ADS Software Group, Inc. has A+ FlashCards Pro (iTunes Link) for the iPhone, iPod Touch, iPad in the iTunes App Store for FREE (regularly $4.99) for a limited time.

The ADS Software Group has researched the best study techniques to design a flash card platform that is easy to use, no matter what you’re learning, and no matter where you are in your learning curve. The platform supports text and images, and has multiple viewing options.

It easy to import sets of existing flashcards from websites like Quizlet.com (one of the largest flashcard websites featuring over 3 million free sets).