As my mother is deaf she must have subtitles, I was told over two years ago that you were looking in to it,
three years later and we have bought the new smart box......does this have subtitles on sky's live and downloaded progs?
I await your reply before connecting the new box,
Have a read of this article linked below from Sky, you never know there might be some light at the end of the tunnel.
If you are still interested in subtitles on NOW TV, you might like to know a subtitles trial has just been announced. More details here