Meet Natural Cycles, the only FDA cleared and CE marked birth control app that's 100% natural, hormone-free, and side-effect-free.

Here's how it works.

The app analyzes daily changes in your body temperature to find your fertile window, so you can plan or prevent pregnancy naturally.

Natural Cycles is a clinically proven non-hormonal birth control option that's 93%

effective with typical use and 98% effective with perfect use. No synthetic hormones, just science.

And if you're ready to start family planning, switching from preventing to planning a pregnancy

is as easy as tapping a button. Plus, the Natural Cycles app makes tracking fertility easy.

You can measure your temperature trends using an aura ring, Apple Watch, or a Bluetooth

thermometer, which is free when you sign up for an annual subscription.

Join over 4 million registered users who are taking control of their fertility naturally.

Save 15% when you sign up with

Code Radio 15 at natural cycles.com. That's Radio 15 for 15% off today. Meet Natural Cycles,

the only FDA cleared and CE marked birth control app. That's 100% natural, hormone-free,

and side effect-free. Here's how it works. The app analyzes daily changes in your body temperature to find your fertile window,

so you can plan or prevent pregnancy naturally.

Natural cycles is a clinically proven non-hormonal birth control option

that's 93% effective with typical use and 98% effective with perfect use.

No synthetic hormones, just science.

And if you're ready to start family planning,

switching from preventing to planning a pregnancy is as easy as tapping a button.

Plus, the Natural Cycles app makes tracking fertility easy.

You can measure your temperature trends using an aura ring, Apple Watch,

...