Editors' Note: 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.
With Inventions Calendar for iPhone is a very intuitive and easy to use interface that shows you a 1 a day calendar with a fun and interesting fact about inventions for the day. This is a very fun application and is great for general knowledge and trivia. It features daily data entries, easy to use interface, browse through any day of the year, search by year, search by keyword, and look up what invention was created on your birthday.