I just finished taking the first of their Android Basics courses (User Interface), and I thought it was excellent. The course was free however. I'd be hesitant

I just finished taking the first of their Android Basics courses (User Interface), and I thought it was excellent. The course was free however. I'd be hesitant to pay $200 a month though for the non-free courses. In my opinion, Udacity's courses are high quality, but also expensive.