# 꼬북목 vs CYRUS

The clearest difference is ads: 꼬북목 at none against CYRUS's shown. On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 6 months. The most recent releases landed on September 26, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 꼬북목 | CYRUS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | Every 6 months |
| Size | 66 MB | 92 MB |
| Requires iOS | 15.5 | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [minhyun lee](https://appshunter.io/developer/1729065316) | [서한이노텍에너기브](https://appshunter.io/developer/1816080145) |

## What reviewers say

### 꼬북목

[App page](https://appshunter.io/ios/app/id6477348702)

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

**In-app purchases:** none


### CYRUS

[App page](https://appshunter.io/ios/app/cyrus/id6739202016)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 꼬북목 free?

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

### Is CYRUS free?

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

### Do 꼬북목 or CYRUS have ads?

CYRUS shows ads; 꼬북목 does not.

### Which is updated more often, 꼬북목 or CYRUS?

꼬북목 ships an update every 6 months, and CYRUS every 6 months. Most recently, 꼬북목 was updated on September 26, 2026 and CYRUS on October 3, 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.*