# 꾸욱 vs 오푸스

The clearest difference is review sentiment: 꾸욱 at 100% against 오푸스's 33%. 오푸스's advantage is update cadence (weekly vs fortnightly). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 꾸욱 sells 10 one-off in-app purchases and 오푸스 sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

꾸욱 ships an update fortnightly, 오푸스 weekly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 꾸욱 | 오푸스 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 26 MB | 134 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Deeplite](https://appshunter.io/developer/1884807963) | [NarrowLabs](https://appshunter.io/developer/1896334457) |

## What reviewers say

### 꾸욱

[App page](https://appshunter.io/ios/app/ai/id6760520378)

Create and interact with AI characters to build personalized stories and explore different narrative paths. Engage in quick chats or immersive novel-style storytelling, and collect unique images that enhance your narrative experience.

**Highlights:** Create custom AI characters, Engage in chat or novel modes, Collect story-generated images, Choose AI writing styles, No subscription required

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 편지지 1000 | $0.99 | one-time |
| 4,900 젤리 | $2.99 | one-time |
| 편지지 3000 | $2.99 | one-time |
| 편지지 5000 | $3.99 | one-time |
| 11,900 젤리 | $6.99 | one-time |
| 14,900 젤리(첫 결제 전용) | $6.99 | one-time |
| 편지지 10000 | $8.99 | one-time |
| 23,900 젤리(첫 결제 전용) | $14.99 | one-time |
| 47,900 젤리 | $29.99 | one-time |
| 93,000 젤리 | $59.99 | one-time |


### 오푸스

[App page](https://appshunter.io/ios/app/id6766886016)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 잉크 20개 | $1.99 | one-time |
| 잉크 66개 | $5.99 | one-time |
| 잉크 100개 | $5.99 | one-time |
| 잉크 160개 | $14.99 | one-time |
| 잉크 340개 | $29.99 | one-time |
| 잉크 685개 | $59.99 | one-time |


## Frequently asked questions

### Is 꾸욱 free?

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

### Is 오푸스 free?

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

### Do 꾸욱 or 오푸스 have ads?

Neither 꾸욱 nor 오푸스 shows ads.

### Which is updated more often, 꾸욱 or 오푸스?

꾸욱 ships an update fortnightly, and 오푸스 weekly. Most recently, 꾸욱 was updated on November 5, 2026 and 오푸스 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.*