# 読書尚友 vs 縦読み

The clearest difference is review sentiment: 縦読み at 88% against 読書尚友's 50%. 縦読み also leads on in-app purchases (none vs 1) and ads (none vs shown). 読書尚友's advantage is update cadence (every 2 weeks vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 読書尚友 sells 1 one-off in-app purchase. 縦読み asks for nothing beyond the download.

読書尚友 ships an update every 2 weeks, 縦読み monthly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 読書尚友 | 縦読み |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/id1579254502/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | **87.5% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 45 MB | 37 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [hishida](https://appshunter.io/developer/314082596) | [Kosuke Isobe](https://appshunter.io/developer/1175953239) |

## What reviewers say

### 読書尚友

[App page](https://appshunter.io/ios/app/id1579254502)

This app is a Japanese vertical text viewer for iOS, offering access to over 10,000 works from Aozora Bunko and supporting local files. It handles various formats and provides customization options for a comfortable reading experience.

**Highlights:** Supports various file formats (text, HTML, PDF, ePub, images, etc.), Automatic character code detection, Browse Aozora Bunko by author, title, genre, and ranking, Download books directly from Aozora Bunko, Customizable font, size, background, and page direction, In-app search and bookmarking

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告削除 | $1.99 | one-time |


### 縦読み

[App page](https://appshunter.io/ios/app/id6479632989)

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

**In-app purchases:** none


## Frequently asked questions

### Is 読書尚友 free?

読書尚友 is free to download, with in-app purchases available.

### Is 縦読み free?

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

### Do 読書尚友 or 縦読み have ads?

読書尚友 shows ads; 縦読み does not.

### Which is updated more often, 読書尚友 or 縦読み?

読書尚友 ships an update every 2 weeks, and 縦読み monthly. Most recently, 読書尚友 was updated on October 24, 2026 and 縦読み 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.*