Storekit up:: iOS Development This is a fantastic walkthrough: iOS In-App Subscription Tutorial with StoreKit 2 and Swift iOS Sandbox user Snippets // Setup in view @EnvironmentObject private var purchaseManager: PurchaseManager // check if user has purchased lifetime if purchaseManager.hasUnlockedLifetime { Text("Thank you for purchasing lifetime!") } Set up for Preview struct PreviewPaywallView: View { @StateObject private var purchaseManager = PurchaseManager() var body: some View { PaywallView() .environmentObject(purchaseManager) } } #Preview { PreviewPaywallView() }