Currency and gold price and exchange in one app, you can keep up-to-date updates more than 155 Gold Karat coins and metals of 24 to 10 carats, silver, palladium and platinum you can trade from your Central African CFA currency to and from over 155 currencies so easy You can enter Metal Weight in grams to calculate the Gold Karat price of 24 to 10 carats, Silver, Palladium and Platinum in one click for all you can use this app so easy Characteristics Very light does not consume space Very easy