Natural Cycles Birth Control App

3 Easy Steps

Step 01

Measure your temperature

When you wake up in the morning, use the Natural Cycles thermometer to take your temperature.

Step 02

Add data to app

Enter your temperature into the app and Natural Cycles will analyze your data

Step 03

Know your status

Instantly find out if it's a Green Day (you're good to know) or a Red Day
(abstain or use protection).

The First FDA Cleared & Only CE Marked Birth Control App

Read Your Daily Fertility Status
After adding your temperature, you will get your fertility status for the day. This is either green (not fertile) or red (use protection). If trying to prevent pregnancy, you should use condoms or abstain from sex on red days.
Track PMS Pain & More
Add optional data throughout your cycle including changes to mood, sex drive, PMS and pain. Tracking symptoms can help you learn even more about your unique menstrual cycle.
Understand Your Cycle
Our popular graph feature helps you identify patterns in your cycle. You can also view the symptoms you have logged. Easily compare cycles or zoom out for an overview.
Adapt Your Fertility Journey
Natural Cycles is a long-term fertility partner. Switch between NC° Birth Control, NC° Plan Pregnancy and NC° Follow Pregnancy depending on your journey.

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.

The All Natural Birth Control App

3 Easy Steps

The First FDA Cleared & Only CE Marked Birth Control App

Compare Natural Cycles with Other Contraceptive Methods

The All Natural Birth Control App

3 Easy Steps

The First FDA Cleared & Only CE Marked Birth Control App

Compare Natural Cycles with Other Contraceptive Methods

Natural Cycles Newsletter