Table of contents
official documents
In-App Purchase Programming Guide
In-App Purchase Best Practices
Adding In-App Purchase to Your Applications
https://help.apple.com/app-store-connect/#/dev84b80958f
StoreKit
Raywenderlich
In-App Purchase Tutorial: Getting Started
In App Purchases Tutorial: Consumables
In-App Purchases: Non-Renewing Subscriptions Tutorial
In-App Purchases: Auto-Renewable Subscriptions Tutorial
한글로된 관련 참조
스위프트 인앱결제 튜토리얼: In App Purchases Tutorial by Swift
iOS 인앱 정기결제(IAP Auto-renewable Subscription) 튜토리얼
iOS 인앱 구매 (In-App Purchase) 정리 - ObjectiveC
iOS SWFIT - 인앱결제(IN APP PURCHASE)
http://sonagi.creatorlink.net/obj-inapp