The only FDA Cleared birth control app

4.8

40k+ ratings in the App Store

Introducing NC° Birth Control

No hormones or side effects

FDA Cleared as contraception

Adapts to your cycle

How does NC Birth Control compare to other methods?

HORMONAL

HORMONAL

A package of contraceptive pills

93%

Contraceptive Pill

Illustration of NuvaRing

93%

Vaginal Ring

Hormonal IUD

99%

Hormonal IUD

NON-HORMONAL

Natural Cycles

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.

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Find out if Natural Cycles works for you

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How does it work?

You can only get pregnant on 6 days of your cycle. Natural Cycles finds your fertile window by analyzing body temperature.

The algorithm learns the pattern of your cycle, giving a daily fertility status, so you can prevent pregnancy hormone-free!

Your daily routine with Natural Cycles

Measure your temperature

All devices for Natural Cycles

Open the Natural Cycles app

Natural Cycles

Confirm daily fertility status

Natural Cycles

Join 3 million+ users worldwide

Michele

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

Michelle

Joined NC° in 2022

NC° Birth Control
Bethany

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

Bethany

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
Shadow

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

Shadow

Joined NC° in 2019

NC° Plan Pregnancy
Katie

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

Katie

Joined NC° in 2022

NC° Plan Pregnancy

Natural Cycles can help youplan pregnancy

Peak fertility screen

This week

Predictions can change
Algorithm

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
Today screen

Natural Cycles can help youunlock insights

13 September 2023

Hello, green days!

15 September 2023

Tips on PMS

Stats screen

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.