Hello, I am 6 years involvement in this field with more than 100+ applications on play and apple store and I can help you witH Android and IOS both application if required.
For my worksample please visit my portfolio/profile and even you can message me for the same.
Tell me the application in detail or share in the event that you have any wireframe prepared for this, with the end goal that I can enter my recommendations.
Would be anticipated to hear and start soon.
Much appreciated
Hemant