Yes, McGraw is completely free and it doesn't have any in-app purchases or subscriptions.
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McGraw is free.
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Overall, this app is okay, but my one major complaint is that the quality of the graphics for the data interpretation is too low. Pretty much every time I know I'll get at least 3 questions wrong just because I can't see the information displayed properly. It's always frustrating, because I generally can read graphs just fine. It would be MUCH better if there were a way to zoom in on/enlarge the images.
Come on, they give you 6 free practice exams. That's pretty good considering a book that size is $17-$22 new. Some of the answers are wrong and their explanations are contradictory/vague. Ex. Since x = 6 and x = -1, then x is smaller than y = 3, and the answer choice is apparently "X is larger than y=3. Several other mistakes pop up too, like two incorrect graphs (so far, 2 practice tests in) Decent practice material. Terrible for reviewing.
This is a great practice for the GRE, but someone really needs to go through it and edit it. I just took one of the verbal reasoning sections and 4 out of the 20 questions were graded wrong according to their own explanations. They had thing like "Choice A and B" as the correct answers and then went on in the next sentence to say why choice ? Was incorrect. Use it for practice, but don't accept their grading without examining the rationale section.
These practice tests are absolutely awful. Asking about data that wasn't shown, giving laborious set-up for a question that didn't seem to relate, giving explanations that only made the answers more confusing.
For some reason, this app has no reviews or ratings; however, it offers incredible preassessment and feedback capabilities!
