App design is the process of creating the look and feel of an app. App design includes both user interface (UI) and user experience (UX) design. UI design focuses on the visual aspects of the app including the colors, typography, and layout, whilst UX design focuses on the user's overall experience with the app, aiming to create a product that's intuitive and user-friendly. Good app design takes into account functionality as well as the aesthetics to create a seamless and engaging experience for the user.

Designing an app requires understanding both the core purpose of the app as well as the user's needs. Conducting market research and then translating this knowledge into an engaging user experience gives a designer the best chance of success. To design your own app, begin by creating wireframes to outline page elements and navigation. This will then evolve into a more detailed prototype which can be tested and refined based on user feedback, ensuring the final app is intuitive, aesthetically pleasing, and meets its intended purpose.

A good app design is characterized by simplicity, intuitiveness, consistency, and the ability to meet user needs effectively. It employs user-friendly navigation as well as clear and concise content. Aesthetically, a great app design is visually pleasing, whilst ensuring that the design aligns with the overall brand identity. Importantly, a good app design must also account for different devices and screen sizes to offer an optimal user experience. The best app designs are those that users find engaging and easy to use.