iReadWrite, $19.99, will be $29.99, text to speech, word prediction, phonetic spell checker, homophone and confusables checker, dictionary, picture dictionary, customizable background and text colors, choice of voices and fonts, importing and sharing documents
Fleksy - free- predictive text input method, tap once lightly approximately where you think each letter is, then swiipe right for space, to change a word or punctuation, swipe down, add punctuation by swiping right again after a space. Not really word prediction but predictive text.
Fleksy - Happy Typing It is reported as being great for individuals that have difficulty typing accurately or spelling, free version have to copy paste text into your applications.
AppWriter brings Dyslexie font, other assistive tech, to iPad By Mary Catherine O'Connor | March 23, 2012, 5:07 AM PDT
iWordQ is an easy-to-use writing and reading application to assist struggling writers and readers. In Writing mode, a simple text editor is used for writing with the support of word prediction, abbreviation-expansion and speech feedback features. Spell-check and dictionary access is included. Use speech recognition with an iPad 3.
AppWriter...Text to speech app that also can has OCR scan ability, word prediction, and has Dyslexie font features which make it easier for people with dyslexia to distinguish the individual letters. This reduces the number of reading errors as well as the effort it takes to read the text. $19.99
Brevity - The Ultrafast Text Editor
PredictAble-AAC functionality to socially acceptable Apple cool features PredictAble sets a new benchmark. By including Word Prediction as well as Switch Access this solution meets the requirements of AAC users.
50 Useful Apps For Students With Reading & Writing Disabilities
Clicker Docs- writing tool that provides differentiated support for students of all abilities.
iMean, $4.99, provides word suggestions with alternative keyboard available and text to speech. Copy text into word processor or note taking apps.
Intellipad, $19.99, word prediction and customizable keyboard, iPad only. Word prediction generated alphabetically. Includes text to speech. Can also customize a math keyboard with math symbols. The key contents can be modified to include words or phrases.
ZenTap, $2.99, word processing with advanced word prediction, with words presented above the keyboard, predicted using an alphabetic rather than a phonetic or grammatical prediction
Typ-O , $9.99 word prediction and text to speech, email or copy to clipboard to transfer to another word processing or note taking app