Create in-app products and promotions

Create In App Purchases for iOS - AppPresser Docs

How Much Money Can an App Make? – NIX United

Promoting your in-app purchases - App Store - Apple Developer

How to create and configure in-app subscriptions on Android - DEV Community

Promote in-app purchases - Configure in-app purchase settings - App Store Connect - Help - Apple Developer

What are Custom Offer Codes and how to set them up in the App Store Connect – FiveDotTwelve – App Development Company

WWDC23 and What's New in StoreKit 2

Mobile App Marketing Costs: How to Plan Your App Marketing Budget - BuildFire

How to Set Up, In App Purchasing

iOS - Creating In-App Purchases for Subscriptions – Mag+ Designd Support

Create in-app products and promotions

App Store: 5 must know tips to improve your visibility and conversion

iOS - Creating In-App Purchases for Individual Issues – Mag+ Designd Support

Implementing promotional offers in your app