Mobile App Payment Integration: In-App Purchases and Payment Processing

Payment Options

Choose between in-app purchases (platform managed) or direct payment processing. Physical goods typically require direct processing, digital goods use IAP.

In-App Purchases

StoreKit (iOS) and Play Billing (Android) handle consumables, non-consumables, and subscriptions. They handle payment processing and tax compliance.

Apple Pay Integration

Apple Pay provides fast, secure checkout for physical goods. Implement PassKit framework and handle merchant capabilities.

Google Pay Integration

Google Pay offers similar convenience on Android. Use the Google Pay API for web-style payments within your app.

Subscription Management

Handle subscription states, grace periods, and cancellations. Use server-side validation for subscription status. Implement receipt verification.

PCI Compliance

Use PCI-compliant payment processors. Never store raw card data. Use tokenization and secure SDK integrations.

Testing Payments

Use sandbox environments thoroughly. Test all edge cases: declined cards, network failures, partial refunds. Automate where possible.