How to Redeem App Store Promo Code on iPhone & iPad
Step #1: Launch App Store on iPhone/iPad.
Step #2: Tap on the Apps.
Step #3: Now scroll down to bottom and tap on Redeem button..
Step #4: Now type in the promo code to download the app.
Follow the above listed easy steps and redeem promo code to download an app free. If you are a developer, don’t forget to payback by offering some promo codes to other developer friends.