Safe Period is a convenient and quick software for calculating safe period.

Red means danger, green means safety, and yellow means menstruation.

* It is unreliable for people with irregular menstrual cycles to use this method.

* Long press the date for quick setting.

* It is more convenient to add widgets to the desktop

1.Long press a blank place of the desktop,

2.Click the widget, Slide to select Safe Period.

Safe Period - Apps on Google Play