Best Fertility Apps of 2025
Trying to conceive? Tracking your fertility with one of these apps can help your chance of getting pregnant.
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Your phone keeps you connected, inspires your next meal, stores all of your to-do lists and…may be able help you get pregnant faster when you’re trying to conceive. Considering how much we use our phones for just about every aspect of our lives, it’s no surprise that insights into your reproductive health are just a few clicks away.
How to Use a Fertility App
Fertility apps utilize data to help you track your menstrual cycle and predict your ovulation and fertility window. Most are free to download, extremely easy to use and work on a host of different devices.
Fertility apps require you to enter basic information about your menstrual cycle—things like your period’s start and end date, any symptoms you’re experiencing and sometimes even your waking temperature (called your basal body temperature) and your cervical mucus. The apps digest that information and, through various algorithms and other science-backed tools, predict the most fertile days in your cycle when you’re the most likely to conceive.
Most fertility apps become more accurate the more you use them, so you may want to download one and use it for a few months prior to when you want to begin trying to conceive (TTC for short). It’s also important to be consistent. Input as much information as often as you can in order to boost the app’s chances of “learning” about your fertility and making the correct predictions.
What does fertile mean on a fertility tracker?
Contrary to what you may have thought in middle school, there’s only a certain window of time each month that it’s possible to conceive. This fertile window is different for every person, and can even vary from cycle to cycle, so using a fertility app to figure out your specific fertile window can help you know at what point in your cycle you’re most likely to conceive.
An average menstrual cycle is between 28-32 days, and most women ovulate between day 11 and 21. An egg is only available to be fertilized for about 12-24 hours after ovulation, but sperm can live in the body for three to five days. This means that for most people, the average fertility window is about five to seven days. Using a fertility app can help you pinpoint this fertile window and know when conception is most likely to occur.
Are fertility apps accurate?
Are these apps foolproof? Definitely not. They rely on data that you’re inputting on a daily basis—so you need to be committed, attentive and accurate. Many of the claims they promise haven’t been scientifically proven, and these apps shouldn’t be used as birth control. But fertility apps can be an extremely helpful resource in your trying-to-conceive toolkit to help you better understand your reproductive health and boost your chances of getting pregnant.
Best Fertility Apps
These are Babylist’s picks for the seven best fertility apps worth a download.
Glow Fertility App
Glow uses a host of different data points to generate health insights that help you track and manage your reproductive health. The app includes an ovulation calculator and fertility calendar, a daily health log and even the ability to enter data about your partner, which can be helpful when you’re trying to conceive. You can track up to 40 different health signals like basal body temperature, sexual activity and more, and health insights include tools like a cycle chart, ovulation test analyzer and a pattern detection feature. There’s also the ability to access health resources and connect with a large online community.
| Cost | Free, with the option of a premium service starting at $23.99 for three months |
Clue Fertility App
Clue markets itself as “scientific and straightforward” and is a popular option for both cycle tracking and trying to conceive. Clue predicts your period, PMS and fertility. The more information you input—and the longer you track—the more accurate your predictions will become. There are over 30 tracking options, the ability to add custom notifications and an active website packed with information and resources about fertility, birth control, LGBTQIA, sex and more.
| Cost | Free, with the option of adding premium features starting at $0.99 and up |
Ovia Fertility App
Ovia’s Fertility and Cycle Tracker app was developed by a Harvard-educated CEO who created the app in order to help him and his wife conceive. The app’s proprietary algorithms are based on the latest data in fertility research and help track your period and predict your exact ovulation and fertility window. Users with irregular cycles who are trying to conceive rave about Ovia and its ability to predict ovulation even when their period is all over the map.
| Cost | Free |
Flo Fertility App
Flo is a health app used by over 145 million people across the world. The app was co-created by over 80 health and medical experts and uses AI technology to help you monitor your cycle and fertility. Period tracking metrics include things like start date and length, PMS symptoms, sleep, a step counter and more. The app then detects your peak ovulation days and helps you monitor your fertility symptoms. There’s also a pregnancy mode that helps you follow your baby’s growth and development if you become pregnant.
| Cost | Free, with the option of adding premium features starting at $9.99 and up |
Fertility Friend Ovulation App
Fertility Friend launched the concept of fertility tracking over 15 years ago (and 650,000+ pregnancies ago). It utilizes fertility charting—tracking your basal body temperature, also called your waking temperature, and your cervical mucus—to help you determine if and when you’re ovulating and which days in your cycle you’re most fertile. The app teaches you the basics of fertility charting and provides an in-depth analysis of your data to predict ovulation, fertility and early signs of pregnancy. There’s also an active community with over 150,000 real-life charts contributed by members that you can view.
| Cost | Free, with the option of a premium membership for $45 a year that gives you VIP access to message boards and advanced features |
Kindara Fertility App
Kindara is another charting-based app that can help you to understand your body, menstrual cycle and overall reproductive health. It works alongside the Priya Sensor, a small ring that you insert into your vagina that continuously monitors your core body temperature. (You can still use the app if you don’t want to use the sensor; simply use any basal body thermometer to take your temperature each morning and manually enter it into the app.) Kindara can be used for ovulation tracking and charting, birth control or when you’re trying to conceive.
| Cost | Free, with the option of a premium membership for $4.99 per month or $49.99 per year |
Period Tracker Fertility App
Period Tracker logs the dates of your period alongside your symptoms to predict your menstrual cycle and help you identify your most fertile days. The app makes it simple to input a huge host of symptoms like spotting, flow, cramps, bloating and more. There’s an Advanced TTC Mode if you’re using the app to try to increase your chances of getting pregnant.
| Cost | Free, with the option adding premium features starting at $9.99 |
Also Worth Considering: Fertility Sensors and Wearables
Fertility apps are helpful if you’re looking to gain a better understanding of your cycles and reproductive health, but in order for them to work as promised, you’ll need to remember to track your symptoms and manually enter various data points every day.
For a more hands-off approach, check out fertility sensors and wearables. Most are worn during sleep and are inserted either intervaginally or worn around your wrist. They do the tracking and synching for you automatically—but this ease of use does come at a price. Sensors and wearables are more expensive than fertility apps, but some users don’t mind the investment for the tradeoff of making their lives a little bit easier.
Ava is designed to identify your five most fertile days so you know the optimal time to have sex if you’re trying to conceive. It uses a sensor bracelet that you wear to bed each night that tracks things like skin temperature, resting pulse rate and breathing, then syncs and analyzes the information each morning to deliver fertility insights and predictions. Note that Ava isn’t right for you if you’re taking hormonal birth control, experience very irregular cycles or have PCOS.
OvuSense uses a small device that you insert into your vagina each night that fits like a tampon. It utilizes proprietary Core Body Temperature technology to help you accurately track your cycle, predict ovulation up to 24 hours in advance and figure out the best time to conceive. Unlike the Ava Bracelet, OvuSense works for people with PCOS and irregular cycles.
