HomeAppsHealth & FitnessPeriodicalApps like Periodical Here are some great alternatives to Periodical by Arno Welzel : Period Calendar ★4.4 Ladytimer Period Calendar ★4.2 Period Tracker & Fertile days ★4.1 Once -A special period tracker ★4.4 HiMommy: Ovulation & Pregnancy ★4.6 Easy Period Calendar ovulation ★4.3 Period Calendar Tracker ★4.5 Clover-Period & Cycle Tracker ★4.5 Ovulation Calendar & Fertility ★4.8 My Period : Period Tracker ★4.5 Period Tracker - Cycle Tracker ★4.2 Menstrual & Ovulation Calendar ★4.1 Period Assistant ★4.0 Period Calendar Period Tracker ★4.9 LadysCalendar (Period) ★4.0 Period Tracker Period Calendar ★3.7