Develop a Webview iPhone App for our website

We are looking to have a very light weight iPhone App which can give a webview of the website. Following is simple requirement: (1) App should show a nice screen at the time of App launch (2) App should get all the files directly from our website [login to view URL] which is already mobile ready website. (3) Only first screen, a kind of image will be shown after the launch. This screen will have link to [login to view URL] of the website so that if use clicks on the screen then he will land on the website. (4) App should be ready to compile and upload in Apple Store We already have an android app developed which can be downloaded and seen from the following location. A replica needs to be created for iPhone. [login to view URL]