Hands down the way to study for the GMAT

Strengths:

Amazing UX, easy to use and high impact on learning.

Would make the product better:

Can't think of anything

It is the definition of a product being user-centered. It helps you to organize a syllabus and take you through making sure you learn and check all the boxes.
I loved the constant testing of your knowledge as you advanced through the different chapters.
I tried before another ways to study for the GMAT and it didn't work for me, I needed something to guide me through the syllabus and constantly test me, while being able to study ad-hoc. This was the perfect tool for it
This is definetly a MUST if you are planning on taking the GMAT.