# Vocab Builder vs BrainRock

The clearest difference is in-app purchases: BrainRock at none against Vocab Builder's 4. BrainRock also leads on update cadence (weekly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Vocab Builder sells 4 in-app purchases, starting at $4.99 per 7 days. BrainRock asks for nothing beyond the download.

Vocab Builder ships an update every 3 months, BrainRock weekly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Vocab Builder | BrainRock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (69 ratings)](https://appshunter.io/ios/app/vocab-builder-learn-words/id6449472049/reviews)** | — |
| Number of ratings | **69** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Freemium | — |
| Size | 38 MB | 164 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CHORRUS GAMES S.L.](https://appshunter.io/developer/955143849) | [HAYOUNG KOH](https://appshunter.io/developer/1544967719) |

## What reviewers say

### Vocab Builder

[App page](https://appshunter.io/ios/app/vocab-builder-learn-words/id6449472049)

Enhance your English vocabulary with AI-powered word suggestions and personalized learning paths. Master new words through engaging levels, example sentences, and spaced repetition techniques. Prepare for standardized tests like TOEFL and IELTS with curated word lists.

**Highlights:** AI-generated word lists, 1000+ categories, Definitions and examples, Basic to advanced levels, Spaced repetition, Progress tracking, Exam preparation

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vocab Builder Pro - Weekly | $4.99 | per 7 days |
| Vocab Builder Pro: Monthly | $9.99 | per month |
| Vocab Builder Pro - Limited | $14.99 | per year |
| Vocab Builder Pro: Yearly | $29.99 | per year |


### BrainRock

[App page](https://appshunter.io/ios/app/brainrock-master-languages/id6761912280)

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

**In-app purchases:** none


## Frequently asked questions

### Is Vocab Builder free?

Vocab Builder is free to download, with in-app purchases available.

### Is BrainRock free?

BrainRock is free to download, with no in-app purchases.

### Do Vocab Builder or BrainRock have ads?

Neither Vocab Builder nor BrainRock shows ads.

### Which is updated more often, Vocab Builder or BrainRock?

Vocab Builder ships an update every 3 months, and BrainRock weekly. Most recently, Vocab Builder was updated on November 3, 2026 and BrainRock on November 5, 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.*