HomeAppsHealth & FitnessPeriodicalApps like Periodical Here are some great alternatives to Periodical by Arno Welzel : Menstrual & Ovulation Calendar ★4.1 Period Calendar ★4.4 Period Tracker & Fertile days ★4.1 LADYTIMER Period Tracker ★4.4 Once -A special period tracker ★4.4 Ladytimer Period Calendar ★4.2 My Period Calender ★4.5 Easy Period Calendar ovulation ★4.3 Period Tracker - Cycle Tracker ★4.4 Period Calendar Tracker ★4.5 Clover-Period & Cycle Tracker ★4.5 Ovulation Calendar & Fertility ★4.8 FemX Period &Ovulation Tracker ★3.8 My Period : Period Tracker ★4.5 Ovulation Tracker App - Premom ★4.6 Period Assistant ★3.9