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The Whistle Ultra paywall screen features an auto-playing slideshow that walks users through key value propositions. Inside a central phone mockup, simulated UI interactions play out, such as AI workout generation with orbiting icons, slider adjustments, and weather-based planning. As each feature is demonstrated, the header text slides horizontally to match, accompanied by page indicator dots. The bottom subscription card smoothly transitions from a loading state to displaying pricing options, complete with a prominent 'Try three days for free' badge.










