# GGUZUNI vs 질문일기

The clearest difference is ads: 질문일기 at none against GGUZUNI's shown. 질문일기 also leads on iOS requirement (12.0 vs 15.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. GGUZUNI sells 3 one-off in-app purchases and 질문일기 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 25, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | GGUZUNI | 질문일기 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (16 ratings)](https://appshunter.io/ios/app/gguzuni-30-day-challenge/id1548106928/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 96.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 62 MB | 65 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Sungeun Park](https://appshunter.io/developer/1406693209) | [KyongDon Um](https://appshunter.io/developer/1556429574) |

## What reviewers say

### GGUZUNI

[App page](https://appshunter.io/ios/app/gguzuni-30-day-challenge/id1548106928)

Build new habits with daily challenges. Track your progress by completing missions and earning stickers. Share your achievements on social media and enjoy seasonal sticker collections.

**Highlights:** 30-day habit challenges, Daily mission completion, Sticker rewards system, Social media sharing, Seasonal sticker collections, Customizable challenge names

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hobby GGUZUNI | $1.00 | one-time |
| Exercise GGUZUNI | $1.00 | one-time |
| GGUZUNI PLUS PRO | $2.99 | one-time |


### 질문일기

[App page](https://appshunter.io/ios/app/5/id6448211821)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 프리미엄 구매 | $0.99 | one-time |


## Frequently asked questions

### Is GGUZUNI free?

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

### Is 질문일기 free?

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

### Do GGUZUNI or 질문일기 have ads?

GGUZUNI shows ads; 질문일기 does not.

### Which is updated more often, GGUZUNI or 질문일기?

GGUZUNI ships an update every 3 months, and 질문일기 every 3 months. Most recently, GGUZUNI was updated on September 25, 2026 and 질문일기 on September 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.*