# True Epub vs 書房

The clearest difference is update cadence: 書房 at every 3 days against True Epub's fortnightly. True Epub's advantage is iOS requirement (15.6 vs 17.0). 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.

True Epub ships an update fortnightly, 書房 every 3 days. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | True Epub | 書房 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/true-epub/id6757480952/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Free | — |
| Size | 5 MB | 9 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Byung-woo Hwang](https://appshunter.io/developer/1867186958) | [ZEYAN LIN](https://appshunter.io/developer/6785373009) |

## What reviewers say

### True Epub

[App page](https://appshunter.io/ios/app/true-epub/id6757480952)

This app allows you to easily open and read EPUB documents. Customize your reading experience by adjusting font size, adding highlights, and taking notes. Import files directly from your device or through the share menu.

**Highlights:** Open EPUB documents, Adjustable font size, Create highlights, Add notes, Import via Files app, Import via Share menu

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

**In-app purchases:** none


### 書房

[App page](https://appshunter.io/ios/app/id6798525550)

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

**In-app purchases:** none


## Frequently asked questions

### Is True Epub free?

True Epub is free to download, with no in-app purchases.

### Is 書房 free?

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

### Do True Epub or 書房 have ads?

Neither True Epub nor 書房 shows ads.

### Which is updated more often, True Epub or 書房?

True Epub ships an update fortnightly, and 書房 every 3 days. Most recently, True Epub was updated on October 14, 2026 and 書房 on October 24, 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.*