I'm a newbie to Ruby on Rails but so far the most convincing part was Devise for auth. There's nothing closer to anything out there for other platforms I guess. Ruby is a great language but I feel like it's not that glittery when I looked it from the outside. My main complaint so far is to make rails work nicely with some of the jQuery stuff. It's still a hard fight to find a right datepicker that's modern enough. Couldn't believe it's almost 2016 and I still couldn't get a decent datepicker to work nicely with Rails :(