# 読書管理CatBook vs よみサポ

The clearest difference is ads: よみサポ at none against 読書管理CatBook's shown. 読書管理CatBook's advantage is iOS requirement (12.0 vs 15.1). On price, update cadence, 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.

読書管理CatBook ships an update monthly, よみサポ every 2 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 読書管理CatBook | よみサポ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Ad-supported | — |
| Size | 82 MB | 33 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sumie Watanabe](https://appshunter.io/developer/1349237972) | [yuuri inoue](https://appshunter.io/developer/1884553322) |

## What reviewers say

### 読書管理CatBook

[App page](https://appshunter.io/ios/app/catbook/id1565953416)

Track your reading progress, including title, author, and reading status. Organize books by series or magazine issues and get reminders for library book returns. Easily add books via ISBN scan.

**Highlights:** Record title, author, volume, notes, and reading progress, Organize books by series or magazine issues, Library mode with return date reminders, ISBN search with camera scanning, Save data to CSV, Calendar view for reading records

**Features:** macOS Compatibility

**In-app purchases:** none


### よみサポ

[App page](https://appshunter.io/ios/app/id6760947477)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 読書管理CatBook free?

読書管理CatBook is free to download, with no in-app purchases.

### Is よみサポ free?

よみサポ is free to download, with no in-app purchases.

### Do 読書管理CatBook or よみサポ have ads?

読書管理CatBook shows ads; よみサポ does not.

### Which is updated more often, 読書管理CatBook or よみサポ?

読書管理CatBook ships an update monthly, and よみサポ every 2 weeks. Most recently, 読書管理CatBook was updated on October 24, 2026 and よみサポ 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.*