Birth control with no side effects

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30k App Store ratings


Your data is always protected

Natural Cycles app screen showing the fertility status for the day which reads Not Fertile.

Certified medical device

Natural Cycles is the first FDA cleared birth control app. Non-hormonal, non-invasive, Natural Cycles learns the pattern of your cycle, and is 93% effective with typical use.

🌿  Zero side effects

💍 Works with the Oura Ring

🔍  Can also be used to plan pregnancy

Featured in

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How does Natural Cycles compare to other methods?



A package of contraceptive pills


Contraceptive Pill

Illustration of NuvaRing


Vaginal Ring

hormonal iud illustration


Hormonal IUD



Natural Cycles°

illustration of a male condom



Copper iud


Copper IUD


Percentage of typical users who did not get pregnant with the method over 1 year of use. Read more.

Start your journey today

With a discount on annual

Take our quiz to find out if NC° Birth Control is for you
Are you able to take your temperature most mornings when you wake up?
Are you 18 years of age or older?
Choose the primary birth control method you are currently using:
Have you ever experienced any side effects from birth control?
Do you work night shifts or does your sleep schedule change significantly?
Do you have children?
Are you currently breastfeeding?
Are you looking to become pregnant in the next few years?
Do you like learning about your body?
How long are your menstrual cycles normally?
Do you have 
any of the following?
Do you have symptoms of menopause?
Are you and your partner willing to abstain from sex or use condoms on fertile days?
Do you value having a daily routine?

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Join a global community of Natural Cycles users

Common questions

Your journey starts today

Step toward a hormone-free future with the world's first birth control app.

You must be over the age of 18. Does not protect against STIs.

FDA Cleared

Natural Cycles is 93% effective with typical use, 98% effective with perfect use. No method of contraception is 100% effective. Natural Cycles does not guarantee that you cannot get pregnant, it only informs you whether and when you can become pregnant based on the information that you enter into the application.