Application of construction costs to calculate and follow up all construction expenses for all stages of construction from the beginning of the architectural design to completion and display them in a simple and easy to use manner. The application is designed in a simplified way to quickly record expenses according to the stages of construction and display them in a very simplified manner, and the application also helps in setting an estimated budget for implementation. It also shows all the expenses that were paid to the contractors such as (the bone contractor, drilling contractor, electrical engineering office, plumber, ………)