I have Read your requirement let me know if we can have detail quick discussion.
I have 5+ years of experience in Xcode IDE(Objective-C), Swift, Eclipse IDE, Android SDK, ADT Plugin, Java Programming, JSON, XML, Utility APIs, MySQL and SQL server database, super level UI design and much more.
I can handle both app side as well as beckend please share the app as well as backend details.
Please come to chat for detail discussion.