Your data is always protected
Best Birth Control App by Healthline
Best Birth Control App by Bestapp.com
Introducing NC° Birth Control
No hormones or side effects
FDA Cleared as contraception
Adapts to your cycle
Let's compare birth control effectiveness
Percentage of typical users who did not get pregnant with the method over 1 year of use. Read more.
Measure. Open the app. Confirm your fertility status.
Use the Oura Ring with the NC° app
Wear your Oura Ring to bed and let it measure while you sleep
Hear from our community
The science of your cycle
Natural Cycles birth control is based on biology. Discover the science behind this method, and what makes us certified.
You can also plan pregnancy
Natural Cycles is with you every step of your fertility journey. If you’re ready to start a family just switch to NC° Plan Pregnancy.
Your data is always protected 🔒
You must be over the age of 18. Does not protect against STIs.
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.