# 잘컸으면 vs 행복일기

The clearest difference is in-app purchases: 잘컸으면 at none against 행복일기's 2. 잘컸으면 also leads on update cadence (every 3 weeks vs every 6 weeks) and iOS requirement (13.4 vs 15.0). 행복일기's advantage is ads (none vs shown). On price, review sentiment and device support there is nothing between them.

Both are free to download. 행복일기 sells 2 in-app purchases, starting at $1.99 per month. 잘컸으면 asks for nothing beyond the download.

잘컸으면 ships an update every 3 weeks, 행복일기 every 6 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 잘컸으면 | 행복일기 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6467383671/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | — | Freemium |
| Size | 25 MB | 119 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yongjae Kim](https://appshunter.io/developer/1688517382) | [ReadyToHeart](https://appshunter.io/developer/1878908463) |

## What reviewers say

### 잘컸으면

[App page](https://appshunter.io/ios/app/id6467383671)

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

**In-app purchases:** none


### 행복일기

[App page](https://appshunter.io/ios/app/id6774859495)

This app offers daily happiness coaching through guided journaling prompts. Explore various diary types like exercise, gratitude, and emotions to cultivate self-care and discover joy in everyday life. It also provides content from happiness experts and a family-focused feature.

**Highlights:** Guided journaling for happiness, Exercise, gratitude, and emotion diaries, Expert happiness coaching content, Daily happiness prompts, Family emotion sharing feature, Progress tracking and reports

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 행복일기 월간 구독 | $1.99 | per month |
| 행복일기 연간 구독 | $22.99 | per year |


## Frequently asked questions

### Is 잘컸으면 free?

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

### Is 행복일기 free?

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

### Do 잘컸으면 or 행복일기 have ads?

잘컸으면 shows ads; 행복일기 does not.

### Which is updated more often, 잘컸으면 or 행복일기?

잘컸으면 ships an update every 3 weeks, and 행복일기 every 6 weeks. Most recently, 잘컸으면 was updated on October 30, 2026 and 행복일기 on October 31, 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.*