Best Fertility Apps of 2023

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Key Specs:

• Cost: Basic version is free. Clue plus is about $5 per month or roughly $30 annually. 
• Features: Comprehensive symptom tracker.

Why We Chose It: We chose Clue because it’s super intuitive and expertly tracks what your body’s doing with respect to your cycle.

With a clear interface and science-driven algorithms, the Clue app makes it ridiculously easy to track your periods each month—but that’s only the start of what the app can offer. It’s so comprehensive: It’s like having a mini OB/GYN in your pocket.

Every day, you log into Clue and tell the app what’s up: how you’re feeling (cravings, mood swings, energy levels), if you’re bleeding or spotting, if you noticed a bunch of discharge in your underwear this morning, and more. Clue takes all this info, analyzes it, and lets you know exactly what to expect, from cycle patterns and any upcoming fertile windows to your next three months’ worth of periods and notifications about PMS symptoms.

You name it, and Clue will tell you about it. The app is free to download and use on a basic level, with some extras offered via the paid Clue Plus, like monthly fertility summaries delivered by email. You’ll thank us the first time you get a reminder that your period is due (and again several months later, when you’ve become such an expert on your fertility you barely even need the reminder anymore).

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Key Specs:

• Cost: Free
• Features: Period and symptom charts

Why We Chose It: Ovia is an inexpensive app that helps women nail their most fertile days of the month.

Most of the apps featured here are free to download for tracking data, with additional features offered for paid memberships. What makes Ovia stand out is that it’s actually 100% free, with everything available to you just by downloading it.

When you input your fertility data into Ovia, it creates fertile window predictions and a daily fertility score, so you can see at a glance how likely you are to conceive. You can track tons of other metrics as well, like exercise, sleep, mood, and meals. You can get support from both the app and the Ovia community for all your PMS and period questions.

What’s more, Ovia really shines when it comes to syncing data: Not only do you get cycle summaries every month, you can export your data and share it with your partner, too.

Again, all of this is available to you free of charge—making it our top choice for a budget pick. We would say Ovia gives you the best bang for your buck, but does that apply if your "buck" is free?

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Key Specs:

• Cost: Basic version is free. Glow Premium is about $60 per year or roughly $80 for lifetime subscription.
• Features: Suite of cycle apps.

Why We Chose It: Glow offers a versatile suite of apps that help women track their cycles at every stage of life.

Let’s do some math: if you get your first period when you’re about 13 and finish menopause around 56, that’s a whopping 43 years of fertility. Those numbers are only averages, but still: A woman’s reproductive life is long.

And it changes, too, often beginning with that first period and cycling through sex, pregnancy, and breastfeeding before finally hitting the brakes. Thankfully, the creators behind Glow understand that fertility needs evolve throughout a woman’s life, so her fertility apps should, too.

While Glow can compete with the best of them when it comes to achieving pregnancy, the company also offers apps for tracking pregnancy and baby milestones, plus an app specially designed to help you manage your period and sex life. Literally wherever you are in your fertility journey—or whatever your fertility goals may be—Glow has got you covered.

All of the Glow apps, including Fertility, are free to download and offer in-app purchases for more features. With the free, basic membership, you’ll still be able to do everything you need to track your ovulation and better plan for pregnancy; signing up for a premium membership lets you access private messaging with community members within the app, plus, you can obtain personal support and more in-depth resource articles.

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Key Specs:

• Cost: Basic version is free. Premium is around $10 per month
• Features: Comprehensive symptom tracker.

Why We Chose It: Period Tracker by GP Apps is an easy to navigate period-tracking app that takes the guesswork out of your monthly flow.

When you’re PMS-ing, how much acne do you get? What about constipation? And do you crave salty pretzels or sweet milk chocolate? If you’ve never asked yourself these questions, you’re missing out on a key metric for decoding your periods—and figuring it all out could make you feel better every month when good ol’ Aunt Flo comes to town.

Enter GP Apps’ Period Tracker, which admittedly has a super nondescript name but is not so generic once you download it and get to work. In addition to all of your random PMS symptoms, the tracker is adept at analyzing your daily temperatures and signs of fertility to send you customized info about your next period, fertile days, and upcoming PMS symptoms. The platform itself is simple and easy to navigate, making it a good fit for women who don’t want a lot of bells and whistles with their fertility info.

You can upgrade to a premium membership, but there doesn’t seem to be much benefit: You get all this good stuff right from Period Tracker’s free download. It’s a solid, user-friendly option for anyone wanting to track their fertility and know what’s coming next, reproductively speaking.

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Key Specs:

• Cost: Around $90 per year (includes thermometer) or roughly $10 per month (thermometer is $15 extra)
• Features: Basal thermometer.

Why We Chose It: Natural Cycles is a helpful birth control tool for women who’d rather go au naturel.

Sick of worrying about the side effects of hormonal birth control and stressing about the effectiveness of barrier methods like condoms? The Natural Cycles app is a real win-win, serving as an all-natural form of birth control that puts you right in the driver’s seat of your fertility: You'll have all the info you need to know when you’re fertile and when you’re not.

Here’s the deal: When you use this app, you basically use the fertility awareness method of birth control, which requires you to get familiar with your body’s signs of fertility, like daily temperature and cervical mucus. (When you sign up for Natural Cycles, part of the expense includes a basal body thermometer to give you a super accurate temperature reading). You input your temperature and any other key fertility signs, and the app works its magic to tell you if today is a "green" day or "red" day (i.e. if you’re possibly fertile or not and if you should use protection if you have sex).

Since Natural Cycles works as birth control and includes a basal body temperature, it’s not free. It is, however, cheaper than a lot of OTC and prescription forms of birth control at roughly $90 per year (with the thermometer included) or about $10 per month (with a one-time charge of around $15 for the thermometer).

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Key Specs:

• Cost: Basic version is free. Premium is about $5 per month or roughly $50 per year. 
• Features: Lots of data-driven charts

Why We Chose It: Kindara offers in-depth information on all the details surrounding your cycle and fertility.

If you love tracking your fertility and crunching numbers, then Kindara is the app for you. Kindara specializes in taking your raw numbers and giving you back painstakingly detailed charts that will help you work with your healthcare provider to treat any number of fertility-related issues, from irregular periods and anovulation to perimenopause.

By tracking your basal body temp plus your cervical changes, you can see your fertility represented in all kinds of color-coded visuals and receive truly customized information about your menstrual cycle. You can also import your data from an Apple Watch, share your charts with your partner or physician, and connect with fellow users to analyze each other’s charts to your heart’s content.

Kindara is free to download and its best features are included at no charge; there is a premium option, which includes more complex tracking options, like vaginal sensation and mood, along with the option to sync your cycle to the lunar calendar. If you’re willing to shell out for Kindara’s Wink digital thermometer, you can link it to the app and let it upload your daily temperature without having to manually input your data.

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Key Specs:

• Cost:  Basic version is free. Flo Premium and Pregnancy Assistant are $50 per year.
• Features: AI tracker.

Why We Chose It: Flo uses AI technology to make it easier for women with irregular periods to track their cycle and fertility if desired.

At first glance, Flo works like every other fertility tracker, taking your data and turning it into info you can use to predict your periods and fertile windows. But instead of using a fixed algorithm to determine your fertility, Flo uses artificial intelligence to get to know you, playing fertility detective with all the symptoms you track every month.

It’s a big difference: For women with irregular cycles, it can be tricky to rely on an app to paint an accurate picture of your fertility. Most will use the data you input to calculate the average length of your cycles (or use the average length of most other women’s cycles), and then calculate all your future fertility data based on that. If your cycles are longer than 32 days or—especially—if they vary in length, an app’s fixed algorithm may not be able to customize its predictions for you.

That's not the case with Flo. Its makers claim that all women can use the app to better understand and predict their fertility, including women with irregular periods. You should still be extra careful relying on an app to tell you about your fertility if you have irregular ones, but at least you can count on Flo to take that into consideration. Plus, the app does it all for free.