https://www.theverge.com/2024/5/7/24151109/apple-final-cut-camera-app-support-multicam-ipad
Apple has released Final Cut Camera for iPhone and iPad, allowing filmmakers to take video and stream it live back to an iPad for a multicam shoot. The updated Final Cut 2 app allows users to can control each Final Cut Camera-running device connected to it with a multiscreen view. Users can switch between production and editing anytime to live-cut their projects in the new version.