# 독파 vs Cat's Library

The clearest difference is in-app purchases: 독파 at none against Cat's Library's 7. 독파 also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.6). Cat's Library's advantage is update cadence (every 4 days vs every 3 weeks). On price, review sentiment, monetization model and device support there is nothing between them.

Both are free to download. Cat's Library sells 7 in-app purchases, starting at $4.99 per month. 독파 asks for nothing beyond the download.

독파 ships an update every 3 weeks, Cat's Library every 4 days. The most recent releases landed on November 4, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | 독파 | Cat's Library |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (47 ratings)](https://appshunter.io/ios/app/cats-library-book-tracker/id6752113848/reviews)** |
| Number of ratings | — | **47** |
| Positive reviews | 85.0% of reviews | **87.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 39 MB | 249 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Munhakdongne Publishing Co., Ltd.](https://appshunter.io/developer/534044124) | [Lo-Fi Labs Inc.](https://appshunter.io/developer/6796905768) |

## What reviewers say

### 독파

[App page](https://appshunter.io/ios/app/id6670148907)

This online reading community helps book lovers achieve their reading goals through challenges, author events, and discussions. Connect with writers, editors, and fellow readers to share insights and create lasting reading experiences.

**Highlights:** Reading goal achievement challenges, Author Zoom book talks, Reading group discussions, Curated book selections, Post-reading reflection missions, Community forums

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

**In-app purchases:** none


### Cat's Library

[App page](https://appshunter.io/ios/app/cats-library-book-tracker/id6752113848)

Enhance your reading journey with a charming companion. Track your reading progress, organize your personal library, and collect favorite quotes. Customize your experience with themes and outfits earned through reading.

**Highlights:** Reading timer with cat companion, Personalized bookshelf organization, Quote collection with OCR, Social sharing of bookshelves, Customizable cat outfits and room themes, Reading progress statistics, Barcode book recognition

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Book Butler Monthly Sub | $4.99 | per month |
| Pro Book Butler Annual Subscription | $29.99 | per year |
| Pro Book Butler Annual Subscription | $29.99 | per year |
| Coin Pack - 100 | $1.49 | one-time |
| Coin Pack - 500 | $6.49 | one-time |
| Coin Pack - 1000 | $9.99 | one-time |
| Pro Book Butler Lifetime Subs | $79.99 | one-time |


## Frequently asked questions

### Is 독파 free?

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

### Is Cat's Library free?

Cat's Library is free to download, with in-app purchases available.

### Do 독파 or Cat's Library have ads?

Cat's Library shows ads; 독파 does not.

### Which is updated more often, 독파 or Cat's Library?

독파 ships an update every 3 weeks, and Cat's Library every 4 days. Most recently, 독파 was updated on November 4, 2026 and Cat's Library on November 6, 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.*