We are birth control

The only FDA cleared birth control app puts the power in the palm of your hand. Skip the pharmacy, no prescription needed.

FSA & HSA
Eligible

4.8

16k ratings in the App Store

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Natural cycles app with thermometer

Introducing the first and only birth control app

Discover hormone-free birth control that’s side-effect-free.

Switch to the first and only FDA cleared and CE marked birth control app.

Learn the unique pattern of your cycle with tailored updates and insights

Let's compare birth control methods

HORMONAL

HORMONAL

Two contraceptive pill strips

93%

Contraceptive Pill

Illustration of NuvaRing

93%

NuvaRing

hormonal iud illustration

99%

Hormonal IUD

NON-HORMONAL

Phone with the natural cycles app and thermometer

93%

Natural Cycles

illustration of a male condom

87%

Male Condom

copper iud illustration

99%

Copper IUD

NON-HORMONAL

Percentage of typical users who did not get pregnant with the method over 1 year of use. Source.

Wake up. Measure. Add data. Know your fertility.

Reach for the Natural Cycles thermometer as soon as you wake up.

Our community of Cyclers are always at the heart of what we do

Backed by science and passionate about our mission in women’s health

We’re proud to carry out research, work with medical partners and publish studies that bust myths and shed new light in the under-researched area of women’s health.

Prevent pregnancy today, plan for tomorrow…

Natural Cycles can also be used to plan a pregnancy. If and when the time is right you can use the same science to start a family.

Common questions

Get started with Natural Cycles today

100% Hormone-Free

Certified medical device

Unique and adaptable

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.