HELP – GhostTalk Review

Tried to go to developer website, nothing is there. Downloaded this app went to use it & nothing. It keeps messaging that the microphone needs to be enabled but when I go into my settings, privacy, microphone, the app is not listed in there as requesting permission to use my microphone so I can’t turn it on...how do I fix this. Please advise if it’s useless.
Review by Moon13Shadow on GhostTalk.