Not sure about the Chromecast, but I do use the Roku 3 which I enjoy. The Roku 3 has tons of features and is super fast as compared to the other devices. The reason I didn't grab the Chromecast is because it didn't have the ability to carry Amazon Instant Video for whatever reason. The Roku 3 does everything the Chromecast does and more, I would highly recommend it. It does cost more though, was going for $89 on Amazon, they are $99 at Best Buy.