Apple added quick reply functionality for the Messages application to OS X Mavericks, so it's a shame they didn't do something similar for the Messages application in iOS. Fortunately, for those that jailbreak, there are always options.
iOS developer Bensge and graphic Designer Surenix have just released auki
, a new jailbreak tweak that brings quick reply, quick compose, and other new features to the Messages application in iOS 7. The auki jailbreak tweak was announced yesterday at WWJC 2014
Shown above, you can see what auki looks