The application aims to assist in the method notes, taking advantage of the ease of having the cell phone always at hand and that way you can write down the daily observations. The use of this tool will make it possible to see the cycle graph at any time via cell phone, tablet or computer and will also provide for easier sharing of information between the couple and the instructor. Important! The application should not be used by people who are not aware of the billings ovulation method, so look for an official instructor or CENPLAFAM - WOOMB BRASIL for more information about the method.