Coster is a free app that allows you to calculate you monthly costs and savings. It's simple and easy to use, and it has a currency converter built in!
How often do you start calculating wheather you will have enough money for those two cool new things? Probably very often. We made a cool and simple app that does the work for you. Just type in your income, daily/weekly/monthly costs, Coster will do the rest. You will get all your costs summed up, and a total remainder calculated. Coster is available in several languages and works with many currencies, converting between them by one tap.