# やりなおし中学英単語 vs 成語idiom

The clearest difference is ads: 成語idiom at none against やりなおし中学英単語's shown. 成語idiom also leads on update cadence (monthly vs every 13 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

やりなおし中学英単語 ships an update every 13 months, 成語idiom monthly. The most recent releases landed on October 15, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | やりなおし中学英単語 | 成語idiom |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 13 months | **Monthly** |
| Size | 6 MB | 2 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mejiro Publications](https://appshunter.io/developer/384877298) | [Kumiko Hirobe](https://appshunter.io/developer/642098115) |

## What reviewers say

### やりなおし中学英単語

[App page](https://appshunter.io/ios/app/id670886191)

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

**In-app purchases:** none


### 成語idiom

[App page](https://appshunter.io/ios/app/idiom/id6758257270)

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

**In-app purchases:** none


## Frequently asked questions

### Is やりなおし中学英単語 free?

やりなおし中学英単語 is free to download, with no in-app purchases.

### Is 成語idiom free?

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

### Do やりなおし中学英単語 or 成語idiom have ads?

やりなおし中学英単語 shows ads; 成語idiom does not.

### Which is updated more often, やりなおし中学英単語 or 成語idiom?

やりなおし中学英単語 ships an update every 13 months, and 成語idiom monthly. Most recently, やりなおし中学英単語 was updated on October 15, 2026 and 成語idiom on October 23, 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.*