# 다국어단어장 vs ECK OPI

The clearest difference is in-app purchases: ECK OPI at none against 다국어단어장's 1. 다국어단어장's advantage is iOS requirement (7.1 vs 14.5). On price, ads and device support there is nothing between them.

Both are free to download. 다국어단어장 sells 1 one-off in-app purchase. ECK OPI asks for nothing beyond the download.

## The numbers

| Metric | 다국어단어장 | ECK OPI |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | — |
| Size | 2 MB | 32 MB |
| Requires iOS | **7.1** | 14.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hankuk University of Foreign Studies](https://appshunter.io/developer/489438085) | [ECK EDUCATION Inc.,](https://appshunter.io/developer/1467547973) |

## What reviewers say

### 다국어단어장

[App page](https://appshunter.io/ios/app/id1163986396)

This application offers a comprehensive vocabulary learning experience for multiple languages, including English, Spanish, and FLEX English. It features flashcards, pronunciation guides, example sentences, and quizzes to reinforce learning. Users can track memorized words for targeted review.

**Highlights:** Multilingual vocabulary lists, Flashcard learning with swipe functionality, Pronunciation and example sentences, Quiz mode for testing, Review of incorrect answers, Progress tracking for memorized words

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 대학영어 필수어휘 미네르바 VOCA | $3.99 | one-time |


### ECK OPI

[App page](https://appshunter.io/ios/app/eck-opi/id6714463129)

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

**In-app purchases:** none


## Frequently asked questions

### Is 다국어단어장 free?

다국어단어장 is free to download, with in-app purchases available.

### Is ECK OPI free?

ECK OPI is free to download, with no in-app purchases.

### Do 다국어단어장 or ECK OPI have ads?

Neither 다국어단어장 nor ECK OPI shows ads.

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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.*