Mobile applications, commonly known as apps, are software programs designed to run on mobile devices such as smartphones and tablets. They provide users with various functionalities, from social networking to productivity tools, enhancing the overall mobile experience. These applications can be downloaded from app stores like the Apple App Store or Google Play Store. Mobile apps can be categorized into different types, including native, web, and hybrid apps, each serving unique purposes and user needs. Their popularity continues to grow as they offer convenience and accessibility on the go.