Abilipad app (iPad; regularly 19.99) is reduced to 9.99 today (always a mystery how long this reduced price will be!). This app provides tools to customization the keyboard layout with pictures, text, key size and color. Other options available to support reading and writing includes word prediction, text to speech and ability to create a writing environment with those features. It is a great app for customizing the writing environment.
Great app to have in your app arsenal to support writing!
More for your OT mTool kit!