Don't go by the free test. Buy the test pack!

Before purchasing the test pack, I tried the free CAT and ended up scoring a Q50. But my scores in the official mocks did not exceed Q48. I purchased the test pack. The questions now are more adaptive, and the tests are harder around the end. Would recommend the tests to any serious test taker desirous of scoring a Q49+. The interface mimics that of the actual tests. The analytics can be better. There is also a feature where you can input if you have guesseed the answer. But I'm skeptical about the analytics about "guessed answers" as not everyone would be keen on taking the time to manually input tick whether they had guessed it. Overall, it's a good test pack. You should buy it one month prior to the test date and look at taking one sectional a day.