Period & Ovulation Tracker is described as 'Want to know when to expect next period? Trying to conceive? Then you are in the right place! Get the Lilly Period & Ovulation Tracker application and never get caught off guard by your period again' and is a Period Tracker in the sport & health category. There are more than 10 alternatives to Period & Ovulation Tracker for a variety of platforms, including Android, iPhone, F-Droid, iPad and Apple Watch apps. The best Period & Ovulation Tracker alternative is drip., which is both free and Open Source. Other great apps like Period & Ovulation Tracker are Mensinator, Menstrudel, Periods Date and March Health.