Proloquo2Go (US$189.99) is the most fully featured augmentative and alternative communication device (AAC) we've yet covered. It provides iPhone, iPod touch or iPad owners who do not have the ability to speak well enough to be understood (and that number is estimated to be 2.5 million Americans alone) a fully functional and quite customizable solution that rivals stand-alone devices that can cost up to $8,000. This is a universal app and as such takes full advantage of the iPad screen. It's really quite a marvel. Its developer,
