There are a large number of App Developers and Mobile App Development Companies present in the market and to choose which one is perfect and suitable for your work is really a difficult task. Before starting the selection process of freelance app developer/app development company analyze your requirement well, and make a complete document of your requirement. This document will be going to help you in the selection process and using this requirement sheet you can get the best quotes for your project.
Make a Flowchart by explaining all the functionalities you want will be a good option for you. This flowchart will be going to help a developer to better understand your need. So because of this flowchart, you will get a price quote and time duration for your project.