No, my paid videos also work. The only limitation (vs Amazon devices) I'm aware of is that you can't download videos to play later. I've seen people claim that

No, my paid videos also work. The only limitation (vs Amazon devices) I'm aware of is that you can't download videos to play later. I've seen people claim that there are SD/HD issues, but I haven't noticed (though, to be fair, a lot of my usage has been watching an SD TV show, so...).