GregMat
Founded in 2013, Brain Sensei is an online project management exam prep platform best known for its unique story-based, animated learning approach set in feudal Japan that helps candidates prepare for PMP, CAPM, and other PMI certifications through engaging interactive content and realistic practice exams.
We may earn a commission if you enroll through our links — at no extra cost to you. It never affects our rankings. How we make money.
- +Extremely affordable GRE prep with strong community support
- +Clear strategy-focused lessons
- +Highly effective for self-motivated learners
- −Minimal platform polish
- −Limited adaptive technology
- −Relies heavily on self-discipline
Read next
Standardized Test Calendar 2026–2027: Every Major Exam Date
Plan ahead with the complete standardized test calendar for 2026–2027, covering SAT, ACT, GRE, GMAT, LSAT, and MCAT exam dates.
Graduate School Exams Compared: GRE vs GMAT vs LSAT vs MCAT for 2026
Compare GRE, GMAT, LSAT, and MCAT exams to determine which is right for your graduate school journey in 2026.
Is Kaplan GRE Worth It? A 2026 Review
Evaluate Kaplan GRE's value for 2026 applicants. Pros, cons, and alternative courses analyzed for effective GRE preparation.
Is Magoosh GRE Worth It? A 2026 Review
In 2026, Magoosh GRE remains a top choice for many students, offering affordability and flexibility. But is it the right fit for you?
Not sure GregMat is the right fit?
Take the 2-minute matching quiz and we'll rank three platforms against your specific exam, budget, and timeline.
Take the matching quiz →