iPhone Giveaway of the Day - Touchable period cycle - period tracker deluxe, fertile & ovulation tracker

Touchable period cycle is unbelievably clear and easy to use.

Features in ONE DISPLAY:
-Length of menstrual cycle, period, and fertile window
-Easily view the number of days until fertile window, regular days, and expected period
-Know when you are fertile with arrow pointing at yellow circles

DELUXE FUNCTIONS:
- Period notification
- Fertile notification
- Automatic and accurate prediction of your period, ovulation, fertility (excellent for activity planning)
- Fine tune your period automatically along the way
- Detection of iPhone time change

METHODOLOGY
Period Tracker for Grownup adopts an improved Standard Days Method, which has a method failure rate of 5% per year .
The symptoms-based methods has a method failure rate of 2% per year. But users need to track basal body temperatures and cervical mucus everyday at particular hour. And since irregular sleep can interfere with the accuracy of basal body temperatures, women who sleep late at night may not be able to use those methods.