HD Video chat for Apple iPhone 5s and more, with Skype for iOS update
The update leads to quicker syncing of messages between devices, and messages can now be received even while the app is closed. Over 250 million users are on Skype each month, so you're bound to find some of your friends using the app. The new version of Skype for iOS is 4.1.7 and is waiting for you in the App Store.
source: Skype via MobileSyrup