# 触って遊べる海の生き物図鑑 vs 英検 単語・文法ドリル 3級・準2級・準2級プラス・2級

The clearest difference is in-app purchases: 触って遊べる海の生き物図鑑 at none against 英検 単語・文法ドリル 3級・準2級・準2級プラス・2級's 5. 触って遊べる海の生き物図鑑 also leads on iOS requirement (12.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 英検 単語・文法ドリル 3級・準2級・準2級プラス・2級 sells 5 in-app purchases, starting at $4.99 per month. 触って遊べる海の生き物図鑑 asks for nothing beyond the download.

触って遊べる海の生き物図鑑 ships an update every 5 days, 英検 単語・文法ドリル 3級・準2級・準2級プラス・2級 weekly. The most recent releases landed on October 5, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 触って遊べる海の生き物図鑑 | 英検 単語・文法ドリル 3級・準2級・準2級プラス・2級 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Size | 129 MB | 38 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Masashi Ikeda](https://appshunter.io/developer/1825379876) | [DAIKI HIROSE](https://appshunter.io/developer/1882626625) |

## What reviewers say

### 触って遊べる海の生き物図鑑

[App page](https://appshunter.io/ios/app/id6748539468)

**Features:** macOS Compatibility

**In-app purchases:** none


### 英検 単語・文法ドリル 3級・準2級・準2級プラス・2級

[App page](https://appshunter.io/ios/app/3222/id6787604059)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 全級プレミアム（月額） | $4.99 | per month |
| 準2級（買い切り） | $9.99 | one-time |
| 2級（買い切り） | $9.99 | one-time |
| 準2級プラス（買い切り） | $9.99 | one-time |
| 3級（買い切り） | $9.99 | one-time |


## Frequently asked questions

### Is 触って遊べる海の生き物図鑑 free?

触って遊べる海の生き物図鑑 is free to download, with no in-app purchases.

### Is 英検 単語・文法ドリル 3級・準2級・準2級プラス・2級 free?

英検 単語・文法ドリル 3級・準2級・準2級プラス・2級 is free to download, with in-app purchases available.

### Do 触って遊べる海の生き物図鑑 or 英検 単語・文法ドリル 3級・準2級・準2級プラス・2級 have ads?

Neither 触って遊べる海の生き物図鑑 nor 英検 単語・文法ドリル 3級・準2級・準2級プラス・2級 shows ads.

### Which is updated more often, 触って遊べる海の生き物図鑑 or 英検 単語・文法ドリル 3級・準2級・準2級プラス・2級?

触って遊べる海の生き物図鑑 ships an update every 5 days, and 英検 単語・文法ドリル 3級・準2級・準2級プラス・2級 weekly. Most recently, 触って遊べる海の生き物図鑑 was updated on October 5, 2026 and 英検 単語・文法ドリル 3級・準2級・準2級プラス・2級 on October 25, 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.*