# 닥터뮤지 vs Langda

The clearest difference is review sentiment: 닥터뮤지 at 67% against Langda's 50%. On price, update cadence, 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.

닥터뮤지 ships an update fortnightly, Langda every 9 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 닥터뮤지 | Langda |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/and/id1459203031/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | **66.7% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | Free | Free |
| Size | 113 MB | 97 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Socra AI Inc.](https://appshunter.io/developer/968362145) | [OIBORI](https://appshunter.io/developer/1725418309) |

## What reviewers say

### 닥터뮤지

[App page](https://appshunter.io/ios/app/and/id1459203031)

Learn English through popular songs with a unique melodic approach. This app uses music to enhance memory retention and natural language acquisition, featuring top instructors and AI-powered pronunciation coaching.

**Highlights:** Melodic learning with pop songs, 20x better memory retention, Top instructors' 500+ song lectures, Curriculum from basic words to conversation, AI real-time pronunciation coaching, Rhythmic speaking training

**Features:** Vision Pro support

**In-app purchases:** none


### Langda

[App page](https://appshunter.io/ios/app/langda-ai/id6695738311)

This app uses AI to correct and provide feedback on your writing. It helps you track your progress and offers deep explanations for better understanding. Native speaker review ensures accuracy and reliability.

**Highlights:** AI-powered writing correction, Feedback history tracking, Daily writing habit builder, Clear correction UI, Deep explanation feature, Native speaker review

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

**In-app purchases:** none


## Frequently asked questions

### Is 닥터뮤지 free?

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

### Is Langda free?

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

### Do 닥터뮤지 or Langda have ads?

Neither 닥터뮤지 nor Langda shows ads.

### Which is updated more often, 닥터뮤지 or Langda?

닥터뮤지 ships an update fortnightly, and Langda every 9 days. Most recently, 닥터뮤지 was updated on November 3, 2026 and Langda on October 30, 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.*