Birth control with no side effects

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4.8

30k App Store ratings

FSA & HSA
Eligible

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?

HORMONAL

HORMONAL

A package of contraceptive pills

93%

Contraceptive Pill

Illustration of NuvaRing

93%

Vaginal Ring

hormonal iud illustration

99%

Hormonal IUD

NON-HORMONAL

93%

Natural Cycles°

illustration of a male condom

87%

Condom

Copper iud

99%

Copper IUD

NON-HORMONAL

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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It looks like NC° Birth Control is a great fit for you.

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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.