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.

Online coupon and promo code maker, App to distribute coupons

Subscription Offer Codes—Untapped Marketing Potential for your iOS Apps

Subscription Offer Codes—Untapped Marketing Potential for your iOS Apps

Welcome to offer codes! – Purchasely

New feature: Auto creation of coupon codes in your Shopify store

How To Market Your iOS App With App Promo Codes

In-App Purchase - Apple Developer

Using promotional codes for your apps: a walkthrough and suggested uses - Windows Developer Blog

Uber Promo Codes

Promo Codes - Joomla LMS - LMS for Joomla eLearning

Managing Promo Codes in the On-Demand Economy : Part 8/8 of the User Journey Series - JungleWorks

How to Set Up and Use Google Pay - CNET

iOS devs can now create custom discount codes for their app