# 読書管理ビブリア vs SapomeReader

The clearest difference is in-app purchases: SapomeReader at none against 読書管理ビブリア's 1. SapomeReader also leads on ads (none vs shown) and update cadence (every 10 days vs every 2 months). 読書管理ビブリア's advantage is ratings volume (24 vs 1). On iOS requirement there is nothing between them.

SapomeReader holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: 読書管理ビブリア has 24 ratings behind it against 1, so its average is the more settled of the two.

読書管理ビブリア ships an update every 2 months, SapomeReader every 10 days. The most recent releases landed on September 22, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | 読書管理ビブリア | SapomeReader |
| --- | --- | --- |
| Price | **Free** | — |
| Rating | [4.8 (24 ratings)](https://appshunter.io/ios/app/id894377244/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sapomereader/id6759449315/reviews)** |
| Number of ratings | **24** | 1 |
| Positive reviews | 95.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | — | Free with in-app purchases |
| Size | 32 MB | 7 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Keisuke Uchida](https://appshunter.io/developer/584870453) | [Shouji Fujise](https://appshunter.io/developer/1878657851) |

## What reviewers say

### 読書管理ビブリア

[App page](https://appshunter.io/ios/app/id894377244)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ビブリアクラブ | $4.99 | per month |


### SapomeReader

[App page](https://appshunter.io/ios/app/sapomereader/id6759449315)

This app allows you to listen to support emails from Kazuyo Katsuma by converting them into audio. It offers features like searching past emails, organizing series, and background playback, making it easy to consume content on the go.

**Highlights:** Listen to support emails, Search back numbers, Organize series articles, Background playback, Customize audio speed, Read-and-listen display

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 読書管理ビブリア free?

読書管理ビブリア is free to download, with in-app purchases available.

### Is SapomeReader free?

Pricing for SapomeReader is not currently listed on the App Store.

### Which has better reviews, 読書管理ビブリア or SapomeReader?

SapomeReader is rated higher. 読書管理ビブリア averages 4.8 out of 5 from 24 ratings, while SapomeReader averages 5.0 from 1 ratings.

### Do 読書管理ビブリア or SapomeReader have ads?

読書管理ビブリア shows ads; SapomeReader does not.

### Which is updated more often, 読書管理ビブリア or SapomeReader?

読書管理ビブリア ships an update every 2 months, and SapomeReader every 10 days. Most recently, 読書管理ビブリア was updated on September 22, 2026 and SapomeReader on September 27, 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.*