A free app for Android, by SarpStudios.
This is the best ovulation calendar app available for iOS devices. It's easy to use, intuitive, and contains a lot of information. It calculates your ovulation cycle in a very accurate way.
If you want to know when your next period is coming, you can just enter the first day of your last period, and the app will take care of the rest.
To get an even more accurate result, you can set the cycle length, but that's not required. The app will calculate the cycle for you.
The app has a very simple interface and a playful layout. It's not only based on scientific studies, but it's extremely simple to use and has a cute and playful layout.
