# i英辞郎 アプリ内購入 vs エースクラウン英和辞典 第2版

The clearest difference is review sentiment: エースクラウン英和辞典 第2版 at 100% against i英辞郎 アプリ内購入's 4%. エースクラウン英和辞典 第2版 also leads on in-app purchases (none vs 19) and iOS requirement (11.0 vs 18.6). i英辞郎 アプリ内購入's advantage is price (Free vs $12.99). On update cadence, ads and device support there is nothing between them.

i英辞郎 アプリ内購入 is free to download; エースクラウン英和辞典 第2版 costs $12.99 up front. i英辞郎 アプリ内購入 sells 19 one-off in-app purchases. エースクラウン英和辞典 第2版 asks for nothing beyond the download.

i英辞郎 アプリ内購入 ships an update every 6 months, エースクラウン英和辞典 第2版 every 8 months. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | i英辞郎 アプリ内購入 | エースクラウン英和辞典 第2版 |
| --- | --- | --- |
| Price | **Free** | $12.99 |
| Positive reviews | 4.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 8 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 2 MB | 253 MB |
| Requires iOS | 18.6 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [So Koide](https://appshunter.io/developer/291232659) | [物書堂](https://appshunter.io/developer/284350529) |

## What reviewers say

### i英辞郎 アプリ内購入

[App page](https://appshunter.io/ios/app/i/id492177614)

This reference app provides comprehensive English-Japanese and Japanese-English dictionaries, along with example sentences and abbreviations. It allows for offline dictionary searches and includes features like flashcards and quizzes. Users can access the latest dictionary data through in-app purchases.

**Highlights:** English-Japanese dictionary, Japanese-English dictionary, Example sentences, Abbreviations dictionary, Offline search, Flashcards and quizzes, iCloud backup

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

**In-app purchases (19)**

| Purchase | Price | Billing |
| --- | --- | --- |
| i英辞郎辞書 ver 176 | $6.99 | one-time |
| i英辞郎辞書 ver 175 | $6.99 | one-time |
| i英辞郎辞書 ver 174 | $7.99 | one-time |
| i英辞郎辞書 ver 146 | $8.99 | one-time |
| i英辞郎辞書 ver 147 | $8.99 | one-time |
| i英辞郎辞書 ver 148 | $8.99 | one-time |
| i英辞郎辞書 ver 151 | $8.99 | one-time |
| i英辞郎辞書 ver 154 | $8.99 | one-time |
| i英辞郎辞書 ver 144 | $8.99 | one-time |
| i英辞郎辞書 ver 149 | $8.99 | one-time |
| i英辞郎辞書 ver 150 | $8.99 | one-time |
| i英辞郎辞書 ver 152 | $8.99 | one-time |
| i英辞郎辞書 ver 177 | $9.99 | one-time |
| i英辞郎辞書 ver 142 | $9.99 | one-time |
| i英辞郎辞書 ver 133 | $11.99 | one-time |
| i英辞郎辞書 ver 134 | $11.99 | one-time |
| i英辞郎辞書 ver 135 | $11.99 | one-time |
| i英辞郎辞書 ver 136 | $11.99 | one-time |
| i英辞郎辞書 ver 139 | $11.99 | one-time |


### エースクラウン英和辞典 第2版

[App page](https://appshunter.io/ios/app/2/id1122465801)

This comprehensive English-Japanese dictionary app provides extensive vocabulary and audio pronunciations. It offers advanced search functions, offline access, and seamless integration with other dictionary apps. Ideal for serious English learners seeking a robust reference tool.

**Highlights:** Extensive English-Japanese and Japanese-English vocabulary, Native speaker audio pronunciations, Advanced search capabilities (pattern, phrase, example), Offline access to all content, Seamless integration with other dictionary apps, Bookmark and history functions, Supports iPad Split View and Slide Over

**In-app purchases:** none


## Frequently asked questions

### Is i英辞郎 アプリ内購入 free?

i英辞郎 アプリ内購入 is free to download, with in-app purchases available.

### Is エースクラウン英和辞典 第2版 free?

エースクラウン英和辞典 第2版 costs $12.99, with no in-app purchases.

### Do i英辞郎 アプリ内購入 or エースクラウン英和辞典 第2版 have ads?

Neither i英辞郎 アプリ内購入 nor エースクラウン英和辞典 第2版 shows ads.

### Which is updated more often, i英辞郎 アプリ内購入 or エースクラウン英和辞典 第2版?

i英辞郎 アプリ内購入 ships an update every 6 months, and エースクラウン英和辞典 第2版 every 8 months. Most recently, i英辞郎 アプリ内購入 was updated on October 8, 2026 and エースクラウン英和辞典 第2版 on October 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.*