580 mock to 710 using TTP

Strengths:

1) Simple and clear explanations on conceptual topics
2) Personalized learning plans
3) Flash cards, diagnostic tests, custom tests based on weaknesses

Would make the product better:

More questions overall and maybe the ability to emulate an official mock exam.

I highly recommend TTP to prepare for the GMAT. It may take some time to complete everything but it's worth spending the effort to do all the missions including all the practice tests. Additionally, the team at TTP are highly approachable and will help you with any queries regarding your preparation.

Highlights: 1) Clear explanations of concepts in both quantitative and verbal reasoning, along with video guides on approaching questions

2) Effective notes on exam strategies, including time management, question approaches and eliminations, and more

3) Custom and diagnostic tests to help you attack weaker areas of your preparation and dial in your score.

4) Huge question bank of problem solving, data sufficiency and verbal questions. By the end of it, I wished for even more questions to be available!

The one drawback or consideration i would make is that, along with TTP, I did solve a lot of official guide questions and historical GMAT advanced guide questions for more practice. Whether or not this is necessary comes down to your personal preparation and ability to afford additional material.

Kudos!