Useful & Convenient

This app is good for logging your periods each month. It sends reminders when to expect your next cycle a few days ahead and reminders when youre late (or forget to enter a cycle - which is helpful). Its especially nice to be able to track irregular months. You can also input descriptors like which days of your cycle are heavy or light.

SciFi Chick about iPeriod Lite Period Tracker, v3.7