iTunes 上的說明: http://appshopper.com/link/awareness-the-headphone-app

--IF YOU ALREADY OWN AWARENESS! PLEASE READ BEFORE INSTALLING V2.1-- TO UNLOCK ALL IN APP PURCHASES MAKE SURE AWARENESS V2.0 OR BELOW IS INSTALLED ON YOUR DEVICE BEFORE YOU UPDATE TO V2.1

看看下面的評論, 似乎有人成功取得, 但也有人被收費了, 有沒有人知道正確取得Free iap的程序為何??
煩請撥空指導一下, 謝謝!