The article explains Apple's 30% App Store commission, clarifies why services like 12306 train tickets are exempt, outlines the definition of in‑app purchases in the App Store Review Guidelines, and details the developer agreements and recent policy exceptions that affect fee structures.
The article explains why Apple’s 30% commission does not apply to the 12306 train ticket app, detailing the App Store’s “Apple tax” rules, the distinction between digital and physical services, and the broader implications for developers and platform policy.
This article reviews a year of payment testing for mobile games, outlining the end‑to‑end payment flow, configuration tips for billing platforms, overseas Google Play integration, domestic Android channel specifics, web third‑party payment challenges, and key takeaways for improving test coverage and user experience.
The guide explains Apple’s four in‑app purchase types, how to create and configure products in App Store Connect, implements the StoreKit purchase flow (including product request, payment, transaction observation, and receipt verification on server), addresses common pitfalls, and introduces NetEase’s NEStoreKit wrapper for easier integration.
This article explains the transition from StoreKit 1 to StoreKit 2 for iOS in‑app purchases, detailing the limitations of applicationUsername, the new appAccountToken mechanism, updated purchase and order‑recovery flows, enhanced notification handling, and references to Apple’s server APIs.
This article explains why and how to upgrade a production iOS app from StoreKit 1 to StoreKit 2, outlines the new purchase flow, compares the two APIs, shares real‑world issues encountered during migration, and provides Swift code snippets and work‑arounds for each challenge.
This article walks through the server‑side implementation of iOS In‑App Purchase (IAP) subscription verification, order creation, and automatic renewal handling using PHP, including detailed code for receipt validation, sandbox/production switching, and processing Apple server notifications.
This article outlines the various payment channels—In‑App Purchase, third‑party, H5, and mini‑program—across iOS, Android, and WeChat environments, detailing their flow diagrams, required API interactions, code examples, and best‑practice recommendations to help developers implement seamless mobile payments.
This article explains how to implement Apple In‑App Purchase receipt verification in a PHP backend, covering required Apple documentation, the verification workflow, detailed PHP code for handling production and sandbox environments, and how to record successful transactions in the database.
This guide walks game SDK developers through Apple’s In‑App Purchase integration, detailing product types, the three‑step purchase flow, receipt acquisition and server‑side verification, order binding and retry mechanisms, duplicate handling, subscription restoration, and comprehensive error handling to ensure reliable revenue management.
This article explains why iOS apps must use the In‑App Purchase API, outlines the configuration and purchase flow, details subscription handling, receipt verification, security risks, pricing models, and common pitfalls for both iOS and Android platforms.
