XSavvy

Calculate how much you spend see if your balance is negative or positive. See your customizable categories on a graph at the same time. XSavvy expense tracker will instantaneously add it to the pie chart. All items can be edited or deleted by a swipe.
Since it is a rather simple app, it also doesn't require anything from you. All you need to do is to enter your purchased items.
It might also be much simpler notebook than other apps for keeping the costs of stocks or trade items like crypto currencies.
Always be aware of where your money went with XSavvy.