Integrate InAppKit for in-app purchases in iOS/macOS SwiftUI apps. Provides subscription management, paywall UI, and purchase gating. Use when: (1) Adding in-app purchases to a SwiftUI app, (2) Creating subscription tiers (monthly/yearly/lifetime), (3) Gating features behind purchases, (4) Building custom paywall UI, (5) User asks about InAppKit integration or subscription setup.
InAppKit is a SwiftUI framework for in-app purchases with declarative configuration.
Tuist (Project.swift):