I have created the first app on iPhone which can dictate the audio file in multiple size and format into text by speech recognition.
In addition, the app can record your voice by 1 hour that help to improve the speed to input .
Please try
The app link is shown below:
https://itunes.apple.com/us/app/down...687650485?mt=8
The website is shown below:
Downright Transcription - speech recognition App for audio transcription