In a blog post, David Smith discusses the challenges of getting good maps on the Apple Watch version of Pedometer++, version 8 of which shipped last month. “App design on watchOS is a really fun—but frustrating—challenge. You are designing for a relatively tiny screen, which must be operated one-handed. In this case, I want the user to be able to read the map and use it to navigate, while also having access to other workout-related information.” It involved years of iterative design, and a cartographer hired to create a custom base map layer.