Hi
How are you?
As per your reference App i am sure I can help you in this as we are also working on the similar App.
So please come to chat for further discussion.
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.