Redeem Promo Codes on your iPhone or iPod Touch
- Open the App Store application on your iPhone or iPod touch
- Tap the Featured Tab
- Scroll to the bottom of the list
- Tap the Redeem icon
- You will be taken to the Redeem page with an input box labeled Code
- Type in or paste the promo code into the box
- Tap Redeem
- You will be prompted to enter your iTunes account password.
- You will see a confirmation page and the app will start to be downloaded.