Mobile app development involves the creation of software applications specifically designed for mobile devices like smartphones and tablets. It includes various stages, such as planning, design, development, testing, and deployment. Developers use programming languages like Java, Swift, or Kotlin, along with development tools and frameworks, to build apps for iOS and Android platforms. The goal is to create user-friendly and feature-rich applications that meet the needs of mobile users. Mobile app development harnesses the power of mobile devices to deliver innovative solutions and enhance user experiences.