App to connect ipad to macbook as a mixer

I am actually hoping for someone to come up and say that there is one. But I couldn’t find it. Wouldn’t it be perfect to have an iPad app that connects to MacBook wirelessly and works together as a fullscreen mixer while we select tracks and have the audio output from the MacBook? even the normal iPad app could work like that as a remote control. Just like we control the Spotify on MacBook from our phone apps…