Currency Converter is a free app that provides rate exchange information for more than 180 world currencies and 4 metals. You can specify a list of currencies that the app will display in detail on its dashboard. The app also provides detailed information about cryptocurrency exchange rates and simultaneously converts multiple currencies. In the live mode, Currency Converter provides real-time exchange information. Its offline mode lets you avoid roaming fees. The search function makes it easy to add new currencies and the app can be moved from the device's memory to a micro SD card. App compatibility varies across devices.