The Gamma Project has released AnyMoney HD 1.0, their all-in-one multi-currency converter and calculator for the iPad. Perfect for managing expenses while traveling the world, AnyMoney HD offers the easiest way to manage foreign currency conversions.
iPhone and iPad apps tagged "foreign currency."
Moneypedia: an Encyclopedia of Foreign Currencies
Moneypedia is a new world currency encyclopedia created by Bokan Technologies that features in-depth information on a variety of currencies from five continents. Now you can discover the historical significance of what is pictured on a whole host of different foreign currencies right from the convenience of your iPhone or iPod touch.