1. I have already bought the book, which includes a code to free app, but I can't find any place in the app to use my code to unlock unlimited access, there is only link to payment, and when I choose redeem code, the provided code doesn't work :( ..... Follow up: I was contacted short after my review of the program support team, who guided me how to unlock the app.
2. Bcuz of this latest technology...very useful for studying especially when in public places.Great app but overpriced.
3. A Q&A book for board examination is much cheaper.Good appWIPVery good book, and neatly made app.
4. Great app, lots of cases you can review, where ever you are.It is very easy to learn improving knowledge.