Audio software on mobile needs to feel both powerful and inspiring. I design interfaces for music apps, synthesizers and audio tools that use a retro-futuristic aesthetic—think 80s synthwave palettes, neon gradients on dark backgrounds, and chunky, tactile-looking sliders and knobs. This visual style isn’t just nostalgic; it provides clear visual hierarchy in a complex control environment. A dimmed background makes colorful interactive elements pop, helping users focus on the parameters they’re adjusting. The deliverable is a comprehensive Figma file containing all core screens: the main instrument or mixer view, a preset browser, settings panels and any tutorial or onboarding sequences. Every interactive control, from a virtual keyboard to a waveform display, is designed as a reusable component with multiple states (active, disabled, touched). I include a clickable prototype that mimics the interaction of turning a knob or sliding a fader, giving a real sense of the app’s tactile feedback. A full UI component library is documented for developers. This design direction suits apps that want to stand out in a crowded market. It appeals to producers and hobbyists who appreciate gear culture and the distinct visual language of classic hardware. The interface needs to be functional first, with legible labels and logical grouping, but the retro styling makes the creative process more enjoyable. I study the usability of modern digital audio workstations alongside the iconic layouts of vintage gear. This service is ideal for developers building the next generation of mobile synthesizers, drum machines, or podcast editing tools, providing them with a distinctive and highly usable visual foundation.