Dear
With 4 years experience in native mobile apps and web backend with Restful APIs , we can built your project from the ground up.
iPHone application + hostend Backend for Admnistration + API for Restful webservices
we have an Android and WP8 teams also , and 2 professional designers
I checked the 2 applications , I see your view about this project. I can help you tweak / add features and functionalities .
Please check our services , we'll not disappoint you Sir
Sincerely