Solune is a mobile app for sleep, calm, and focus, where a short onboarding quiz about your goals and preferences builds a personalised mix of soundscapes, guided sessions, sleepcasts, and hypnotic visuals you can play, save, and revisit. As the UX/UI designer, I designed the full flow from onboarding and the personalised home feed through the library, player, and history to the profile and subscription, using a calm dark-blue night style with soft gradients and starry visuals that feel restful rather than demanding.