While the Google Presentation in this post is intended for working with students who have hearing and visual impairments, some of the apps are valuable for an array of different learners.
This list comes from Teacher Reboot Camp. The suggested apps provide multiple ways for students to interact with various aspects of stories: plot, characters, setting, etc.
"FreeSpeech is a communication tool based upon research in augmentative and alternative communication (AAC) and human-computer interaction, as well clinical insight and expertise in speech and communication disorders." This free app could also be used to support early readers.
A great list of apps for students with special needs. It includes a description, cost, and links. Thanks to Meg Wilson at iPodsibilities for Tweeting this one out.
Fantastic video from Luis Perez about adding alt tag descriptions to images in Book Creator. Between that, audio narration, text, and video, Book Creator may be the ultimate app for reaching all learners.