Messages+ has got to be one of the best messaging clients for iOS!
Messages+, if you're unfamiliar with it, comes for free with every download of IntelliScreenX. It is a direct competitor with iRealSMS and biteSMS because it attempts to build upon the foundation of the Messages application to make text messaging more intuitive and fun to use. Messages+ is by the developers over at Intelliborn
, the same people that brought us IntelliScreenX, IntelliScreen, MyWi 5.0, TruPrint, and