Weekend hack 'Duo-Man' turns Apple's foldable into a virtual Walkman, spawning an early dev scene
APPSO · wechat · 2026-10-17
APPSO profiles the emerging iPhoneDuo dev scene. Developer Bhargava's hackathon project 'Duo-Man' turns the foldable into a virtual Walkman — opening the device acts like opening a cassette door, complete with real button sounds, tape hiss, and Apple Pencil tape-rewinding. Its demo video hit 2.2M views on X.
Other devs are building fold-state-aware apps like calorie trackers and AI pen-pal language learning. The piece covers the setup path: Xcode beta, the Duo simulator, AI-generated SwiftUI code, and the open-source iphone-duo-skill, plus ecosystem concerns — a roughly one-month adaptation window, iOS 27.0 recompilation and mandatory LiquidGlass support.
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