With 5+ years experience in iPhone / iPad App development, I have worked for the different iOS app ideas for the clients globally. I have very well knowledge in all the technologies, frameworks, languages, database, payment modules like ObjectiveC, Xcode, HTML5, CSS3, UIKit Google map etc. which can be used in iPhone App development.
I just want to ask some question regarding your App, that i am listing below:-
1. What kind of data you need to input in the app?
2. What are the log in module you need to use in the app?
3. What are the fields you talking about?
Once we start discuss over your idea i can come up with all the solution and better idea to develop best in class app for you.
Awaiting for your kind reply.