A multitude of free GRE practice tests are available on the internet. However, discerning the practice tests that best emulate the actual GRE exam is of paramount importance. Practicing on a substandard and imprecise test can result in deductions on the actual exam. Therefore, identifying credible practice tests is essential for effective preparation. It is imperative to exercise caution while selecting practice tests for GRE, as it can significantly impact your performance on the actual exam. A comprehensive and rigorous practice test is instrumental in sharpening your skills and equipping you to perform to the best of your ability. It is therefore recommended that you choose practice tests that are designed to emulate the format and structure of the real test.
By selecting high-quality practice tests, you can ensure that you are well-prepared for the GRE. Choosing a mediocre practice test can have a detrimental impact on your score and ultimately hinder your academic or professional goals. Thus, it is advisable to aim for excellence by selecting credible and accurate GRE practice tests.


1. The Official GRE Practice Tests

The new version of the GRE - see our post for full insights on it Shorter GRE - How score is calculated & the new exam pattern, gives you mainly two tests.

• POWERPREP® Online - Practice Test 1 for the Shorter GRE - FREE
• POWERPREP PLUS® Online - Practice Test 2 for the Shorter GRE - Paid
• RECOMMENDED! Official GRE® Mentor Course + POWERPREP PLUS Online #2 - Paid

Other than the resources above you can exploit the old paper tests. Of course, they are not adaptive and they are on paper BUT the material you practice is still in line with the actual test. You can find them at these links [1]-[2]-[3]


2. The BEST NON Official GRE Practice Tests

The following mocks and question banks are listed below based on their relevance and importance. I.E their rating. This rating is based on the following characteristics.

1. Quality of the questions.
2. Answer why the question is correct and why it is INCORRECT. This is crucial.
3. User interface: friendly and if it resembles the original test, as close as possible.
4. The number of the mock tests
5. IF they suggest you, along with the explanations, alternative approaches or strategies to follow

a. GRE Prep Club's GRE Tests

• 1 Free Test - we hope you like it. Many moderators and experts put their effort into making these stand out.
  
• Special Offer: Get All Tests are free if you make 30 posts in 30 days OR get 20 Kudos
• You also get Free GRE Prep Club tests when you purchase any GRE course worth $50 or more. Any GRE course listed here over $50
• The tests are available in individual sections (Quant and Verbal separately so you do not waste a full test)

b. Manhattan Prep's Free GRE Practice Test

• The Manhattan Prep built a strong name for itself with the GMAT prep and their GRE tests are equally great.
  
• 1 MGRE Test is free and you can purchase 5 more for $39 - they are worth it; also available as a bundle with their books!

c. Kaplan Free GRE Practice Test

• Kaplan GRE Practice Test
  
• The Kaplan practice test is somewhat close to its Manhattan Prep counterpart, and the question quality is really good, but Kaplan tests are widely regarded as one of the toughest you will encounter during your prep. The questions on this practice test are slightly tougher than those you will see on the real GRE. Hence, your scores tend to be slightly lower than normal, and there is nothing to worry about it. Getting yourself acquainted with tougher problems only makes you better.

d. Magoosh - Free GRE Practice Test with Answers and Explanations

e. Princeton Review Free GRE Practice Test

f. INSEAD GRE Simulation Tests Micro/Mini/Full Test


2nd Tier GRE Practice Tests

1. Mcgraw Hill GRE Practice Test
2. Manhattan Review GRE Practice Test
3. Mometrix Test Preparation
4. CrunchPrep GRE Practice Test
5. Galvanize Test Prep
6. Uniontestprep.
7. Varsity Tutorrs
8. 4Tests
9. Test-Guide

GRE Questions Banks

1. MYGREPREPClub - Over 13k quant questions and 7k verbal questions to practice
2. My GRE Tutor 1200 Practice Question Review
3. Manhattan Review Quant/Verbal Practice
4. Mometrix Quant - Verbal
5. Rabbitprep 1200 GRE Practice Questions

MORE GRE Free Resources

1. More Great FREE GRE Resources
2. 7 Best Free GRE Practice Tests [Collection] - Older Version of this post