Hello, we are working on multiple platforms android, ios and web
We are providing Android, iOS and Web application and Website with design.
What you have to do:
=> Write your functionality that you need in application.
=> In which platform you need the application.
=> If you have any reference application which is help me to understand your application features, you can give me it.
=> if you can make rough sketch of screen of your application, that is much better for me get what you need.
Note: Pricing is depending on the functionality and complexity of the application that you need.