# 크랙 vs sujo

The clearest difference is review sentiment: sujo at 100% against 크랙's 38%. sujo also leads on in-app purchases (none vs 5). 크랙's advantage is price (Free vs $0.99) and update cadence (weekly vs every 2 weeks). On ads there is nothing between them.

크랙 is free to download; sujo costs $0.99 up front. 크랙 sells 5 one-off in-app purchases. sujo asks for nothing beyond the download.

크랙 ships an update weekly, sujo every 2 weeks. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 크랙 | sujo |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[3.0 (25 ratings)](https://appshunter.io/ios/app/ai/id6740223370/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 37.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | **Free** | Paid |
| Size | 237 MB | 3 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [wrtn technologies Inc.](https://appshunter.io/developer/1684966734) | [JaeHoon Ma](https://appshunter.io/developer/1872307920) |

## What reviewers say

### 크랙

[App page](https://appshunter.io/ios/app/ai/id6740223370)

Create your own stories and interact with AI characters in a variety of genres. This app allows you to build unique worlds and narratives through engaging chat conversations, offering an immersive entertainment experience.

**Highlights:** AI character chat, World and story creation, Original creator content, Multiple genres (romance, fantasy, sci-fi), Unlimited free chat, User-created content, AI memory function

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 크래커 12000+1000개 | $7.99 | one-time |
| 캔디팩 3회차 할인 | $49.99 | one-time |
| 크래커 70000+6000개 | $59.99 | one-time |
| 캔디팩 정가 | $59.99 | one-time |
| 캔디팩 2회차 할인 | $59.99 | one-time |


### sujo

[App page](https://appshunter.io/ios/app/sujo/id6800632072)

This app simulates a virtual aquarium where fish swim among letters. Tap the screen to feed them, watch them gather, and enjoy a calming visual experience. It also includes a clock and a timer with customizable completion alerts.

**Highlights:** 12 types of aquariums, 11 fish color variations, Digital and analog clock, Customizable timer with 9 completion sounds, Interactive feeding mechanic, Full-screen display, Automatic launch via shortcuts

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 크랙 free?

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

### Is sujo free?

sujo costs $0.99, with no in-app purchases.

### Do 크랙 or sujo have ads?

Neither 크랙 nor sujo shows ads.

### Which is updated more often, 크랙 or sujo?

크랙 ships an update weekly, and sujo every 2 weeks. Most recently, 크랙 was updated on November 4, 2026 and sujo 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.*