# SpinFable vs Cat's Library

The clearest difference is ads: SpinFable at none against Cat's Library's shown. Cat's Library's advantage is iOS requirement (16.6 vs 18.5). On price, in-app purchases and device support there is nothing between them.

Both are free to download. SpinFable sells 3 one-off in-app purchases and Cat's Library sells 7 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | SpinFable | Cat's Library |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (36 ratings)](https://appshunter.io/ios/app/cats-library-book-tracker/id6752113848/reviews)** |
| Number of ratings | — | **36** |
| Positive reviews | — | 87.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 days |
| Monetization | — | Free with in-app purchases |
| Size | 125 MB | 203 MB |
| Requires iOS | 18.5 | **16.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Eugenio Keller Puente](https://appshunter.io/developer/1566330284) | [Lo-Fi Labs Inc.](https://appshunter.io/developer/6796905768) |

## What reviewers say

### SpinFable

[App page](https://appshunter.io/ios/app/spinfable/id6752037216)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Credits | $1.99 | one-time |
| 350 Credits | $2.99 | one-time |
| 1000 Credits | $6.99 | one-time |


### 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 |


## Frequently asked questions

### Is SpinFable free?

SpinFable is free to download, with in-app purchases available.

### Is Cat's Library free?

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

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

Cat's Library shows ads; SpinFable does not.

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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.*