# Muse vs 들락 (Dlock)

The clearest difference is in-app purchases: 들락 (Dlock) at none against Muse's 2. 들락 (Dlock) also leads on update cadence (every 5 days vs every 3 weeks) and iOS requirement (12.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Muse sells 2 in-app purchases, starting at $0.99 per month. 들락 (Dlock) asks for nothing beyond the download.

Muse ships an update every 3 weeks, 들락 (Dlock) every 5 days. The most recent releases landed on February 27, 2026 and August 1, 2026 respectively.

## The numbers

| Metric | Muse | 들락 (Dlock) |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 38.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | — | Free |
| Size | 130 MB | 90 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kyungjin Lee](https://appshunter.io/developer/1222492699) | [Seonhyo Kim](https://appshunter.io/developer/1724612424) |

## What reviewers say

### Muse

[App page](https://appshunter.io/ios/app/muse/id6475005912)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1개월 이용 | $0.99 | per month |
| 1년 이용 | $5.99 | per year |


### 들락 (Dlock)

[App page](https://appshunter.io/ios/app/dlock/id6475640224)

Start your day with 5 minutes of reading to combat dopamine addiction. AI scores your literacy daily and ranks you nationally. Begin your journey to a clearer mind today.

**Highlights:** 5-minute daily reading sessions, AI literacy scoring, National ranking, Dopamine addiction management, Clearer mind focus

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Muse free?

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

### Is 들락 (Dlock) free?

들락 (Dlock) is free to download, with no in-app purchases.

### Do Muse or 들락 (Dlock) have ads?

Both Muse and 들락 (Dlock) show ads.

### Which is updated more often, Muse or 들락 (Dlock)?

Muse ships an update every 3 weeks, and 들락 (Dlock) every 5 days. Most recently, Muse was updated on February 27, 2026 and 들락 (Dlock) on August 1, 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.*