# GRE Math Knight vs Cypher Vocab

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.

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

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.

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.

## The numbers

| Metric | GRE Math Knight | Cypher Vocab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (53 ratings)](https://appshunter.io/ios/app/gre-math-knight/id1535485326/reviews) | **[5.0 (18 ratings)](https://appshunter.io/ios/app/cypher-vocab/id6477483337/reviews)** |
| Number of ratings | **53** | 18 |
| Positive reviews | 53.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Paid | **Ad-supported** |
| Size | 133 MB | 210 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Vince Kotchian Test Prep](https://appshunter.io/developer/1526464975) | [Michael Jenkins](https://appshunter.io/developer/1729423430) |

## What reviewers say

### GRE Math Knight

[App page](https://appshunter.io/ios/app/gre-math-knight/id1535485326)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Cypher Vocab

[App page](https://appshunter.io/ios/app/cypher-vocab/id6477483337)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*