What’s new in Apple In-App Purchase

// Merchandise pricing terms with StoreKit views

import StoreKit
import SwiftUI

struct SubscriptionStore: View {
    var body: some View {
        SubscriptionStoreView(groupID: "3F19ED53") {
            // Custom marketing content
        }
        .preferredSubscriptionPricingTerms {_, subscriptionInfo in
            subscriptionInfo.pricingTerms.first {
                $0.billingPlanType == .monthly
            }
        }
    }
}

// Get subscription pricing terms and make a purchase

import StoreKit

var product: Product?
// Fetch and assign product

// Get the monthly billing plan's pricing terms for merchandising
let pricingTerms = product?.subscription?.pricingTerms
  .first(where: {$0.billingPlanType == .monthly })
if let pricingTerms {
  let monthlyPrice = pricingTerms.billingDisplayPrice
  let totalCommitmentPrice = pricingTerms.commitmentInfo.price
  // Display both monthly and total commitment price to the customer
}

let result = try? await product?.purchase(options: [.billingPlanType(.monthly)])
switch result {
  // Verify the transaction, give the customer access to
  // the purchased content, and then finish the transaction
}

// Sheet to manage subscriptions by subscriptionGroupID

import SwiftUI
import StoreKit

struct ManageSubscriptionsButton: View {
    let subscriptionGroupID: String
    @State var presentingManageSubscriptionsSheet: Bool = false

    var body: some View {
        Button("Manage Subscriptions") {
            presentingManageSubscriptionsSheet = true
        }
        .manageSubscriptionsSheet(
            isPresented: $presentingManageSubscriptionsSheet,
            subscriptionGroupID: subscriptionGroupID
        )
    }
}

// JWSTransaction (decoded) for a monthly subscription with a 12-month commitment

{
    // …
    "expiresDate": 1783503660000, // for this billing period
    "price": 10990, // for this billing period
    "productId": "plus.pro.annual",
    "purchaseDate": 1780911660000,
    "type": "Auto-Renewable Subscription",
    "billingPlanType": "MONTHLY",
    "commitmentInfo": {
        "billingPeriodNumber": 1,
        "totalBillingPeriods": 12,
        "commitmentExpiresDate": 1812447660000,
        "commitmentPrice": 131880,
    }
}

// JWSRenewalInfo (decoded) for a monthly subscription with a 12-month commitment

{
    // … 
    "renewalBillingPlanType": "MONTHLY",
    "commitmentInfo": {
        "commitmentAutoRenewProductId": “plus.standard.annual”,
        "commitmentAutoRenewStatus": 0,
        "commitmentRenewalDate": 1812447660000,
        "commitmentRenewalPrice": 10990,
        "commitmentRenewalBillingPlanType": "BILLED_UPFRONT"
    }
}

// Sheet to redeem an offer code

struct OfferCodeRedemption: View {
    @State var presentingOfferCodeSheet: Bool = false

    var body: some View {
        Button("Redeem Offer Code") {
            presentingOfferCodeSheet = true
        }
        .offerCodeRedemption(options: [], isPresented: $presentingOfferCodeSheet) {result in
            switch result {
            case .success(let verificationResult):
                switch verificationResult {
                    // Verify the transaction, give the customer access to
                    // the purchased content, and then finish the transaction
                }
            case .failure(let error):
                // Handle error
            }
        }
    }
}