From: Speech Technology - March / April 2011 - page 16

Loquendo and TBoxapps.com have teamed up to provide PredictAble, a new
assistive technology application for the iPad, aimed at anyone who has
difficulty using his own voice to express himself. It comes with nine male
and female Loquendo text-to-speech voices in US, UK, and Australian English.
Users key in their messages and press "Speak". All nine available voices can
be adjusted for speed and pitch according to the user's needs, and they can
be made to read out messages by means of several access methods to suit
people's physical abilities: multiple keyboard layouts, touch-anywhere
screens, or switch access. Email also can be sent directly from the app.

Source:
http://www.speechtechmag.com/Articles/Editorial/FYI/Sound-Bytes-74037.aspx

Links:
Loquendo
http://www.loquendo.com/en/

TBoxapps
http://tboxapps.com/

PredictAble on iTunes
http://itunes.apple.com/gb/app/predictable/id404445007?mt=8&affId=1907936&ign-mpt=uo%3D4