# GRE Vocabulary Builder vs CPIM Study Guide

The clearest difference is in-app purchases: GRE Vocabulary Builder at none against CPIM Study Guide's 4. GRE Vocabulary Builder also leads on iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. CPIM Study Guide sells 4 in-app purchases, starting at $2.99 per 7 days. GRE Vocabulary Builder asks for nothing beyond the download.

## The numbers

| Metric | GRE Vocabulary Builder | CPIM Study Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (113 ratings)](https://appshunter.io/ios/app/gre-vocabulary-builder/id1609463254/reviews)** | — |
| Number of ratings | **113** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Free | — |
| Size | 71 MB | 19 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| 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


### CPIM Study Guide

[App page](https://appshunter.io/ios/app/cpim-study-guide-inventory/id6801876341)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $2.99 | per 7 days |
| Premium Monthly | $6.99 | per month |
| Premium Annual | $19.99 | per year |
| Premium Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is GRE Vocabulary Builder free?

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

### Is CPIM Study Guide free?

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

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

Neither GRE Vocabulary Builder nor CPIM Study Guide shows ads.

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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.*