# ぶんぽう道場 vs VocaBuilder

The clearest difference is update cadence: VocaBuilder at every 5 days against ぶんぽう道場's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ぶんぽう道場 sells 1 in-app purchase, starting at $1.99 per month and VocaBuilder sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ぶんぽう道場 ships an update every 5 weeks, VocaBuilder every 5 days. The most recent releases landed on November 4, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | ぶんぽう道場 | VocaBuilder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ai4/id6499072709/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Monetization | Free | — |
| Size | 28 MB | 40 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yusuke Uemura](https://appshunter.io/developer/1597395122) | [Kohei Okamoto](https://appshunter.io/developer/1760753058) |

## What reviewers say

### ぶんぽう道場

[App page](https://appshunter.io/ios/app/ai4/id6499072709)

Learn English grammar through engaging, game-like challenges. An AI generates endless new problems, ensuring continuous learning. Compete with other users to stay motivated for exams like TOEIC, Eiken, and university entrance tests.

**Highlights:** AI-generated endless grammar problems, Game-like learning experience, Detailed explanations and translations, Competitive multiplayer mode, Preparation for TOEIC, Eiken, and university exams

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン | $1.99 | per month |


### VocaBuilder

[App page](https://appshunter.io/ios/app/vocabuilder/id6599849023)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly Plan | $2.99 | per month |
| Premium Annual Plan | $19.99 | per year |


## Frequently asked questions

### Is ぶんぽう道場 free?

ぶんぽう道場 is free to download, with in-app purchases available.

### Is VocaBuilder free?

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

### Do ぶんぽう道場 or VocaBuilder have ads?

Neither ぶんぽう道場 nor VocaBuilder shows ads.

### Which is updated more often, ぶんぽう道場 or VocaBuilder?

ぶんぽう道場 ships an update every 5 weeks, and VocaBuilder every 5 days. Most recently, ぶんぽう道場 was updated on November 4, 2026 and VocaBuilder on November 8, 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.*