Payments & In-App Purchases
Apple Pay, Google Pay and Stripe for physical goods and services; StoreKit and Google Play Billing for digital content — with the store rules sorted out before you build.
The first question isn’t which SDK to use. It’s what you’re selling, because the stores decide which payment rails are allowed. Physical goods and real-world services — groceries, rides, appointments, deliveries — are paid outside store billing. Here I integrate Stripe’s mobile SDK with Apple Pay and Google Pay, so most customers confirm with Face ID or a fingerprint instead of typing a card number. The app never handles raw card data: your server creates the PaymentIntent, the SDK runs 3D Secure when the bank asks for it, and a webhook — not the app — marks the order as paid. Digital goods…