What mobile apps are the most profitable in 2020? It is the question that interests many people who would like to be involved in such a sphere. It will help to create a relevant product and make a profit after it has been released. First of all, it is the sphere of investments and travel apps. In the article, Profitable Mobile App Business Niches in 2020 author mentions some others too. Service apps (that provide what the customers demand) and fitness and health apps are also gaining popu...