A handy app to convert between British Pound (GBP) and Russian Ruble (RUB). "Flip" button lets you easily switch between "British Pound" and "Russian Ruble". Exchange rates are updated automatically. You can use the converter offline. It stores the last updated rates so you can easily convert prices without Internet access. You can select the number of decimal places you want to display. By default, the app displays 2 decimal places. Sends results and history via email. Conversion history. The source of the information is the Czech National Bank.