# 読書尚友 vs 青空文庫Stella

The clearest difference is review sentiment: 青空文庫Stella at 100% against 読書尚友's 50%. 青空文庫Stella also leads on ads (none vs shown) and update cadence (every 4 days vs every 2 weeks). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. 読書尚友 sells 1 one-off in-app purchase and 青空文庫Stella sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

読書尚友 ships an update every 2 weeks, 青空文庫Stella every 4 days. The most recent releases landed on October 30, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | 読書尚友 | 青空文庫Stella |
| --- | --- | --- |
| 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 | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 45 MB | 195 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [hishida](https://appshunter.io/developer/314082596) | [kyohei sugita](https://appshunter.io/developer/1850242429) |

## 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 |


### 青空文庫Stella

[App page](https://appshunter.io/ios/app/stella/id6754812697)

Discover Japanese literature through intuition and chance. This app uses a unique Tarot feature to suggest passages, allowing you to build a personal bookshelf of resonant literary fragments. It offers tools for language learners, including furigana modes and customizable reading settings.

**Highlights:** Tarot-guided literary discovery, Personalized bookshelf, Furigana (Ruby) modes, Font size and theme customization, Aesthetic quote card creation, Reading profile sharing

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stellaプレミアム | $0.99 | per month |
| Stellaプレミアム | $0.99 | per month |
| Stellaプレミアム（年間） | $9.99 | per year |


## Frequently asked questions

### Is 読書尚友 free?

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

### Is 青空文庫Stella free?

青空文庫Stella is free to download, with in-app purchases available.

### Do 読書尚友 or 青空文庫Stella have ads?

読書尚友 shows ads; 青空文庫Stella does not.

### Which is updated more often, 読書尚友 or 青空文庫Stella?

読書尚友 ships an update every 2 weeks, and 青空文庫Stella every 4 days. Most recently, 読書尚友 was updated on October 30, 2026 and 青空文庫Stella on October 1, 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.*