We asked seven UI designers, developers and entrepreneurs what mobile and web app UI design tricks they learned the hard way, or happened to pick up through the course of their careers.

Web apps, obviously, benefit from a huge selection of tools, frameworks, and extensions. Several cross-platform mobile application frameworks are using HTML for UI design, and even desktop apps can ...

Microsoft has been implementing a major design ... The UI Fabric is Microsoft's set of tools for developers using the React JavaScript library to build user interfaces for web apps.

UI design deals with the visual elements and how users engage with them. Both are critical for building an app that resonates with users and keeps them engaged. If an app is difficult to navigate ...

At the Google I/O 2025 developer conference, Google launched Stitch, an AI-powered tool to help design web and mobile app front ends by generating the necessary UI elements and code. Stitch can be ...