Mobile application development is characterized by several key aspects, including platform compatibility, which ensures apps function seamlessly on different operating systems like iOS and Android. Development involves both frontend and backend processes, focusing on user interface design and server-side functionality, respectively. Key considerations include user experience (UX), performance optimization, and security measures. The use of agile methodologies allows for iterative development, enabling frequent adjustments based on user feedback. Additionally, the incorporation of cloud services has made it easier to manage data and deliver seamless functionality across multiple devices.