# でんこう！ vs 成語idiom

The clearest difference is update cadence: でんこう！ at every 11 days against 成語idiom's monthly. 成語idiom's advantage is iOS requirement (16.6 vs 18.4). On price, ads, 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.

でんこう！ ships an update every 11 days, 成語idiom monthly. The most recent releases landed on October 5, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | でんこう！ | 成語idiom |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Monthly |
| Size | 25 MB | 2 MB |
| Requires iOS | 18.4 | **16.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 9+ | 4+ |
| Developer | [Takashi Fujita](https://appshunter.io/developer/1852754559) | [Kumiko Hirobe](https://appshunter.io/developer/642098115) |

## What reviewers say

### でんこう！

[App page](https://appshunter.io/ios/app/12/id6755238323)

**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 でんこう！ free?

でんこう！ 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 でんこう！ or 成語idiom have ads?

Neither でんこう！ nor 成語idiom shows ads.

### Which is updated more often, でんこう！ or 成語idiom?

でんこう！ ships an update every 11 days, and 成語idiom monthly. Most recently, でんこう！ was updated on October 5, 2026 and 成語idiom on October 14, 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.*