It seems like its a boring app... It is, BUT isnt chemistry supposed to be boring?? I watch the videos and they do so many examples on EVERYTHING to the point where it really sticks to your brain. Trust me. I bought the videos for $4.99 and honestly, I didnt buy the book for my general chemistry class but if I did, that would have run me at least $150-200 so its pretty obvious what the better option is here. (I know this sounds like a review written by someone that works for the company lol but it really is that good, I got a 95% on my last exam and I have to give a lot of credit to these guys. Buy the videos and youll pass (you have to watch them, obviously, you wont just pass by tapping a button