The best thing to do is to get a quote for about there are hundreds of companies in the development of application and freelancers who would be happy to give you a quote for the cost of developing Facebook applications.
Facebook Developer : The app quoted several sources, understanding how an application should reasonably cool and then deliver the most suitable candidate in the project that is capable of doing the job and does not charge for the right price.
Cited that the applicant's request is a very simple process
Almost every company has separate applications a site your name, email address and provides a box where you can enter the details on the type of application developed.
As soon as you send these details, examine them and return to the address of an email with your answer in you saying how much time and money to develop an application.
Facebook apps are the best way to attract visitors and customers to your company and in the majority of cases, it is viral effect where applications are installed successfully little inspire others and spread the word.
Complete the work within your budget, however, is the most important, and if you take quotes from price of various resources, it would be very easy to choose the right of the company or individual work know your business and engage your market with a great application for Facebook.