Does anybody use the Budget Planner?

I've just finished my training in personal finance. Need to get out of credit card debts and start investing something for the future. My mentor says I need to have a Budget Planner installed. I currently found this Budget Tracker https://fas.st/H9edG but I am really interested if anybody is using it too? Does it help? To me it seemed quite efficient, I expect to save at least 15% this month.