Adaptive practice
Koydo's question bank adapts to what you keep missing, so your GRE study time lands on your real weak spots — not material you have already mastered.
Loading…
Graduate Record Examinations Study Guide
Targeted practice improves scores by 5–10 points per section
2,000+Practice Questions
5Topic Areas
24/7AI Tutor
Study by Topic
Every GRE topic, broken down.
Work through the 5 areas of the GRE in any order — each one has its own focused practice and an exam-ready breakdown.
Quantitative Comparison
Study →QC items make up ~40% of each quant section. Compare Quantity A vs. Quantity B — the most distinctive GRE question type.
Text Completion
Study →Fill in 1–3 blanks with vocabulary that fits the logical structure of the sentence.
Reading Comprehension
Study →Short and long passages with inference, main idea, argument evaluation, and select-in-passage questions.
Analytical Writing (AWA)
Study →Two essays: Analyze an Issue (your position) and Analyze an Argument (the argument's logical flaws).
Quantitative Problem Solving
Study →Standard math problem solving across arithmetic, algebra, geometry, and data analysis.
How Koydo helps
How Koydo prepares you for the GRE.
24/7 Everyday Tutor
Stuck on a question? The Everyday Tutor explains the reasoning behind any GRE answer — why it is right and why the others are wrong — any time of day.
Mastery tracking
See exactly which of the 5 GRE topic areas are exam-ready and which still need work, so you walk in knowing where you stand.
Study any topic, any order
Jump straight to the area you need. Every GRE topic has its own focused practice set, so a short session is always productive.
Questions
GRE prep questions, answered.
Is Koydo's GRE prep free to start?
Yes. You can begin practicing Graduate Record Examinations questions for free, then upgrade for the full question bank and unlimited Everyday Tutor help.
How many practice questions does Koydo have for the GRE?
Koydo's GRE bank holds 2,000+ questions across 5 topic areas, each mapped to the structure of the real exam.
What score do I need to pass the GRE?
The passing standard is Score varies by program (typically 155+ V, 160+ Q for top programs). Koydo's mastery tracking shows how close each topic is to that bar before you sit the test.
Can the tutor explain why an answer is right?
Yes. The Everyday Tutor walks through the reasoning on any question — not just the correct letter — so practice actually builds understanding.
How is Koydo GRE prep different from a question dump?
It is one connected system — adaptive practice, an always-on tutor, and mastery tracking — rather than a static PDF or a flat flashcard deck. The practice changes as you do.
Start Practicing Now — It's Free
AI-selected questions targeting your weak spots. Instant explanations. No credit card required to start.