Clinical studies have shown that Natural Cycles is 93% effective.*
*Even when using the app perfectly, you can still have an unintended pregnancy. Natural Cycles is 93% effective under typical use, which means that 7 women out of 100 get pregnant during 1 year of use.
Natural Cycles is cleared by the FDA and CE marked in Europe as a medical device intended to be used for birth control.
The “brain” behind the app is a smart algorithm that can accurately determine a woman’s daily fertility.
Our app goes beyond birth control – at Natural Cycles, we are passionate about empowering women with knowledge so they can get to know their body and unique cycles
Independent Expert Fact Sheet on Natural Cycles
These are some of our App Store reviews
by Simple, accurate and natural 02 January 2018
I find this the best way to track my periods and fertility - it really is very accurate at predicting dates! I have struggled with hormonal birth control in the past, and feel so much better without it. Natural cycles has given me the freedom to just be a woman, and it feels great.
Makes a woman's life easier!!
by Tansie29 29 January 2018
Easy to use. Great way of tracking everything with great accuracy. Every woman should be using it!
by Chloe Schnell 30 January 2018
This app has revolutionized my contraception method. I now feel so in tune with my body and am so happy to be off hormones! Couldn't recommend this app enough.
I love Natural Cycles, I’ve learned so much about my body in the last year.