What I Learned Building an App

In case you missed it, I built the writing app of my dreams. It's called em — as in em dash — and I've been using it for all of my writing for about six weeks now. I think em is pretty great and it's now available on the App Store!Getting to this point has been a journey where I learned so many things about app architecture, Apple's Human Interface Guidelines, and exactly how not to build an app. But hey, I did it anyway and the reality is that you could probably do it too. Without any fanfare, here's what I learned over the last few months putting this thing together:It’s impossible to know all of Apple's features.I mapped out all of the things I wanted em to do and all of the ways I wanted it to feel like a natural and native app. I spent two months dialing in every little detail. Then, watching the iPhone announcement video last week, I saw someone talking about Siri AI and how third-party apps connect with the new API. All of my careful, detailed plans got a last-minute feature…