Essential features in a user-friendly mobile application include intuitive navigation, responsive design, and clear visual hierarchy. A straightforward navigation system ensures users can easily find what they're looking for without confusion. Responsive design allows the app to function seamlessly across various screen sizes and devices, enhancing user experience. Additionally, incorporating features like search functionality, offline access, and customizable settings contribute to usability. Fast loading times and minimalistic interfaces focus user attention on core tasks, while providing clear feedback and support options fosters user satisfaction, encouraging repeated use and higher engagement.