# GRE Vocabulary Builder vs CGFM Study Guide

The clearest difference is in-app purchases: GRE Vocabulary Builder at none against CGFM Study Guide's 2. GRE Vocabulary Builder also leads on ratings volume (113 vs 1) and iOS requirement (13.0 vs 17.0). CGFM Study Guide's advantage is rating (5.0 vs 4.6) and update cadence (every 2 months vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. CGFM Study Guide sells 2 in-app purchases, starting at $2.99 per month. GRE Vocabulary Builder asks for nothing beyond the download.

CGFM Study Guide holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: GRE Vocabulary Builder has 113 ratings behind it against 1, so its average is the more settled of the two.

GRE Vocabulary Builder ships an update every 4 months, CGFM Study Guide every 2 months. The most recent releases landed on October 20, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | GRE Vocabulary Builder | CGFM Study Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (113 ratings)](https://appshunter.io/ios/app/gre-vocabulary-builder/id1609463254/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cgfm-study-guide/id6776461234/reviews)** |
| Number of ratings | **113** | 1 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | **Free** | Freemium |
| Size | 71 MB | 1 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Reev Tech Inc.](https://appshunter.io/developer/1226698203) | [DMP ENTERPRISE LLC](https://appshunter.io/developer/1808322033) |

## What reviewers say

### GRE Vocabulary Builder

[App page](https://appshunter.io/ios/app/gre-vocabulary-builder/id1609463254)

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.

**Highlights:** 1300+ GRE words, Interactive flashcards, GRE study guide, Audio-enabled lessons, Progress tracking, Offline mode

**Features:** macOS Compatibility

**In-app purchases:** none


### CGFM Study Guide

[App page](https://appshunter.io/ios/app/cgfm-study-guide/id6776461234)

Prepare for all three Certified Government Financial Manager (CGFM) exams with this focused study guide. It organizes content by exam, offering flashcards, practice questions, glossary terms, and formulas. Preview sections for free and upgrade for full access.

**Highlights:** Content organized by AGA exam, 90+ flashcards, 45+ practice questions, Searchable glossary, Government financial formulas, Free preview available

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CGFM Premium (Monthly) | $2.99 | per month |
| CGFM Premium Lifetime | $15.00 | one-time |


## Frequently asked questions

### Is GRE Vocabulary Builder free?

GRE Vocabulary Builder is free to download, with no in-app purchases.

### Is CGFM Study Guide free?

CGFM Study Guide is free to download, with in-app purchases available.

### Which has better reviews, GRE Vocabulary Builder or CGFM Study Guide?

CGFM Study Guide is rated higher. GRE Vocabulary Builder averages 4.6 out of 5 from 113 ratings, while CGFM Study Guide averages 5.0 from 1 ratings.

### Do GRE Vocabulary Builder or CGFM Study Guide have ads?

Neither GRE Vocabulary Builder nor CGFM Study Guide shows ads.

### Which is updated more often, GRE Vocabulary Builder or CGFM Study Guide?

GRE Vocabulary Builder ships an update every 4 months, and CGFM Study Guide every 2 months. Most recently, GRE Vocabulary Builder was updated on October 20, 2026 and CGFM Study Guide on October 16, 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.*