Currency Rates - Converter is basically an application that provides free up-to-date exchange rates information of more than 100 currencies and has various features as well as being a currency converter application.
The rates screen contains favorites along with the most popular exchange rates. With the Favorites feature, you can add / remove from the favorite list as you wish, and you can view the parities you use frequently.
In the charts, you can create a line chart with the weekly - monthly - yearly values of the currencies you want to compare, and you can zoom in on the graph.
With the currency converter, you can convert currencies between the currencies you want by entering the amount.
Also, to view more retrospective historical data, the historical screen lists the exchange rate information by your favourites, as you select a date. Historical data are available for most currencies all the way back to the year of 1999.