50$ for your Apple iTunes (Apple Store) account.
Valid with all compatible iOS devices.
To redeem your digital code you have to sign up through a sponsored promotion using your E-Mail and answer a few questions. Make sure to provide real information as only then you can receive the code in your E-Mail.
1. Get the code on your mobile phone
2. Redeem the code at the store
3. You get 50$ balance added to your account