I just installed this app and it is very nice. The UX is very clean and whatever I say it transcribes it correctly. In fact I'm transcribing this comment with this app just now.

I am using Whisper Medium. The only problem I see is that at the end of the message it sometimes puts a bye or a thank you which is kind of annoying.

I am all ready to believe that with LLMs it's not worth it trying to be too coherent: I did successfully use LLMs to make sense of what incoherent-sounding people say. (in text)