Hello sir,
I have gone through your post for creating a responsive website and an app (It could be android and iOS or only android).
I am the expert Web and Mobile app developer with great experience in the field you mentioned.
I have developed many sites and mobile apps before and have expertise with it.
Skills set -
Objective C, Swift, XCode, Script, Android studio, SQLite, cloud services, firebase, in-app purchase, payment gateways, google API integration, Third party API integration, UI, UX, PHP, SIP, MNV, MVVC, CBD modelling, XML, jQuery, SQL Server, HTML 5, CSS3, JAVA, API, Backend Admin panel, Core and many more.
Inbox me so I can share some of my past work -
I am aiming to form a long-term working relationship and glad to answer any questions you may have! Thanks
Regards