Clownfish Voice Changer For Skype DownloadĮxplore 5 Mac apps like Clownfish for Skype, all suggested and ranked by the AlternativeTo user community.In general - your voice will be modified in Steam, Skype, Hangouts, ooVoo, Viber. It's installed on system level so every application that uses microphone or other audio capture device will be affected. Clownfish Voice Changer is an application for changing your voice.