Period Assistant is an Android application developed by FunMkr Team that helps women manage their menstrual cycle. This free lifestyle app offers accurate menstrual cycle forecasts, recording convenience, and graphical statistical information to help women understand their bodies better. The app serves as a girl's calendar, with menstrual cycles, ovulation periods, ovulation days, safe periods, and fertile periods color marked and clear at a glance. It also provides scientific predictions and thoughtful reminders to help women prepare or prevent pregnancy, making menstrual periods less embarrassing.

The app features an exquisite interactive interface designed for women, with a main panel that integrates various reminders of the menstrual cycle in a simple and clear way. The main panel records directly, making it very convenient, and the calendar uses a variety of color markings, allowing women to understand clearly and arrange their schedules reasonably. The calendar page can record flow, mood, and common menstrual symptoms, and each menstrual cycle is clearly displayed in a list, with an average value provided. The app also includes options to turn on or off menstrual reminders, turn on password protection to protect privacy, and support account login.