The only FDA Cleared birth control app

Temperature-based contraception that's free from hormones and side effects.


40k+ ratings in the App Store

Join 3 million+ users worldwide


I feel empowered knowing about my body’s natural processes.


Joined NC° in 2022

NC° Birth Control

I’ve experienced significantly less pelvic pain... and our intimacy couldn’t be better.


Joined NC° in 2023

NC° Birth Control
Dr. Katara

Has got to be THE best natural birth control on the market. 10/10 recommend!

Dr. Katara

Joined NC° in 2021

NC° Birth Control

NC° helped me understand my body, cycle, and the best time of the month to get pregnant.


Joined NC° in 2019

NC° Plan Pregnancy

Nothing short of amazing! We just welcomed our baby girl, all thanks to NC°.


Joined NC° in 2022

NC° Plan Pregnancy

Natural Cycles can help youplan pregnancy

This week

Predictions can change

Ovulation predicted

Natural Cycles can help youtrack symptoms

heavy period icon
star struck iconConfident
sex drive medium icon
partying face iconExcited
acne icon
pad icon
sleeping iconTired

Natural Cycles can help youunlock insights

13 September 2023

Hello, green days!

15 September 2023

Tips on PMS

Common questions

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.