Text to Speech is becoming more and more wide spread in applications, mobile or not. This technology allows interaction of the application with the user on a much more personal level. It allows users to receive information without having to take their eyes off whatever they are doing. Text to speech has many different applications in many different types of software, so text to speech enable your app today with iSpeech!
API reference : http://www.ispeech.org/api#tts
List of languages : http://www.ispeech.org/api#tts
[prompt] api : ispeech key : (your API key)