Good set of questions and difficulty

Strengths:

Collection of questions and scoring algorithms

Would make the product better:

Increasing number of sectional test

For anyone preparing seriously for the GMAT Focus exam, GMAT Club Tests are a near-essential resource, and they largely justify their strong reputation. The quant question bank is the main draw. The questions are demanding and consistently more difficult than what you'll encounter on the actual exam, but that's precisely their value: training against a tougher standard builds the accuracy and stamina that pay off on test day. The questions are also concept-driven and replicate the subtle traps GMAC is known for, rather than being difficult for its own sake. The explanations are a genuine highlight, frequently enriched by community discussion that surfaces alternative solution methods and useful shortcuts.
The verbal section is comparatively weaker. Some answer choices feel debatable, and a handful of questions don't quite match the style of the real exam, so the platform is best treated as a quant and Data Sufficiency tool while reserving official material for verbal practice.
On scoring, the algorithm is calibrated to official percentile patterns, and most users find their results track closely to their eventual exam performance, which makes the feedback trustworthy. The recent TestsPro update reportedly mirrors the Focus adaptive logic more faithfully than earlier versions. That said, the adaptivity isn't flawless — the harder questions tend to appear unusually early, and the question sequence can feel repetitive across attempts, so it doesn't fully replicate a true adaptive experience.
The analytics round things out well, with detailed timing, accuracy, and difficulty breakdowns that make diagnosing weak areas straightforward.