Hi
I have seen your all the points and it can be done as we have prior experience in App as well as web both.
We are the IT company having 5+ years of experience in App and Web development, App and Web designing, backend, SEO/SMM cloud services, and enterprise solutions.
We have knowledge of 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.
Please come to chat so that we will have detail discussion regarding the requirement, timeline AND BUDGET