A free app for Android, by Stalber Word.

Easy Currency Converter – exchange rates is a free currency converter that allows you to convert any currencies into one another. This tool is designed to be used by both individuals and businesses, and is easy to use and very functional.

You can also check the exchange rates for all the major currencies, including the US dollar, the euro, the pound, the Canadian dollar, the Australian dollar, the Japanese yen, the Swedish, the Danish, the Norwegian, the Irish, the Swiss, the Austrian, the Swedish, the Danish, the German, the Japanese, the Chinese, the Indian, the Thai, the Russian, the Ukrainian, the Brazilian, the United Arab Emirates, the UK, and many more.

With this tool, you can check the current rates for all the major currencies, and it has an in-built calculator to help you with your conversions.