Yep, and they are on sale pretty much all the time somewhere. You can get their 4k stick for like $25usd this week.

I used to be a huge firestick lover until I decided to boycott Amazon so I tried Roku and was pleasantly surprised that they did a better job than the firestick.

There's a search option in the main UI as well, to the left of the channels where you would go for settings.