Today, there are more than 2 million apps available for download for both Android and iOS users. The mobile app industry is growing at a great pace. By the end of 2023, the mobile app market is projected to generate around $950 billion in revenue via paid downloads and in-app advertising. These figures excite the young entrepreneurs. They know if they have a start-up idea with small funding, they can invest in a mobile app to introduce a revolutionary concept. It could be a mobile game or a l...