Voice Changer - App to change voice gender in real time

I wanted to create an app that can be used to literally change the voice into a particular opposite gender. Be it male voice to female voice or vice versa there would be multiple options for voice presentation. It should replace your voice as a clone voice. So, the person on the other hand would hear a different voice and not the clone voice. This app can be used for making TikTok videos or for pranking your friends and family member as well.