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Your cart is empty.Product Description
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Size Before You Buy
Before purchasing a femometer ring, we recommend purchasing a sizing kit to determine the best size for your finger. It's the ideal way to find the perfect size.
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Find The Right Fit
Femometer Ring sizes are different than standard ring sizes. The Femometer Ring Sizing Kit is the best way to ensure a comfortable and accurate experience.
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Purchase The Sizing Kit
Size first, Femometer Ring is available in 4 sizes from 6-9.
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Scientific Fertility Preparation
50% more accurate than an oral thermometer and predicts the most fertile days.
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Ovulation Tracking
Understand your cycle, take greater control of your health and enjoy a better life
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Understand your sleep patterns and stage changes.
Tailored advice to improve your sleep quality based on your body's natural rhythm
About Femometer App
George Trigatzis
Reviewed in the United Kingdom on February 8, 2025
I've used this ring for a couple of months an it I'm not convinced that this works. The temperatures in the morning do not indicate dips where you would expect them around ovulation, and when I measure with a BBT thermometer orally, it shows a different temperature. A very expensive item for one that doesn't feel very accurate.
harriet j.
Reviewed in the United Kingdom on February 7, 2025
I got this ring as a Christmas present to myself, I basically could not be bothered to take my BBT every morning anymore and liked the idea of the ring.A month into having the ring, the battery seemed to be a bit iffy, so I contacted Femometers customer service to ask if there was some issue with the ring or whether it was user error. They simply asked me to upload my logs from my ring, so they could investigate and get back to me. Less then 24 hours later they told me there seemed to be a fault with the battery and said they would send me a new one. They confirmed this with me yesterday and it arrived today!Tech goes wrong, its just the way it is, but the customer service from the company was impeccable. you get lifetime premium app access with the ring, this includes some cool stats about your cycle and some reports. the app is easy to use and my other half has the partner app.THIS IS FEMALE TRACKING APP THAT HELPS YOU TRACK YOUR PERIODS AND PREDICT FERTILITY. I would not use this for any other thing, it is nice to have a thing specifically tailored to reproductive health.
AMAZON630
Reviewed in the United States on February 28, 2025
They didn’t provide a resolution as promised to it not reading or syncing . Item defective from day 1. Not syncing not reading temp. Won’t even turn on. They keep asking for video of you charging it like you’re not intelligent to get out helping w/ a refund or replacing. They pretended to help in 30 day now I can’t get a refund or anything. I got an expensive piece of junk. A waste of money
Ameena Khan
Reviewed in the United States on February 12, 2025
It’s comfortable and appears to be pretty accurate at tracking bbt. It very convenient to stick it on at night and then plop it back on the charger in the morning. It doesn’t have much more functionality than tracking bbt and sleep and you do have to open the app to sync it. The app was a bit glitchy at first but after some updates it appears to be working fine. It is more expensive than other wearable bbt devices but for the added convenience and helpful (free) app, it was worth the money to me.
alex
Reviewed in the United States on January 26, 2025
My ring would not turn on or connect from the start. I contacted customer service after troubleshooting every possible solution. They required a list from me to prove their product was defective, fine, but then told me they had to replacements available in my size at this time and would follow up once they did. Haven't heard back in 2 weeks so I followed up and got an out of office response letting me know they'll be out another week. Beyond frustrating. When TTC every day counts and they clearly don't care.
Rachel
Reviewed in the United States on January 21, 2025
The Femometer ring has been a game-changer when it comes to tracking my fertility while breastfeeding and cosleeping with my toddler. Even with frequent night wakings, my charts are very accurate. The price point is amazing, considering it also comes with lifetime access to the Femometer app, where I can track all other data points related to my cycle. I wear the ring every night, and simply open the app in the morning to sync the data.I have appreciated that Femometer shows me all the data it collects, and helps to analyze it, while also allowing me to make corrections to my ovulation day or flag possibly inaccurate temp data (due to extraneous circumstances) if I see fit.
Paige
Reviewed in the United Kingdom on January 20, 2025
Pros-Convenient alternative to traditional BBT tracking for irregular sleepers or frequent wakers.-Automatically syncs data to the app, eliminating manual tracking.-Includes sleep analysis for insights into sleep habits.-Fantastic battery life – no constant recharging needed.-Cheaper than alternatives such as the Oura ring.Cons-Only syncs with the Femometer app. Since I already have years of data on Natural Cycles, I ultimately opted for the Oura ring for broader compatibility.-The pink and white design may not appeal to those who prefer the look of metallic or more jewellery-like wearables.The Femometer Ring is a game-changer for tracking ovulation, periods, and sleep with minimal effort, especially for those who struggle with traditional BBT tracking. However, the app limitation might be a drawback for those using other fertility tracking platforms. Otherwise, it's an excellent, reliable device which I believe still deserves 5 stars!
MrsC
Reviewed in the United Kingdom on September 22, 2024
I’m so impressed with this product. I wasn’t sure as it was much more affordable than its competitors! I’ve only had it for one cycles but it’s confirmed my ovulation and predicted my period perfectly (even though it says it needs 3 cycles to learn about you!). I wouldn’t wear it in the day as it’s not my type of ring, but I don’t think you need to anyway, and it’s super comfortable at night, I don’t even notice I’m wearing it. I would highly recommend it to anyone wanting to track data about their cycle, fertility and periods.
crobinson
Reviewed in the United States on September 17, 2024
There's so much to love about the Femometer Ring. The ring itself is comfortable and lightweight, and easily syncs with the app each morning. The price point is affordable and the app is very user-friendly and provides tons of personalized information each day based on where you are in your cycle. The sleep tracking isn't a feature I was looking for, so I was surprised at how valuable I've found it to be. I absolutely love it and the data it provides. Lastly, I had the chance to speak with someone from the company who answered any questions I had and it was easy to tell how much this company cares about what they are doing and the quality of product and service they are providing their customers.
Emily B.
Reviewed in the United States on August 26, 2024
It was awesome for the first 28 days and really interesting to see the app’s insights and tracking. However, on day 29 it suddenly wouldn’t connect. I thought it was a one off and put it on the charger and tried again the next night and it still won’t connect.I’ve emailed customer support but haven’t received a response yet. To be fair it’s only been about 8 hours since I sent the email. I’ll update if a resolution is reached or the ring begins to work again. At this point, it’s not worth the money if it only works for 28 days.
PeggySNew
Reviewed in the United States on August 26, 2024
This product is amazingly easy to use. You simply wear it at night to track things like your temperature and sleep. It connects to a very nice app that allows you to track multiple things including your cycle and other nice things to track as a female. The battery has a nice life and since I wear it all day, I only need to charge it once a week. Someone who didn't know what it was complimented me on nice it looks. They also have amazing customer service if something goes wrong. If it doesn't sync right away simply putting it on the charger and trying again fixes the issue. I didn't know when I bought it but it should be sized for your index finger to be the most accurate.
Catrina N.
Reviewed in the United Kingdom on November 4, 2024
This ring is brilliant , so easy to use and download to your phone
Kie
Reviewed in the United States on November 20, 2024
As someone who had a hysterectomy at a very young age, I would consider myself to be quite far outside of the Femometer Ring for Fertility Tracking’s target demographic. I haven’t bled in nearly a decade—I don’t even have a cervix! But I still have a hormonal cycle, and trying to track it in any meaningful sense felt like an uphill battle. Being a bit of an edge case, I wasn’t sure if the ring would be helpful for me or not. Lo and behold, I’m finally getting consistent BBT readings and insights that I can make sense of!!!! The app’s interface is intuitive and easy to use, the symptom tracking features are customizable, and the resources and infographics I’ve viewed are well-made. As others have mentioned, the ring comes with a lifetime premium subscription to the app, and it’s clear from the interactions I’ve had with this company that they care deeply about their customer base and the work that they do.
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