
SpeechFlow is a multilingual Speech-to-Text API that offers state-of-the-art accuracy in 13 languages, not just English. This is a breakthrough as languages other than English have achieved the same level of recognition accuracy as English for the first time.
Just test it on an audio, pretty accurate on Mandarin recognition.
I don't know about this app, just want to try and tes it. if any further study about it, i will post it and let everybody to know it.