# 英検®4級 でた単 vs うちエコキッズ

The clearest difference is update cadence: 英検®4級 でた単 at every 2 days against うちエコキッズ's every 3 months. うちエコキッズ's advantage is iOS requirement (11.0 vs 15.4). 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.

英検®4級 でた単 ships an update every 2 days, うちエコキッズ every 3 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | 英検®4級 でた単 | うちエコキッズ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 months |
| Monetization | Free | — |
| Size | 87 MB | 25 MB |
| Requires iOS | 15.4 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Namiko Takahashi](https://appshunter.io/developer/1349212420) | [Hinodeya Institute for Ecolife Co.](https://appshunter.io/developer/558454967) |

## What reviewers say

### 英検®4級 でた単

[App page](https://appshunter.io/ios/app/4/id1459736276)

This app helps users prepare for the Eiken Grade 4 English proficiency test by providing a comprehensive vocabulary list. It categorizes words by part of speech and frequency of appearance in past exams, offering practice exercises and tests to reinforce learning.

**Highlights:** 794 Eiken Grade 4 vocabulary words, Categorized by part of speech and frequency, Practice exercises and 15-question tests, Customizable wordbook for weak words, Automatic playback of words, In-app search by word, meaning, or pronunciation

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

**In-app purchases:** none


### うちエコキッズ

[App page](https://appshunter.io/ios/app/id1538110284)

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

**In-app purchases:** none


## Frequently asked questions

### Is 英検®4級 でた単 free?

英検®4級 でた単 is free to download, with no in-app purchases.

### Is うちエコキッズ free?

うちエコキッズ is free to download, with no in-app purchases.

### Do 英検®4級 でた単 or うちエコキッズ have ads?

Neither 英検®4級 でた単 nor うちエコキッズ shows ads.

### Which is updated more often, 英検®4級 でた単 or うちエコキッズ?

英検®4級 でた単 ships an update every 2 days, and うちエコキッズ every 3 months. Most recently, 英検®4級 でた単 was updated on November 3, 2026 and うちエコキッズ on November 3, 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.*