https://www.youtube.com/watch?v=6LO7h1YIMv4 - here’s an example of the box I was talking about - that same channel also has reviews of good antennas. That, the antenna, and a Roku with the above mentioned apps should be all that you need - they have costs, but just one time costs, then no monthly bills.
Antenna man is THE MAN! He knows TONS about antennas.