Tracking your menstrual cycle with an app isn't just a way to keep from being blindsided by an unexpected visit from Aunt Flo. A new wave of. This app can help make it happen. It charts your monthly cycle via color-coded, easy-to-read graphs that project the days of your fertility window. Tracking your menstrual cycle with an app isn't just a way to keep from being blindsided by an unexpected visit from Aunt Flo. A new wave of.
Monthly period app Video