# 英文読解 vs AI語源単語帳/赤シート/単語帳/英文法/英会話/TOEIC

The clearest difference is ads: AI語源単語帳/赤シート/単語帳/英文法/英会話/TOEIC at none against 英文読解's shown. AI語源単語帳/赤シート/単語帳/英文法/英会話/TOEIC also leads on update cadence (every 5 days vs every 10 days). 英文読解's advantage is iOS requirement (13.0 vs 17.0). On price, review sentiment, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

英文読解 ships an update every 10 days, AI語源単語帳/赤シート/単語帳/英文法/英会話/TOEIC every 5 days. The most recent releases landed on October 2, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 英文読解 | AI語源単語帳/赤シート/単語帳/英文法/英会話/TOEIC |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | **Every 5 days** |
| Monetization | — | Free |
| Size | 46 MB | 27 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Kazuhiro.Yamada](https://appshunter.io/developer/412842594) | [Atsushi Koyama](https://appshunter.io/developer/1367138812) |

## What reviewers say

### 英文読解

[App page](https://appshunter.io/ios/app/id6475267487)

**Features:** macOS Compatibility

**In-app purchases:** none


### AI語源単語帳/赤シート/単語帳/英文法/英会話/TOEIC

[App page](https://appshunter.io/ios/app/aitoeic/id6768860998)

Learn English vocabulary efficiently by understanding word origins. This completely free app offers multiple learning modes, example sentences, and pronunciation support for TOEIC and Eiken exams. Track your progress and set daily goals to build a consistent study habit.

**Highlights:** Learn vocabulary through word origins, Multiple quiz and memorization modes, Supports TOEIC and Eiken levels, Includes example sentences and audio, Progress tracking and goal setting, Customizable word lists, Ad-free and completely free

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

**In-app purchases:** none


## Frequently asked questions

### Is 英文読解 free?

英文読解 is free to download, with no in-app purchases.

### Is AI語源単語帳/赤シート/単語帳/英文法/英会話/TOEIC free?

AI語源単語帳/赤シート/単語帳/英文法/英会話/TOEIC is free to download, with no in-app purchases.

### Do 英文読解 or AI語源単語帳/赤シート/単語帳/英文法/英会話/TOEIC have ads?

英文読解 shows ads; AI語源単語帳/赤シート/単語帳/英文法/英会話/TOEIC does not.

### Which is updated more often, 英文読解 or AI語源単語帳/赤シート/単語帳/英文法/英会話/TOEIC?

英文読解 ships an update every 10 days, and AI語源単語帳/赤シート/単語帳/英文法/英会話/TOEIC every 5 days. Most recently, 英文読解 was updated on October 2, 2026 and AI語源単語帳/赤シート/単語帳/英文法/英会話/TOEIC on October 15, 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.*