Hey Lance ,
The app of apps that you suggest will get absorbed into the basic operating system of the mobile handset since those companies are also churning out better and better features.
At the end anything that is standalone or not shaking hands with other applications will die out however big it’s user base may be for now.
Out of the 7.5 billion people currently on earth a universal language a universal way of life and universal software will survive.
Everything is pointing in this direction.unite instead of dividing is what is working and you can see that just round the corner.
Look forward to more such thought provoking articles from you,