GRE Math Knight vs GRE Vocabulary Builder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GRE Math Knight
Practice GRE math concepts by battling monsters. This game covers arithmetic, algebra, geometry, and data analysis, with formula scrolls and mini-games to enhance learning. Become a GRE math knight and save the kingdom.
- GRE math concept practice
- Arithmetic, algebra, geometry, data analysis
- Formula scrolls
- Mini-games
- Monster battling gameplay
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Our kingdom is held hostage by evil monsters whose only weakness is GRE math! Free to start: play the Swamp and Training free, then unlock the Desert, Plains and Tundra with a one-time purchase. No subscription, no ads. In GRE Math Knight, you'll hone your math skills by practicing the most commonly tested GRE math concepts. First, build your skills on the training ground, where you can drill the basics like mental math, fractions, percents, and more, then travel to four different biomes to solve arithmetic, algebra, geometry, and data analysis GRE math questions in order to defeat the monsters. You'll find scrolls with math formulas along the way to aid you in your quest, and fun games to play to break up your studying. Can you save the kingdom and become a true GRE math knight?
GRE Vocabulary Builder
Prepare for the GRE with over 1,300 essential words and a comprehensive study guide. Interactive flashcards, audio lessons, and progress tracking help you master vocabulary and understand the test structure. Study offline anytime, anywhere.
- 1300+ GRE words
- Interactive flashcards
- GRE study guide
- Audio-enabled lessons
- Progress tracking
- Offline mode
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Master over 1,300 essential GRE® words with interactive flashcards and a complete GRE® study guide! Improve your vocabulary and learn every word you need to know for the GRE® step by step with different difficulty levels. STUDY GUIDE Learn more about the GRE® test, the scoring system, the Analytical Writing, Verbal Reasoning, Quantitative Reasoning and question categories. Get tips on how to get the highest score! VOCABULARY FLASHCARDS More than 1,300 essential words for the GRE® carefully picked by expert tutors. Use the Smart Round for personalized flashcards generated by our learning algorithm. JUST LISTEN! Use the audio-enabled lessons and easily follow each paragraph, word by word with better concentration. TRACK TEST & STUDY PROGRESS Keep track of your progress through the chapters and lessons. Easily pick up where you left off with the Continue Studying shortcut. FULL OFFLINE MODE Study on the go! Use the app wherever you go without an internet connection, and still access all the lessons, flashcards and words. OTHER FEATURES: - Customizable Study Reminders - Dark Mode Support (with automatic switch) - Listen To Glossary Words Pronunciations Feedback on the app, the content, or the questions? We always would love to hear back from you! You can reach us at hello@reev.ca. Love the app? Please take a moment to leave a review and let us know what you think. *GRE® is a registered trademark of the Educational Testing Service (ETS) in the United States and other countries. This app is not endorsed by the ETS.
Screenshots
Verdict
The clearest difference is monetization model: GRE Vocabulary Builder at free against GRE Math Knight's paid. GRE Vocabulary Builder also leads on review sentiment (75% vs 53%) and iOS requirement (13.0 vs 15.0). GRE Math Knight's advantage is update cadence (monthly vs every 4 months). On price, rating, ratings volume and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.5 for GRE Math Knight against 4.6 for GRE Vocabulary Builder. Both are backed by a comparable volume of ratings — 53 and 113 respectively. Written reviews are what separate them: 53% of GRE Math Knight's written reviews are positive against 75% of GRE Vocabulary Builder's.
GRE Math Knight ships an update monthly, GRE Vocabulary Builder every 4 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.
| Parameter | GRE Math Knight | GRE Vocabulary Builder |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (53 ratings) | 4.6 (113 ratings) — better |
| Positive reviews | 53.3% of reviews | 75.0% of reviews — better |
| Number of ratings | 53 | 113 — better |
| Update frequency | Monthly — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 133 MB | 71 MB |
| Age rating | 9+ | 4+ |
| Developer | Vince Kotchian Test Prep | Reev Tech Inc. |
Customer experience
GRE Math Knight
GRE Vocabulary Builder
In-app purchases
GRE Math Knight
No in-app purchases
GRE Vocabulary Builder
No in-app purchases
Questions
Is GRE Math Knight free?
Is GRE Vocabulary Builder free?
Which has better reviews, GRE Math Knight or GRE Vocabulary Builder?
Do GRE Math Knight or GRE Vocabulary Builder have ads?
Which is updated more often, GRE Math Knight or GRE Vocabulary Builder?
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