# 本既読管理 vs Libri 読書管理

The clearest difference is update cadence: Libri 読書管理 at every 3 weeks against 本既読管理's every 11 months. 本既読管理's advantage is iOS requirement (13.0 vs 26.0). On price, ads, 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.

本既読管理 ships an update every 11 months, Libri 読書管理 every 3 weeks. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 本既読管理 | Libri 読書管理 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 weeks** |
| Size | 54 MB | 75 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [shohei tsushima](https://appshunter.io/developer/1278711117) | [BasaApp Technologies](https://appshunter.io/developer/1712971435) |

## What reviewers say

### 本既読管理

[App page](https://appshunter.io/ios/app/id1579168194)

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

**In-app purchases:** none


### Libri 読書管理

[App page](https://appshunter.io/ios/app/libri/id6756832379)

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

**In-app purchases:** none


## Frequently asked questions

### Is 本既読管理 free?

本既読管理 is free to download, with no in-app purchases.

### Is Libri 読書管理 free?

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

### Do 本既読管理 or Libri 読書管理 have ads?

Neither 本既読管理 nor Libri 読書管理 shows ads.

### Which is updated more often, 本既読管理 or Libri 読書管理?

本既読管理 ships an update every 11 months, and Libri 読書管理 every 3 weeks. Most recently, 本既読管理 was updated on November 3, 2026 and Libri 読書管理 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.*