Originally Posted by Heavy Fluid
Not exactly. There are apps like SwirlyMMS that work, or are supposed to. If you don't jailbreak your phone, it is the only way. Once you jailbreak, your options change, such as third party apps.
I know of atleast one Apple app that I have heard positive reviews about from users, called Quip. You don't need to jailbreak the phone to use it, as it is found in the Apple app store. I mentioned it above in this thread.