A very special episode with guest Stephen Coyle. Stephen talks us through the development process of Tapt, WordFlash, Hyperbolizer and Déjà, and talks about his download numbers and revenue models for each app. What Apple could do to improve App Store economics. Different strategies for marketing your apps. Musical notation as a programming language. Hackintoshes. iPads Pro and shopping lists. Windows. Server side. Getting things done. Wordsnap redux. ARKit and hardware. App design. Fonts in apps. Working in your head but not in Xcode. Dave and Baz reminisce. Latex. HomePod.