There has certainly been a constant upsurge in the emergence of various mobile app companies but you have to choose the right one out of them. It becomes difficult when you do not know the concept, requirements, and needs of your app well. Once you know what you want from your app and what value it will have for your customers, only then look for Android or iPhone app development services. I am sure opinions are never the same and that is solely what I believe is right. If you have something else in mind then do share it here.