Great fertility apps
Pregnancy Due Date & Fertility Calculator, Tools and Baby Kick App, by BabymedLLC
A powerful app that helps you predict ovulation or your due date. It also includes a kicking counter - even for twins - as well as a BMI calcultor to help you gain weight in a healthy way. The app is conceived by a real obgyn, Dr Amos Grunebaum. Free.
A beautifully designed, simple app that tracks your cycles and predicts when you'll ovulate, menstruate and have PMS, based on information that you log with one tap. A great app for any woman. Free.
What to Expect: Fertility
The What to Expect series also offers this app with a personalised calendar that maps out your most fertile days. Also included are daily baby-making tips, access to the What to Expect message boards, and estimated due dates for each day you might conceive.
This website allows you to register and chart your cycles on their website, on your smart phone or tablet, for free. There is also a forum and other useful tools.