Natural Cycles Fertility App

A new category of birth control | NC° Birth Control

Hormone-free birth control + advanced cycle insights, all in one app. Meet the world's first FDA-cleared birth control app. A whole new category of birth control — The Natural Cycles algorithm analyzes hormone-driven temperature changes to identify your fertile and non-fertile days. Join the millions who are taking control of their fertility with Natural Cycles°. Natural Cycles is for 18+ and does not protect against STIs. Always read and follow the directions for use.

Get a free NC° Band

Overnight temperature tracking, which syncs seamlessly with the Natural Cycles app to give you your daily fertility status.

6+ million women

Get a non-hormonal and certified contraceptive app today, and discover the difference.

A new category of birth control | NC° Birth Control

Hormone-free birth control + advanced cycle insights, all in one app. Meet the world's first FDA-cleared birth control app. A whole new category of birth control — The Natural Cycles algorithm analyzes hormone-driven temperature changes to identify your fertile and non-fertile days. Join the millions who are taking control of their fertility with NC° Birth Control.

#1 birth control app

6+ million women

Start your subscription today, and discover why over 6 million women already use Natural Cycles.

Apple Watch, meet Natural Cycles. The FDA-cleared birth control app now uses your Apple Watch temperature to help you prevent or plan pregnancy.

Protection backed by data

Knowledge is power. Take control of your cycle and fertility with Natural Cycles. NC° is for 18+ and does not protect against STIs. Always read and follow instructions for use.

6+ million women

Apple Watch, meet Natural Cycles. The FDA-cleared birth control app now uses your Apple Watch temperature to help you prevent or plan pregnancy.

A new category of birth control | NC° Birth Control

Gain clarity and take control of your fertility with Natural Cycles, the #1 birth control app. Natural Cycles is for 18+ and does not protect against STIs. Always read and follow the directions for use.

#ad The best investment I made last year was not personal finance related. I preach investing and making smart money moves all the time. But your body is the most important “portfolio” you manage, hands down. That’s exactly why I started using the @naturalcycles app, because understanding my body became a non-negotiable investment for me. Comment CYCLE and I’ll send ya my discount link to get started!! Natural Cycles is for 18+ and does not protect against STls. Always read and follow the directions for use.

Take control with NC° Perimenopause

Your symptoms make sense here. Take control with NC° Perimenopause today. NC° Perimenopause results are there to support you, not diagnose or replace a conversation with your doctor.

Apple Watch, meet Natural Cycles. The FDA-cleared birth control app now uses your Apple Watch temperature to help you prevent or plan pregnancy.

A new category of birth control | NC° Birth Control

Hormone-free birth control + advanced cycle insights, all in one app. Meet the world's first FDA-cleared birth control app. A whole new category of birth control — The Natural Cycles algorithm analyzes hormone-driven temperature changes to identify your fertile and non-fertile days. Join the millions who are taking control of their fertility with Natural Cycles° Natural Cycles is for 18+ and does not protect against STIs. Always read and follow the directions for use.

How does NC° work with Apple Watch?

Tracking your fertility just got easier with Natural Cycles powered by Apple Watch. Natural Cycles is the FDA-cleared, hormone-free birth control app based on body temperature. Just wear your compatible Apple Watch overnight and wake up to fertility insights in the app — giving you the power to prevent or plan for pregnancy, naturally.

Natural Cycles | Take control of your fertility

Hormone-free birth control + advanced cycle insights, all in one app. Meet the world's first FDA-cleared birth control app. A whole new category of birth control — The Natural Cycles° algorithm analyzes hormone-driven temperature changes to identify your fertile and non-fertile days. Seamlessly measure overnight with Oura Ring or a compatible wearable and wake up to personalized fertility insights in the Natural Cycles° app. Join the millions who are taking control of their fertility with NC° Birth Control.

6+ million women

Start your subscription today, and discover why over 6 million women already use Natural Cycles.