Is Sherwood on Britbox?

There is a show right now on a I guess relatively obscure streamer called Britbox, which a lot of people may have not heard of. And God damn, if those crazy kids over in the UK just still make really good mysteries. This has David Morrissey, Leslie Manville and Joanna Froggett from Downton Abbey plays a Tory counselor running for election. It's basically like murder mystery,. historical drama, political thriller, all rolled into one like it's really great. Six episodes on Britbox. I watched the first one. I thought it was fantastic. Is Britbox a subscription service? You get it out on your Apple TV or whatever. It's like eight