What Are The Top Mobile App Development Trends of 2019? There has been a constant growth in mobile app development in the past few years, and 2019 shall witness the same trend as new perspectives and opportunities open up for the growth of business ideas. And with 5G network trials gaining pace, the realm of app development is only going to see some big changes. Here we look at the top mobile app development trends of 2019 that are going to bolster the position of enterprises to remain among the frontrunners.