iRedeemer for iOS is a convenient utility that solve the question : how do I redeem an iTunes Gift Card, iTunes Gift Certificate or any other iTunes code like an AppStore promo code ?
Instead of searching everywhere on the internet and inside iTunes, simply use iRedeemer and enter your gift code/certificate/promo code and iRedeemer will simply take care of contacting the iTunes store with the information you have provided and a few seconds later you will have redeem your gift card/certificate ! It’s that easy ! Finally from the iRedeemer second screen you can send a “thank you” email to your generous donator, or even an SMS.
Here are a few screenshots of iRedeemer :