# 더책 vs 리브로스

The clearest difference is review sentiment: 더책 at 20% against 리브로스's 0%. 리브로스's advantage is update cadence (every 6 weeks vs every 4 months). On price, ads, 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.

더책 ships an update every 4 months, 리브로스 every 6 weeks. The most recent releases landed on November 11, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | 더책 | 리브로스 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **20.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Size | 6 MB | 32 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Media Changbi, Inc.](https://appshunter.io/developer/1491869902) | [(주)이씨오](https://appshunter.io/developer/371073988) |

## What reviewers say

### 더책

[App page](https://appshunter.io/ios/app/id1491869903)

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

**In-app purchases:** none


### 리브로스

[App page](https://appshunter.io/ios/app/id6443501580)

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

**In-app purchases:** none


## Frequently asked questions

### Is 더책 free?

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

### Is 리브로스 free?

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

### Do 더책 or 리브로스 have ads?

Neither 더책 nor 리브로스 shows ads.

### Which is updated more often, 더책 or 리브로스?

더책 ships an update every 4 months, and 리브로스 every 6 weeks. Most recently, 더책 was updated on November 11, 2026 and 리브로스 on November 12, 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.*