Request and manage promo codes - Offer promo codes - App Store

You can request up to 100 promo codes for every version of each platform of your app, or for your in-app purchases.

AMSOIL Online Store for Premium Synthetic Lubricants - AMSOIL

Coupon Codes with your Smart Online Order page.

Subscription Offer Codes—Untapped Marketing Potential for your iOS Apps

Redeeming Promo Code (App) : Premium Parking Support

In-App Purchase - Apple Developer

How To Market Your iOS App With App Promo Codes

How to use Promotional code - Eventpop Help Center - English

Redeeming App Store Promo Codes with Launch Center Pro - MacStories

Market your subscriptions with offer codes - Discover - Apple Developer

CREATING PROMO CODES FOR ANDROID APPS AND IN APP PRODUCTS