Hello Sir,
Let me introduce myself first, I am Angel (skype: project4angle) working as Android and iOS freelancer. You can see some of my previous projects in my portfolio.
I read your project requirement and I can provide you perfect solution for this. As per requirement, you are looking for application which is for survey, Here as per my understanding, there will be some questions /optioned answer and user fill/choose that. I can provide you prefect solution for this.
Sir, I would like to discuss more on this before we stat. Let me know your suitable time for discuss.
Regards,
Angel.