How to Legally Publish Outside the App Store: Onside's Experience

Apple has opened alternative app distribution in the EU and Japan—and it's fully legal. Onside went from idea to a live marketplace with 200+ apps. This talk covers the background (DMA, Epic vs Apple), the process of registering a certified app store, Apple's normative documents, and the technical implementation with MarketplaceKit. We'll show the architecture (C4), backend requirements, and code examples.

For anyone who wants to understand how alternative distribution works and what it will take when it becomes available in their region.