The site has some good content - not great as you'd probably think of lots of stuff (many, many comedies for instance) which could be great on here. I suspect the PC brigade have probably stopped many of them being shown.
The app is awful with programmes erroring if paused and, the worst part, the need to activate with a code everytime it's used. I wouldn't bother until they add a bit more content anyway - it's okay if you like Downton and Dr Who and can put up with the appalling application