# Cat's Library vs DadokBook

The clearest difference is in-app purchases: DadokBook at none against Cat's Library's 7. On price, update cadence, ads 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. DadokBook asks for nothing beyond the download.

Cat's Library ships an update every 4 days, DadokBook weekly. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Cat's Library | DadokBook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (44 ratings)](https://appshunter.io/ios/app/cats-library-book-tracker/id6752113848/reviews)** | — |
| Number of ratings | **44** | — |
| Positive reviews | 86.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 237 MB | 102 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lo-Fi Labs Inc.](https://appshunter.io/developer/6796905768) | [WANKI KIM](https://appshunter.io/developer/1708798516) |

## What reviewers say

### 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 progress, organize your library, and collect favorite quotes. Customize your reading space and share your literary adventures with friends.

**Highlights:** Reading timer with cat companion, Organize books by status, Barcode book registration, Quote collection with OCR, Social bookshelf sharing, Customizable cat outfits and room themes, Reading recap and statistics

**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 |


### DadokBook

[App page](https://appshunter.io/ios/app/dadokbook-reading-tracker/id6782623269)

**In-app purchases:** none


## Frequently asked questions

### Is Cat's Library free?

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

### Is DadokBook free?

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

### Do Cat's Library or DadokBook have ads?

Both Cat's Library and DadokBook show ads.

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

Cat's Library ships an update every 4 days, and DadokBook weekly. Most recently, Cat's Library was updated on October 30, 2026 and DadokBook on October 25, 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.*