For the first several years of the smartphone era, mobile interfaces leaned heavily on skeuomorphism, the practice of making digital things resemble physical ones. Apple’s early iOS was the most famous example: a notes app that looked like a yellow legal pad, a bookshelf rendered in wood grain, a calendar stitched in faux leather, and buttons that mimicked glossy real-world surfaces. The rationale was approachability; familiar textures helped newcomers understand a brand-new touchscreen world. By the early 2010s, however, the look had come to feel dated and cluttered, and a counter-movement toward flat, ornament-free design gathered force across the industry.
Microsoft moved early. Its “Metro” design language, developed for Windows Phone and carried into Windows 8, embraced flat colored tiles, bold typography, and a deliberate rejection of fake textures and drop shadows in favor of clean, content-first layouts. Metro positioned digital design as its own medium rather than an imitation of physical objects, and it became an influential early statement that screens did not need to pretend to be paper, leather, or chrome.
The defining moment came on June 10, 2013, when Apple unveiled iOS 7. In Apple’s own newsroom announcement, the company called it “the most significant iOS update since the original iPhone,” and design chief Jony Ive framed the new aesthetic in terms that became a manifesto for flat design: “There is a profound and enduring beauty in simplicity, in clarity, in efficiency. True simplicity is derived from so much more than just the absence of clutter and ornamentation, it’s about bringing order to complexity.” iOS 7 stripped away the leather and wood grain, flattened icons and buttons, and introduced translucent layers and motion, an abrupt and divisive reversal of the skeuomorphic style Apple had championed. The redesign followed the late-2012 reorganization that put Ive in charge of iOS software design after Scott Forstall’s departure.
Google completed the trio in 2014 with Material Design, announced at Google I/O. Rather than a purely flat look, Material framed itself as a coherent design system grounded in a physical metaphor of layered paper. In the Android Developers Blog post on the I/O app, Google’s designers explained that “surfaces and shadows play an important role in conveying the structure of your app,” pairing flat, content-forward visuals with carefully controlled shadows, color, and motion to convey depth and hierarchy. Material spread quickly across Android and Google’s products and became one of the most widely adopted design systems in software.
The flat-design shift was as much a cultural turn as a visual one. It signaled a maturing of the touchscreen era: users no longer needed wood grain and stitching to understand a tap, and designers increasingly treated the screen as its own medium with its own logic of light, layering, and motion. The change was not without backlash, with critics arguing that removing visual affordances sometimes hurt usability by making it harder to tell what was tappable. Even so, flat design and its system-driven descendants became the default look of modern software, and skeuomorphism receded to a stylistic choice rather than the industry norm.