# 평온한 마음 vs mumbler

The clearest difference is ads: mumbler at none against 평온한 마음's shown. mumbler also leads on update cadence (every 3 days vs monthly) and monetization model (free vs ad-supported). On price, review sentiment, in-app purchases and device support there is nothing between them.

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

평온한 마음 ships an update monthly, mumbler every 3 days. The most recent releases landed on October 17, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | 평온한 마음 | mumbler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/mumbler/id6746807998/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Ad-supported | **Free** |
| Size | 18 MB | 25 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [jihyeon kang](https://appshunter.io/developer/1682011820) | [SEOYOUNG JO](https://appshunter.io/developer/1637383328) |

## What reviewers say

### 평온한 마음

[App page](https://appshunter.io/ios/app/id6447620095)

Find inner peace by using this application to strike a wooden fish. Focus on the resonant sound to clear your mind and manage your thoughts. It's a simple tool designed for mindfulness and stress relief.

**Highlights:** Strike a wooden fish, Focus on sound, Clear your mind, Manage thoughts, Achieve peace

**Features:** Vision Pro support

**In-app purchases:** none


### mumbler

[App page](https://appshunter.io/ios/app/mumbler/id6746807998)

This app allows you to record your thoughts and feelings as text entries, timestamped and stored locally on your device. It offers a private space for personal reflection without requiring an internet connection. Entries are organized chronologically by date.

**Highlights:** Local storage for privacy, Offline functionality, Timestamped entries, Chronological organization, Secure personal reflection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 평온한 마음 free?

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

### Is mumbler free?

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

### Do 평온한 마음 or mumbler have ads?

평온한 마음 shows ads; mumbler does not.

### Which is updated more often, 평온한 마음 or mumbler?

평온한 마음 ships an update monthly, and mumbler every 3 days. Most recently, 평온한 마음 was updated on October 17, 2026 and mumbler on October 22, 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.*