SafeDrive for BlackBerry 10 (from the same developers as SayIt) has received an update to version 1.3.0 bringing not only unlimited number of words that can be spoken, but also a huge addition to supported languages

New in this update:

#SafeDrive now can read unlimited number of words
#Add more than 15 languages with both female and male voice, including: US English Female, US English Male, UK English Female, UK English Male, European Spanish Female, European Spanish Male, European French Female, European French Male, European German Female, European German Male, European Italian Female, European Italian Male, European Turkish Female, European Turkish Male, European Norwegian Female, European Dutch Female, European Polish Female, European Danish Female, European Finnish Female, European Czech Female, Swedish Female, Hungarian Female, Russian Female, Russian Male, European Portuguese Female, European Portuguese Male, Chinese Female, Chinese Male, Japanese Female, Japanese Male, Korean Female, Korean Male
#New voice data which is more natural
#Minor bugs fixed