TouchChat HD - Lite for iPad/iPod/iPhone is a non-communicative configuration of TouchChat that allows for the user interface experience for informational purposes but does not include speech synthesis or any type of audio playback capabilities.
TouchChat HD - AAC for iPad/iPod/iPhone is a full-featured communication solution for individuals who have difficulty using their natural voice.
TouchChat HD - AAC with WordPower for iPad/iPod/iPhone has all the features of TouchChat HD - AAC and is bundled with the WordPower series of AAC vocabularies designed by Nancy Inman.
Chat Editor is now a FREE download, replacing the former TouchChat Windows Editor. Chat Editor will allow users to modify or create page sets on a Windows computer and then transfer them to a TouchChat OR Nova Chat device.
iShare is a subscription that gives a TouchChat device access to a large server, through the wireless connection on the iPod, iPhone or iPad.
There are additional vocabularies, language packs, and voices that can be purchased in the Upgrade Store from within the TouchChat App.