The "Download Now" link directs you to the iTunes App Store, where you must continue the download process. You must have iTunes installed in order to open the link, and you must have an active iTunes account to download the application. This download may not be available in some countries.
From iLemon Apps:
How old are you today? Regardless of the answer, birthdays are a special day for you and your loved ones.Do you want to know instantly all interesting data about your or somenoe else's birthday?Choose a date and get the following information displayed right away on your screen:- full birth date (weekday included)- time remaining to your next B'day- the day on wich your next birthday will occur- your zodiac sign- your chinese zodiac animalYou can also send these data per email.This is a FREE, ad supported version. An ad free version is also available.