# Cat's Library vs toony

The clearest difference is in-app purchases: toony at none against Cat's Library's 7. toony also leads on ads (none vs shown) and review sentiment (100% vs 88%). Cat's Library's advantage is update cadence (every 4 days vs fortnightly) and iOS requirement (16.6 vs 18.0). On price 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. toony asks for nothing beyond the download.

Cat's Library ships an update every 4 days, toony fortnightly. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Cat's Library | toony |
| --- | --- | --- |
| 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 | 87.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 236 MB | 27 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lo-Fi Labs Inc.](https://appshunter.io/developer/6796905768) | [jungwoo choi](https://appshunter.io/developer/1896319467) |

## What reviewers say

### Cat's Library

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

Enhance your reading with adorable cats! Track your progress, organize your personal library, and collect favorite quotes. This app offers a unique, motivating, and healing reading experience.

**Highlights:** Read with cats and a reading timer, Organize books into To Read, Currently Reading, Read, Convenient book registration (search, manual, barcode), Collect and save favorite quotes with OCR, Track reading progress and history, Monthly reading activity calendar

**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 |


### toony

[App page](https://appshunter.io/ios/app/toony/id6799003380)

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

**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 toony free?

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

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

Cat's Library shows ads; toony does not.

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

Cat's Library ships an update every 4 days, and toony fortnightly. Most recently, Cat's Library was updated on October 28, 2026 and toony on October 29, 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.*