App Monetization for iOS Devs: Stop Guessing, Start Earning

TL;DR: Most iOS apps fail financially not because of bad code — but because developers pick a monetization model without validating it first. This guide covers every major revenue model, how to estimate revenue before you build, and a decision framework for matching your strategy to your app's actual user behavior. The iOS App Store crossed $85 billion in annual revenue. Yet the median app earns close to nothing. That gap isn't about code quality. It's almost always about monetization strategy — and more specifically, about developers who design revenue as an afterthought instead of a first-class product decision. Let's fix that. The Metrics You Need to Know First Before you choose a model, get fluent in these: Metric What It Is Why It Matters ARPU Revenue ÷ total users Best way to compare monetization models LTV Total revenue per user before churn Must exceed your acquisition cost DAU/MAU ratio Daily actives ÷ monthly actives High ratio = strong engagement = better monetization Conver