An application for keeping a home budget using the popular envelope method, but this time in an electronic version.The application is also available in the web version at https://4grosze.pl.Main functions:- a "zero sum" budget - accurate to the penny- drag and drop interface - slide the account on the envelope to post the expense- possibility of joint budget management- support for multiple budgets (e.g. home and business)- instant sync between devices and people- receipt mode (many items in one entry)- the possibility of posting returns- reports and summariesThe application requires the creation of a user account. There is also a demo mode.When testing, check the mobile and internet application. Mobile is great for recording expenses on an ongoing basis, while the web one is especially useful for planning and analysis; D