will do mobile app development in IOS & Android based on your requirement. Please find below steps we are following for app development 1) First, we will build pencil sketches of the app, it will work as a mock-up for your app. 2) Then we will develop the design of the app by filling colours in pencil sketches. Like below: https://marvelapp.com/4j2ad4j 3) At last, we will start developing. Intermediately we will send you to the build, so you can review the app and let us know your thoughts. 4) We will help you with requirement gathering of the app to make the app live. You no need to worry about anything. All orders include the source code, so you don't need to pay for the additional. $200 is the starting price for app development. I will make a simple 1 screen app for demo purpose. As per your requirements of the mobile app, the price can vary. 100% Satisfaction. 100% Positive Rating High-Quality Code Great Support Period Level 2 Seller