Factoidium puts over ten thousand facts in the palm of your hand! Simply enter a word and Factoidium will give you a range of facts on it. Covering many subjects such as History, Science, Popular Culture, Politics, Religion, Nature, Geography, the list goes on.

Sidenote: At the time of posting this program has been marked as beeing freely available without any costs. As this program is hosted with the AppStore the status might change. Authors like to publish their programs for free and / or for promotion purpose and then start charging.

http://appshopper.com/reference/factoidium