The Money Charity Budget Builder is a free, easy-to-use, interactive tool, available on desktop and mobile, which will help you create your own customised budget and then use it to keep track of your day-to-day spending. You can even use it to set up a simple system for organising your money using different bank accounts. You can save your budget and revisit it across devices as often as you like so that it becomes an essential everyday part of your money management. The Budget Builder does all the calculations for you!