Taking One test a day for 26 days, one can get the magical score of 50.It has amazing analytics to gauge one's strengths and weaknesses.
It has some 1500 questions of varying difficulty. With the world-class analytics, this platform is the best for Quants. It pin-points your strenghts and weaknesses, so that you work on them. After all, that is what one needs to crack the GMAT Quants: Play to your strengths and work on your weaknesses. All the questions are answered by Bunuel, and alternative approaches are discussed on the forum with exquisite details. Reviewing each and every question and making your own quizzes for the weak areas comes in handy.
After the end of 1500 questions I felt much more confident in Quants.
However, for some reason my score was varrying between 48-51, which doesn't happen with the actual GMAT algorithm.
Having said that, the interface, the analytics, the questions and the solutions are worth the time spent.