Wattbills app is an advance tool that any electronics user can use to calculate and find out how much electronic gadgets consumes current and also the amount of money the consumption would cost . All you need to do its select predefined gadget in the gadget list and specify amount of input watts and the time used to calculate kilowatts per hour of that gadgets or device.To get the exact and accurate calculations the user can double check on his/her gadget to get the accurate watts input fo