Comparison

GRE Math Knight vs Cypher Vocab

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • GRE math concept practice
  • Arithmetic, algebra, geometry, data analysis
  • Formula scrolls
  • Mini-games
  • Monster battling gameplay
Features
Read full description

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?

About

Cypher Vocab

Master English vocabulary through an engaging narrative and challenging levels set in a cyberpunk world. This app offers an expansive word list and a progressive learning curve, making vocabulary enhancement an exciting adventure for GRE aspirants and word enthusiasts alike.

Highlights
  • Expansive vocabulary list (900+ words)
  • Progressive learning curve
  • Cyberpunk adventure setting
  • On-the-go learning
  • GRE preparation focus
Features
Read full description

Cypher Vocab is more than just a game; it's a gateway to mastering the English language. With its compelling narrative and challenging levels, it turns the daunting task of vocabulary enhancement into an exciting adventure. Whether you're preparing for the GRE or simply love exploring new words, Cypher Vocab is your go-to destination for linguistic prowess. Expansive Vocabulary: With more than 900 words, Cypher Vocab caters to serious GRE candidates, ensuring a comprehensive grasp of high-level vocabulary. Progressive Learning Curve: Journey through levels that intuitively progress from basic to advanced vocabulary, perfect for gradually building your lexicon. Adventure: Engage in a visually stunning cyberpunk setting, where each word learned is a step closer to mastering the language of a futuristic world. On-the-Go Learning: As a mobile application, Cypher Vocab promises a convenient, engaging way to learn, whether you're on a commute, taking a break, or relaxing at home.

Screenshots

GRE Math Knight4 screens
Cypher Vocab4 screens

Verdict

The call

The clearest difference is review sentiment: Cypher Vocab at 100% against GRE Math Knight's 53%. Cypher Vocab also leads on rating (5.0 vs 4.5) and update cadence (every 5 days vs monthly). GRE Math Knight's advantage is ads (none vs shown). On price, ratings volume, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Cypher Vocab holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 53 and 18 respectively. Written reviews point the same way: 53% of GRE Math Knight's written reviews are positive against 100% of Cypher Vocab's.

UpkeepUpdate frequency

GRE Math Knight ships an update monthly, Cypher Vocab every 5 days. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

Scorecard6 real differences · 4 level
GRE Math Knight versus Cypher Vocab: the parameters behind the verdict, then further details
ParameterGRE Math KnightCypher Vocab
PriceFreeFree
Rating4.5 (53 ratings)5.0 (18 ratings) — better
Positive reviews53.3% of reviews100.0% of reviews — better
Number of ratings53 — better18
Update frequencyMonthlyEvery 5 days — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationPaidAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size133 MB210 MB
Age rating9+4+
DeveloperVince Kotchian Test PrepMichael Jenkins

Customer experience

GRE Math Knight

All ratings52 ratings
Positive90.4%
Neutral1.9%
Negative7.7%
Written reviews15 reviews
Positive53.3%
Neutral13.3%
Negative33.3%

Cypher Vocab

All ratings18 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews10 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

GRE Math Knight

No in-app purchases

None

Cypher Vocab

No in-app purchases

Questions

Is GRE Math Knight free?
GRE Math Knight is free to download, with no in-app purchases.
Is Cypher Vocab free?
Cypher Vocab is free to download, with no in-app purchases.
Which has better reviews, GRE Math Knight or Cypher Vocab?
Cypher Vocab is rated higher. GRE Math Knight averages 4.5 out of 5 from 53 ratings, while Cypher Vocab averages 5.0 from 18 ratings.
Do GRE Math Knight or Cypher Vocab have ads?
Cypher Vocab shows ads; GRE Math Knight does not.
Which is updated more often, GRE Math Knight or Cypher Vocab?
GRE Math Knight ships an update monthly, and Cypher Vocab every 5 days. Most recently, GRE Math Knight was updated on November 7, 2026 and Cypher Vocab on October 30, 2026.

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