# 닥터뮤지 vs 그랭

닥터뮤지 and 그랭 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

닥터뮤지 ships an update fortnightly, 그랭 weekly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | 닥터뮤지 | 그랭 |
| --- | --- | --- |
| 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 | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free | — |
| Size | 113 MB | 45 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Socra AI Inc.](https://appshunter.io/developer/968362145) | [WEAVERSMIND](https://appshunter.io/developer/389518645) |

## 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


### 그랭

[App page](https://appshunter.io/ios/app/id6590617509)

**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 그랭 free?

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

### Do 닥터뮤지 or 그랭 have ads?

Neither 닥터뮤지 nor 그랭 shows ads.

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

닥터뮤지 ships an update fortnightly, and 그랭 weekly. Most recently, 닥터뮤지 was updated on November 3, 2026 and 그랭 on November 4, 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.*