iFlash is a superior memorisation tool, based around the concept of flash-card learning. If you want to learn anything, from a foreign language to the Ten Codes that police officers use, then iFlash is for you. It includes plenty of great features to help you study, record audio directly into any flash card, and attach images. Additional features include an infinite amount of card sides per deck, advanced importing and exporting, iPod support, fast searching, and an attractive interface.
