HomeAppsMedicalFertility CalendarApps like Fertility Calendar Here are some great alternatives to Fertility Calendar by Klimaszewski Szymon : Ovulation Tracker & Fertility ★4.5 Period Calendar ★4.4 Fertility Friend Ovulation App ★4.7 Period Tracker & Fertile days ★4.1 Ovulation Tracker App - Premom ★4.7 Ovulation Calculator & Tracker ★3.9 Period Tracker - My Calendar ★4.6 Ovulation Calendar & Fertility ★4.8 Ladytimer Period Calendar ★4.2 My Period : Period Tracker ★4.5 period calendar & fertility ★4.3 Ovulation & Period Tracker Pro ★5.0 FemX Period &Ovulation Tracker ★3.8 Ovulation Tracker & Calculator ★4.8 Ovulation: Period Tracker ★4.6 Period Tracker Ovulation Cycle ★4.3