One usually wants to know how much it will cost before requesting a web application from a developer company. However, without knowing all the project details, it is not possible to name the final price. The cost of web app development depends on many variables, including their complexity, front end development, characteristics, prototyping, building, redesigning, or migrating web apps. Without examining all details, no development company will ever name you the full cost of a custom web app. Furthermore, during web app consulting the price can change more than once, particularly in the case of large, complex projects and custom web app developments.