the categories as well would be a fantastic setting.
  • Sep 13, 2021

    By Hannah Marie
    I love this app! It's great for keeping track of my period. Plus, you can choose questions for topics you wanna keep track of. Like hair, skin, discharge, how heavy your flow is, and more! The only suggestion I would like to make for the next update is extra topics for yeast infections or just itching in general. I always get really itchy before I start my period and I also know some women who do too. So, I feel like adding this option would make tracking my period and others more accurate :)
  • Works great Sep 8, 2019

    By Ratatattat007
    I love the way this app works. It makes predictions for you (after a cycle or two it gets more accurate) and you can customize notifications to however you want them to be displayed. For me personally, it doesn’t work as well as it would for most women because my period is irregular, so the averages don’t work accurately. However, the functions on the app work perfectly and any issues I have are almost guaranteed to be caused by my own inconsistencies. I know my period isn’t ever going to become regular because of my genes, but it’s convenient to have all of my menstrual information in one place in case I need to look back at the dates during an appointment. Love this app :) HOWEVER. Because of my irregular period, the averages show that my average cycle length is around 46 days, which is okay and all, but because that number is so high, there’s a little icon with an exclamation point on it. If I click on it, it tells me I need to buy the subscription to receive more info. It makes me really frustrated!! Clearly Clue is trying to tell me something about my menstrual health that could be helpful to my situation, but I need to pay in order to receive that insight. It doesn’t help that the icon looks really urgent and important.
  • Easy to use Sep 30, 2019

    By Kellomatic
    I love the simplicity of this app compared to other I use. I love that I could share my cycle with my partner should I choose and that all my information is available in one spot so I can easily relay it to my doctor. I came here to write a review stating that I wish you could add if your cycles are irregular or if you’ve been diagnosed with PCOS or other infertility issues when I saw there was a recent update that mentioned PCOS. After updating and looking through all the settings and options I had to go back to the update features to learn that it will only prompt you to take a survey once they’ve deemed your cycles are irregular. It would be nice if you could just input that you are irregular or suffer from infertility issues that have already been diagnosed without having to wait for a cycle to complete. Because with PCOS we could be waiting anywhere from the automatic 29 days clue starts you at to 90+ days which means you don’t get insights because you haven’t actually completely a cycle yet. If you were able to put on your diagnosis or irregularity then clue could give you insight into what your last 30 days has looked like instead of *one* cycle that could be months of waiting
  • Love the app Oct 6, 2018

    By Minnie coupe
    This app is fantastic! It allows me to stay ahead of my period, and I love that. I am never caught off guard by my period because I use it daily and pay attention to when it has predicted my next cycle. The birth control input is also very nice because i never forget to check my threads. I also like that I can track when I have sex because my doctor always asks me about the last time i had sex and i could never remember until i started using clue. The only thing I have against the app is that there is no way to add other things to track. They have a set list of things and that's all you can track. I know that there are other things I would love to track but there is no option for it. I wish you could customize your own things so that women could track things that are important to them, but not necessarily everyone. I also think it would be nice to have the option to make notes on some of the things you track, like where your cramps were or how sharp or dull they were. i know this matters to me because my iud causes me to have many different cramps. overall, i love the app and will definitely continue to use it and tell my friends about it.
  • Aug 29, 2021

    By Jasmine Watts
    I have previously used a number of other period trackers and can conclusively say this is the best one. It is surprisingly accurate compared to other trackers, and it is extremely helpful that you have the ability to record your cravings, pain, emotions ect.
  • Sep 3, 2021

    By Laura Kramer
    The user interface of this app is nice, very simple, very well designed. It does a good job of tracking whatever you want it to. I was also happy to discover a section for advice for queer people who menstruate. Which was locked behind a paywall. I know you guys need to make money, but it's incredibly hard for me and my fellow trans people to find open access health information about ourselves and how our health will be affected by hormones.
  • Aug 31, 2021

    By Tanija Hafizović
    Annoying because I can't select a whole week for my period, I have to press each day individually. It doesn't give me a fertility window. Not good average cycle calculations. And it keeps showing me the calender for 2012 when I open it. And there are no indications for your cycle days like on my last app. It doesn't have any gadgets to put on my home screen. But it's pretty.
  • Sep 17, 2021

    By Lisa Whitby
    I have used Clue for a long time and I love it, but in the last 6 months or so every time I open the app to look at my calendar it opens on January 2012?! It's annoying to have to scroll through the years to the correct date...can this be fixed? I'm using a Samsung S21.
  • Love This App but it Has Some Glitches Apr 2, 2020

    By meowskins23
    First, let me start off by saying I LOVE this app, and even paid for the subscription as soon as it was an option. I’m a control freak and love being able to track details like this. HOWEVER, within the last 6 months to a year, the app has been really glitchy. I kept hoping with each update that it would get better, so I held out on writing a review, but it seems that the issues have gotten worse instead of better. Each time I log something, especially something for a previous day, the app freezes and sometimes fully crashes and I have to restart. Then the updated details take a few minutes to even appear, which makes the app freeze again and sometimes crash. Also, the app crashes as every time I open it for the first time, and I have to re-open it 1 or 2 times before I can actually use it. I have tried deleting and reinstalling, which didn’t help, and I even upgraded my phone recently, but still having the same issues. Hoping these things can be fixed soon because I love the app. I’ll end this review by saying I’m not going to stop using this app because it’s amazing and very thorough, but wanted the developers to be aware of these issues. Thank you!!
  • Sep 17, 2021

    By M V
    I want to like it but if you have an irregular cycle as your norm for any reason it'll stress you out with constant notifications alerting you that "your cycle seems to be late". I wish there was an option to select an irregular cycle (like for those using birth control), since it would still be nice to track your periods without the app constantly trying to fit your pattern into neat rythm and then bomb you with notifications when future periods don't follow that schedule.
  • Sep 6, 2021

    By Kathleen Muange
    I have been using the app for a year or two, and it has been excellent so far. However, after some update of some EU policies yesterday, the app does not open sometimes. When it finally does open, everything is unresponsive and I have to close the app. I am also unable to reach support to report the issue. I really love the app as it simple and has helped me track my period. Please fix this issue.
  • Sep 12, 2021

    By Houda Salhi
    The app used to work super well for me, I recommended it to so many people, the period days are tracked accurately. However in the past year I have not been receiving any notification for headsup or to remind me to track my period, I have also seen some features pulled back from the app. Honestly at this point I am ready to try another app 😔.
  • Sep 1, 2021

    By Tash Gill
    I used this app for a while, then uninstalled because it kept crashing when I tried to interact with it. Reinstalled it again recently in the hope it would be fixed, but no joy. This is a shame because I really like how easy to use the app is! I can't even access the support tab on the app to report this :(
  • Sep 18, 2021

    By Jessica Moore
    Edit: It seems like this app is losing functionality. First, it stopped displaying menstrual flow volume in the calendar tab. Now, it shows nothing but menstruation days in the cycle analysis tab. I'm trying to track more than just menstruation in my cycles, and it's important for my health. The app also won't let me restore my data unless I sign up for an account on my new device. I loved this app originally, but it no longer fulfils my needs.
  • App struggles to load constantly FORCE CLOSES Oct 30, 2020

    By Snowzyy
    I have been a Clue user for over 3 years now and always loved it to the point that I joined as a plus member when it became available. I am happy that it is pretty much always spot on with my period predictions but for the past about 6 months it has had a lot of struggle loading. It used to be so bad to the point it wouldn’t load even after giving it multiple minutes. The issue has since gotten a bit better and some pages will load quicker while others (mainly cycle page) still take so much longer than necessary. I just feel like an app of this age and with this amount of quality in the product, should have the basics such as app programming down. I have made sure it’s not my phone or wifi, it’s the app that has problems loading. I am just pretty disappointed that my experience on the app seems to be getting worse rather than better. I hope this issue is fixed and then I’d be happy to provide 5 stars. UPDATE: Now the app is force closing itself out after about 30 seconds (and yes it is on the latest version). As you can see below, they suggested I try reporting the issue to them via the app but I can’t do that when it force closes before I can submit it.... It just keeps getting worse and it’s HIGHLY disappointing. Definite one star and am heavily considering cancelling my subscription and moving on to a new app at this point to be honest.
  • Lots of talk but nothing special Feb 23, 2021

    By Orrinico1122
    I wanted this app because it would send my husband updates on my cycle, I thought I would be a fun and easy way to communicate about this. The app does do this but only in a very limited way. I can’t control which notifications he gets or edit the text of the notifications. For example, I want my husband to get a notice when my fertile window is approaching and I would love to be able to edit the alert to be something fun and sexy. No can do! He gets all or nothing, so instead his phone dings, “It’s (name) PMS today!” Then follows a long medical article about pms and a note about how my acne might be worse. I can not think of ANYTHING less fun and sexy. I feel like a medical specimen in a jar. So much for empowering women. Oh, and now they just took away the fertile window entirely with a message about how it “puts too much emphasis on your fertility.” Well... that’s why I got the app. Make it optional, something people can turn on and off, don’t just take it out and leave only an option for the ovulation day alone. You know, why not just take out the period prediction too since it can also “be inaccurate,” and it puts too much emphasis on menstruation. Why not just have the app predict that every day is the same inside our bodies? That way we can just be surprised when it’s not! Who doesn’t love a good surprise right! Oh wait, I guess we don’t even need an app at all then.

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