What is Chromecast?
Chromecast lets you stream your favorite video content from your phone to your TV.
Chromecast is supported in our Android and iOS apps for
Chromecast 2nd generation
Chromecast 3rd generation
Chromecast with Google TV
Reference link: https://en.wikipedia.org/wiki/Chromecast
What is AirPlay?
The AirPlay feature allows you to stream videos from Apple devices to your Apple TV, and popular smart TVs.
Airplay is supported in our iOS apps for
Apple TV
LG TV with Airplay support
Samsung TV with Airplay support
and other TVs mentioned here (under "AirPlay-Enabled TVs and Video Accessories").