I’ve used several Chromecast apps with my iPad, and one of the most reliable options I’ve found is Streamer for Chromecast. It connects easily and has minimal lag, making it a smooth experience for casting videos or mirroring your screen. While you're setting things up, if you ever need to browse privately while casting or doing other tasks, here's a useful guide on how to turn on Incognito Mode on iPhone, iPad, and Mac: https://setapp.com/how-to/turn-on-incognito-mode . It's a helpful tip for keeping things private!