A free app for Android, by Merriam Webster.

Are you tired of spending hours researching foreign exchange rates before making a foreign exchange calculation? Are you tired of converting currencies at the last minute before your trip? Are you tired of always being off by a few cents? Are you tired of using different exchange rates for the same currency when calculating the price of a foreign currency? If the answer is yes to any of these questions, then you have come to the right place.

The developers have made an easy-to-use tool that will make your life easier. With All Currency Converter, you can check foreign exchange rates and convert currencies at the click of a button.