# 클라(KLAR) vs 잘자, 수면에 특화된 음악 및 가이드 앱

The clearest difference is in-app purchases: 클라(KLAR) at none against 잘자, 수면에 특화된 음악 및 가이드 앱's 4. 클라(KLAR) also leads on update cadence (fortnightly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 잘자, 수면에 특화된 음악 및 가이드 앱 sells 4 in-app purchases, starting at $2.99 per month. 클라(KLAR) asks for nothing beyond the download.

클라(KLAR) ships an update fortnightly, 잘자, 수면에 특화된 음악 및 가이드 앱 every 2 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 클라(KLAR) | 잘자, 수면에 특화된 음악 및 가이드 앱 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (5 ratings)](https://appshunter.io/ios/app/klar/id1492006887/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | — |
| Size | 156 MB | 56 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [YBRAIN Inc.](https://appshunter.io/developer/1164027531) | [Sound Platform Co., Ltd.](https://appshunter.io/developer/1601753261) |

## What reviewers say

### 클라(KLAR)

[App page](https://appshunter.io/ios/app/klar/id1492006887)

Reduce daily stress and improve sleep quality to unlock your potential. Engage in guided meditations, calming sleep content, and regular mental check-ins to manage your well-being.

**Highlights:** Stress relief meditations, Sleep improvement content, Mental self-check surveys, Brain training exercises, Relaxing sleep sounds

**In-app purchases:** none


### 잘자, 수면에 특화된 음악 및 가이드 앱

[App page](https://appshunter.io/ios/app/id6446684455)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Membership | $2.99 | per month |
| Yearly Premium Membership | $22.99 | per year |
| Zalza 7 days Ticket | $0.99 | one-time |
| Zalza 30 days Ticket | $1.99 | one-time |


## Frequently asked questions

### Is 클라(KLAR) free?

클라(KLAR) is free to download, with no in-app purchases.

### Is 잘자, 수면에 특화된 음악 및 가이드 앱 free?

잘자, 수면에 특화된 음악 및 가이드 앱 is free to download, with in-app purchases available.

### Do 클라(KLAR) or 잘자, 수면에 특화된 음악 및 가이드 앱 have ads?

Neither 클라(KLAR) nor 잘자, 수면에 특화된 음악 및 가이드 앱 shows ads.

### Which is updated more often, 클라(KLAR) or 잘자, 수면에 특화된 음악 및 가이드 앱?

클라(KLAR) ships an update fortnightly, and 잘자, 수면에 특화된 음악 및 가이드 앱 every 2 months. Most recently, 클라(KLAR) was updated on October 24, 2026 and 잘자, 수면에 특화된 음악 및 가이드 앱 on October 27, 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.*