Gumtree Ad Auto Poster App for iPhone and Android

I require an app that works with iPhone/iPad and Android that can auto post ads on [login to view URL] Features must include: * ability to setup campaigns and track them * use a single ad setup form to create an ad for any section on Gumtree, * all ad settings can be entered including ability to add images * setup unlimited accounts for use with campaigns and choose account options. * ability to set up variables * proxy support * ability to delete cookies between each post * ad scheduling - setup ads to be posted on gumtree every Day/Week/BiWeekly/Monthly and at a specific time so that once ads are setup they will automatically be posted at the times/dates specified. * schedule ads to delete and repost ***This is most important * store post history * logging::Region | Category | Ads Title | Account Name | Account Email | Proxy | Post Result | Post Reference | Comment Top app requirements: log-in to gumtree account set up ads with images schedule ads to be posted delete & repost store history The UI should be very similar to the gumtree app UI so that it's easy to navigate. I require full ownership/copyright of the app. If you are able to make this app within the budget, please apply with the following information: *Do you know what Gumtree is and how it works? *How long will it take to deliver the app *What challenges do you think you may have in making this app? *Please advise exactly what further information you require to start work Thanks.