Where to study for the GRE

ETS POWERPREP Online practice tests

Official · web

Price

Free. POWERPREP PLUS tests are extra, sold one at a time

Free to use

Two full-length practice tests in the real test interface, with scores, answer keys and sample essays

This is the closest you’ll get to test day, and it’s free with an ETS account. Take one early to find your starting point and save the other for the last few weeks. Taking Test 1 untimed means no Verbal or Quant score. POWERPREP PLUS adds three more tests with explanations.

Checked October 2026

ETS Math Review and essay topic pool

Official · PDF

Price

Free

Free to use

The full Math Review for the Quant measure, the math conventions guide, and every possible Issue essay topic

The Math Review covers all the math the GRE tests, from arithmetic to probability, with practice and answers. ETS links each topic to free Khan Academy videos. Your essay prompt comes from the published Issue topic pool, so it’s worth reading through.

Checked October 2026

ETS official prep books

Official · print and ebook

Price

Paid. ETS shows the price for your country when you buy

Free to use

Nothing free, but the Official Guide comes with the two free POWERPREP tests

The Official Guide to the GRE General Test, Third Edition, has real questions and four practice tests (two in the book, two online). The Verbal and Quant Practice Questions books, Volume 1, add hundreds more real questions. ETS also sells ScoreItNow!, which scores practice essays instantly.

Checked October 2026

Magoosh GRE

Course · web and app

Price

Premium: $149 for 1 month or $179 for 6 months. $219 with 12 months of admissions help

Free to use

A 7-day free trial, a free vocabulary flashcard app, and free study schedules on its blog

Video lessons, more than 1,600 practice questions and up to six practice tests. The Premium plans come with a 5-point score guarantee, and plans don’t auto-renew. Its GRE Vocabulary Flashcards app has 4.8 stars from about 11,000 ratings on the App Store, and 4.6 stars from about 21,500 reviews on Google Play. Discount codes come and go, so check the price before you buy.

Checked October 2026

Manhattan Prep GRE

Course · web, live online, app

Price

On-demand course about $299 to $499. Live online course about $1,399 to $1,599. Six practice exams for $199

Free to use

A full-length practice test, vocabulary flashcards and the mobile app, with a free account

Known for its detailed strategy books and live classes. The app has 4.7 stars from about 1,700 ratings on the App Store; it’s free to download, with subscriptions inside the app. Some reviewers say its practice questions are easier than the real Quant section.

Checked October 2026

Kaplan GRE

Course · web, live online

Price

On Demand $299 list. Live Online $1,099 list. Both were 20% off with a code in October 2026

Free to use

A free full-length practice test and a free class trial

On Demand gives you video lessons and practice to work through yourself. Live Online adds scheduled classes with a teacher. On Demand Plus, with 40+ extra hours of lessons, is $799. Kaplan runs promotions often, so the price you pay may be lower.

Checked October 2026

The Princeton Review GRE

Course · web, live online

Price

Self-Paced listed at $499. Fundamentals live course $1,199. 162+ course $2,399. Tutoring from $1,800 for 10 hours

Free to use

Free practice tests and events on its site

The Self-Paced course has eight full-length practice tests and more than 3,000 practice questions. Fundamentals adds 24 hours of live teaching. Courses come with a score-improvement or money-back guarantee, so read the terms before you buy.

Checked October 2026

GregMat

Course · web and YouTube

Price

GregMat Plus $11.99 a month. $14.99 a month with PrepSwift review videos

Free to use

A full-length practice test (beta), Verbal and Quant diagnostic tests, a starter study plan and Vocab Mountain, plus free videos on YouTube

A low-cost subscription. GregMat Plus gets you daily study plans, live and recorded classes, practice sets and essay practice. Good if you want structure without paying for a big course.

Checked October 2026

Khan Academy

Video · web and app

Price

Free

Free to use

Everything

Khan Academy isn’t GRE-specific, but ETS points to its videos for every topic in the GRE Math Review. Good for brushing up on algebra, geometry and probability. Some videos go further than the GRE needs; trigonometry, for example, isn’t tested.

Checked October 2026