Projects
Lead Programmer on first version, Programmer on Pro. Gameplay, GameCenter, client/server networking, JSON messaging to Google AppEngine backend, dynamic content, StoreKit In-App Purchasing, voice, freemium. iOS Universal.
Posts
Cross-Platform In-App Purchases, Store Progression & Automation: Apple StoreKit 2, Google Play Billing, Steam & Epic
November 10, 2026TL;DR: Cross-platform monetization and player progression collapse when game engines treat stores as generic payment switches. Apple StoreKit 2 (signed JWS tokens), Google Play Billing (BillingClient 7+ with mandatory…