iPhone App - Similar to Jack'd and Grindr (Gay Dating Apps)

We are looking for a quality developer who can quickly deliver a quality iPhone and Android app (and backend) that has the same functionality as Jack'd and Grindr (gay dating apps). We are also web developer & designer and we will provide an accurate document that shows what we need. All design and structure will be Provided. You must have App Development Experience. Please specify: • Your previous experience and other similar apps you have created. • Whether you have downloaded and tested Grinder and Jack’d. • Approx length of time it would take to develop / test / go live. • Your technical method (code, how data would be passed to the back end etc) • Specify whether you will be customizing existing source code or developing from scratch • Why you think your services are better than competitors Key functions: • Location based ability to view profiles of those closest to you • Inbox/Outbox • Search locations (ability to search cities around the world using a map and search) • Upload Pics and Private pics to a user's own profile • Upload short (under 10 sec video clips) to a user’s profile • Ability to have a message conversation one on one with another member • A very clean, well documented and scalable code, that allows us to implement new functions in the future • Built in advertising (iAds, Google Ads) • Push notification • Dynamic menu • App needs to be robust, fast and able to cope with a sudden increase in membership. • For iPhone/iPad ios7 and android. Details will be revealed to winner only. If this project is successful, we have other apps we want to develop and will hire the freelancer for those projects as well.