A perfect tool to monitor one's ability

I took a mock test in GMAT Prep. I did decently well in the mock and scored around 650. However I knew I had to improve a lot to achieve a target score of more than 720. So i decided i should work on the areas I am weak at. Only at this point of time i realized the tool was helpful only to take mocks and not to analyse one's performance.
This is where Verbal Scholaranium was helpful. It has a lot of features that enables us to clearly analyse our performance.
It also has the option in which our weak areas for the respective sections in verbal (SC,CR,RC) are displayed. The other interesting feature that the scholaranium provides is the separate score for one's accuracy and ability. The ability quiz provides a perfect prediction of one's score and I was surprised to find out that my accuracy was high but my ability was poor. I also realized that I was getting a number of hard questions wrong. This was how the ability quiz helped me to analyse my performance. The Scholranium is a great tool and I would definitely recommend every gmat test takers to use the tool.