I am preparing to take the Hesi exam for the third (I know, I know) time in about 5 weeks. I scored well the first first two times in every subject except for Bio and Chem. (My school does not require A&P.) Needless to say, I am desperate to pass this time! Having exhausted all the free resources online, and not being very good at teaching myself from a book, I stumbled upon this app. I was worried at first that the questions would be ones that Ive already seen on the several sites that offer free practice tests. After reading such good reviews, I decided I would spend the $12.99 and take a chance. If it would help me pass, whats 13 bucks, right? I LOVE THIS APP! Im finding it incredibly helpful and frankly, hard to put down. I am able to customize tests with just Bio and Chem questions, and the app is very thorough in explaining why an answer is correct and why the other options would have been incorrect. I had felt as though I had plateaued in my studies and was really discouraged, but not anymore! Take a chance and give it a try. Im glad I did!