In this fast-paced world, convenience is king, so the on-demand delivery market is booming. In fact, it is expected to reach $285 billion by 2025. This growth is driven by the increasing demand for convenience and the growing popularity of e-commerce. If you want to get in on this growing market, you can build an app like Mrsool. It is a popular on-demand delivery app in the Middle East that allows users to order food, groceries, and other items from their local businesses.