# 오픽이지 vs 잉코치

The clearest difference is monetization model: 잉코치 at free against 오픽이지's free with in-app purchases. 오픽이지's advantage is update cadence (every 5 days vs fortnightly). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

오픽이지 ships an update every 5 days, 잉코치 fortnightly. Both last shipped on October 31, 2026.

## The numbers

| Metric | 오픽이지 | 잉코치 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 41 MB | 8 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kison Kim](https://appshunter.io/developer/6788418837) | [heesik choi](https://appshunter.io/developer/6798042981) |

## What reviewers say

### 오픽이지

[App page](https://appshunter.io/ios/app/ai/id6788418835)

Practice for the OPIc English speaking test with realistic mock exams and instant AI feedback. Identify weaknesses in fluency, grammar, vocabulary, pronunciation, and intonation to improve your score and reach your target grade.

**Highlights:** Realistic mock OPIc exams, AI-driven feedback on fluency, grammar, pronunciation, Personalized questions based on background surveys, Practice mode for quick feedback, Score and improvement suggestions, Target grade prediction

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

**In-app purchases:** none


### 잉코치

[App page](https://appshunter.io/ios/app/id6798109078)

Learn English daily with a personalized approach, from beginner to advanced. Master vocabulary, grammar, reading, and listening through engaging mini-games and speaking practice. Stay motivated with a unique reward system and customize your in-app penguin coach.

**Highlights:** Personalized level selection, Daily 4-step learning (vocab, grammar, reading, dictation), Engaging mini-games for vocabulary, Speaking and pronunciation practice, Motivational systems (XP, streaks, leagues), Customizable penguin coach, Cross-device progress syncing

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

**In-app purchases:** none


## Frequently asked questions

### Is 오픽이지 free?

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

### Is 잉코치 free?

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

### Do 오픽이지 or 잉코치 have ads?

Neither 오픽이지 nor 잉코치 shows ads.

### Which is updated more often, 오픽이지 or 잉코치?

오픽이지 ships an update every 5 days, and 잉코치 fortnightly. Most recently, 오픽이지 was updated on October 31, 2026 and 잉코치 on October 31, 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.*