---
title: "ShuBook X 書僕 — App Overview"
url: https://marlvel.ai/intel-report/book/shubook-x
category: Book
developer: Ambibma Ltd.
platforms: ios
rating: 3.3 (12 ratings)
pricing: freemium
report_level: overview
generated: 2026-04-28
last_verified: "2026-04-28T04:41:06.013Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** While highly functional for Chinese text manipulation and layout, the app faces user criticism regarding the reliability of iCloud synchronization and its subscription-based access model.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Book |
| Rating | 3.3 ★ (12) |
| Pricing | freemium |
| Platforms | iOS |
| Latest Version (iOS) | 15.3.1 |
| Developer | Ambibma Ltd. |

<!-- SECTION: Summary -->
## What is ShuBook X 書僕?

ShuBook X is a specialized e-book reader and management tool designed for Chinese-language users, featuring advanced text processing and format conversion capabilities. It distinguishes itself with proprietary SOF format support, intelligent text-to-speech, and robust layout customization for both vertical and horizontal reading.

<!-- SECTION: Key Features -->
## Key Features

- **Advanced Chinese Text Processing**: Provides bidirectional conversion between Simplified and Traditional Chinese, including intelligent handling of punctuation and multi-pronunciation text-to-speech.
- **SOF Format Support**: Utilizes the proprietary ShuBook Open Format (SOF) to enable standardized chaptering, metadata management, and one-click conversion to EPUB.
- **Customizable Reading Experience**: Offers extensive layout parameters including font customization, line spacing, margin adjustments, and multiple reading modes like vertical or horizontal scrolling.
- **Offline Audio Features**: Supports offline text-to-speech with multiple voice options, adjustable playback speed, and Bluetooth remote control integration.

<!-- SECTION: Target Audience -->
## Who is it for?

Avid readers and amateur editors who require granular control over Chinese text formatting, layout, and cross-format e-book conversion.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/shubook-x-%E6%9B%B8%E5%83%95/id1497625038?uo=4)
- [Full Intelligence Report](https://marlvel.ai/intel-report/book/shubook-x)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/book/shubook-x).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*