Ava app
I am deaf and I use that and it work great with hearing people much faster communicate well if u can speak but cant read lips even if u are full deaf or whatever it still work great but if cant speak or read lips it work fine cuz u can still type the keyboard all they do is speak near ur phone and u read it that is very simple.
Robby4200 about
Ava: Transcribe Voice to Text, v1.0.12