iWebTV is a free Android application developed by MunDevelop that allows you to cast online videos to your TV. This app is considered the best casting app as it plays the video on your media player instead of mirroring the screen, resulting in higher picture quality. iWebTV works with Chromecast, Roku, Fire TV, Apple TV (4th Gen), and smart TVs powered by Roku, Fire TV, or Chromecast. It supports HD resolution (up to 4K depending on the device) and offers advanced browsing features such as multiple browser tabs, ad-blocker, and browsing history.

iWebTV also supports live streams and has a movie/TV subtitle library. The app allows you to preview up to 72 snapshots to instantly locate your favorite scenes and queue up several videos for uninterrupted viewing. You can also set your own homepage, bookmark web pages, or videos for easy access. It offers full playback controls from the app or the lock screen after exiting the app. Additionally, iWebTV provides anonymous and private privacy modes.

Overall, iWebTV is a great app for casting web videos to your TV with high picture quality and advanced browsing features.