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The 7 best GRE prep apps in 2026.
We compared every major GRE prep app on practice quality, pricing, and real features. Here's the honest ranking.
Last updated: May 2026
There are dozens of GRE prep apps out there, and most "best of" lists are just affiliate marketing. This guide focuses on what actually matters for your score: practice quality, question variety, score tracking, and price.
The rankings
No.1Best for official questions
ETS POWERPREP Online
The official GRE practice tests from the test maker.
FreeWeb only2 free tests
- Real retired GRE questions — most authentic experience possible
- Free (POWERPREP Online gives 2 full tests)
- Accurate score predictions since it uses real GRE scoring
- Only 2 free tests (POWERPREP Plus adds 3 more at $40 each)
- No explanations for wrong answers
- No mobile app — web only
Bottom line: Every GRE student should take the free POWERPREP tests. They're the gold standard. But 2 tests isn't enough practice for most people.
our pick for practice ✎
No.2Best for unlimited practice
nerzia GRE Prep
AI-powered practice tests that never repeat. Real-time score predictions.
Free to startiOS100+ testsAI explanations
- 100+ practice tests across Quant, Verbal, and Writing
- AI generates fresh questions every time — no repeats
- Predicted scores on the real 130–170 scale after every test
- Step-by-step AI explanations for every question
- 1,000+ vocabulary words with spaced repetition
- iOS only (no Android or web yet)
- No video lessons — purely practice-focused
- Newer app, smaller community
Bottom line: If you learn by doing, nerzia gives you more practice than any other tool on this list. AI-generated questions mean you can take a new test every day without seeing repeats. Try it free →
No.3Best for video learners
Magoosh GRE
Video lessons + question bank. The most popular online GRE course.
$60–$100+Web + iOS + Android250+ videos
- 250+ video lessons covering every GRE concept
- 1,300+ practice questions with video explanations
- Score improvement guarantee (5 points)
- Available on all platforms
- Fixed question bank — repeats after a while
- No free tier beyond vocab app
- Only 3 practice tests
Bottom line: Magoosh is the best choice if you want structured video lessons. High-quality content covering everything, but limited practice test volume. See full comparison →
No.4Best books + app combo
Manhattan Prep GRE
Premium strategy guides with an app for practice.
$30–$100+Books + iOS + Android6 practice tests
- 8 strategy guides among the best GRE books available
- 6 full-length practice tests included
- Strong focus on quantitative reasoning strategies
- App is mostly a companion to books
- Expensive if you buy the full set
- No adaptive AI — same questions every time
Bottom line: If you're a book learner who wants deep strategy content, Manhattan Prep's guides are excellent. The app is a nice bonus but not strong standalone.
No.5Best for live classes
Kaplan GRE
Live instruction, textbooks, and the biggest brand name in test prep.
$400–$1,600+Web + Books7 practice tests
- Live online classes with real instructors
- Comprehensive study plans and textbooks
- 7 full-length practice tests
- Very expensive — $400 minimum
- Fixed question bank
- No mobile app for practice
Bottom line: Worth it if you need live instruction and price is no concern. Otherwise, you can get comparable practice for a fraction. See full comparison →
No.6Best budget option
GregMat+
YouTube instructor turned full GRE course. Incredible value.
$5/monthWebStudy plans
- $5/month — absurdly cheap for the quality
- Greg's verbal strategies are widely considered the best
- Structured 1-month and 2-month study plans
- Active community and study groups
- No mobile app
- Limited practice tests (relies on ETS material)
- One-person operation — less polished
Bottom line: For $5/month, GregMat+ is an insane deal for verbal strategies. Pair it with nerzia for unlimited practice — a complete prep stack under $15/month.
No.7Best score guarantee
Princeton Review GRE
Premium courses with a strong score guarantee.
$200–$2,000+Web + Books8 practice tests
- Score guarantee: hit target or get money back
- 8 full-length practice tests
- In-person and online class options
- Expensive — on par with Kaplan
- The "guarantee" has strict conditions
- No standalone app
Bottom line: Solid if the score guarantee matters and you can afford it. Read the guarantee conditions carefully.
Our recommendation
For most students, the best GRE prep stack in 2026 is:
1.ETS POWERPREP — take the 2 official tests to benchmark your scoreFREE
2.nerzia — unlimited practice tests for daily drillingFREE TO START
3.GregMat+ — verbal strategies and study plans$5/MO
Total cost: $5/month. That beats a $1,600 Kaplan course for most self-motivated students.
FAQ
What is the best GRE prep app in 2026?+
It depends on your study style. For practice-focused learners, nerzia offers the most tests (100+) with AI-generated questions. For video learners, Magoosh has the best lessons. For official questions, ETS POWERPREP is essential. Most students benefit from combining 2–3 tools.
Can I prep for the GRE for free?+
Yes. ETS POWERPREP Online gives you 2 free full-length practice tests with real GRE questions. nerzia's free trial gives full access for 3 days. Combined, that's a solid free prep foundation.
How long should I study for the GRE?+
Most students need 4–12 weeks of focused prep. If your diagnostic score is close to your target (within 5 points), 4–6 weeks of daily practice may be enough. If you need a 10+ point improvement, plan for 8–12 weeks. Consistency matters more than total hours.
Is Magoosh or Kaplan better for the GRE?+
Magoosh is better value ($60 vs $400+) and has more video content. Kaplan is better if you want live instruction. For pure practice, nerzia beats both with 100+ AI-generated tests starting free.
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