“Being there early is something that often gets Apple's attention… Pedometer++ was the first pedometer app in the App Store and for a few weeks it was the only one — it's one of my strategic advantages that I can be there on day one.”

Be First to New Platform APIs — Apple Notices and Features You

David has built a repeatable playbook around Apple platform releases: ship before anyone else, claim the category, and collect the Apple featuring that follows. As a solo developer he can move from WWDC announcement to App Store submission faster than any team, turning the new capability vacuum into a reliable growth engine.