which one server do i need to take for Android and ASP.NET MVC 5 application?

Hello

My name is Devansh.I have question regarding server actually i m developed a website on ASP.NET MVC 5 and going to deploy it for a startup. I m doing this very first time. but the problem is they also have an android app which will be developed by another vendor and they both will use the same database of MYSQL.

So which one server do i need to take for this scenario.

Thanks