vBook – Novel & Book Reader

vBook is an ebook reader designed for fiction and novel lovers. Open almost any ebook format, translate Chinese novels into Vietnamese in real time while reading, and listen to books with natural-sounding Vietnamese AI voices — all processed directly on your device.

READ ALMOST ANY BOOK FORMAT

Supported formats: EPUB, PDF, TXT, MOBI, AZW, AZW3, PRC, FB2, CBZ, ZIP, DOC, DOCX, ODT, RTF, HTML, Markdown, CHM, UMD, and HWP.

TXT files: • Automatically detect character encodings such as UTF-8, GBK, and Big5. • Split books into chapters based on heading patterns. • Preview the table of contents before importing. • Edit chapter detection rules and preview again until everything looks right.

DOCX files: • Import large DOCX files quickly. • Preserve bold, italic, text colors, and alignment.

Reading experience: • Choose between page turning and vertical scrolling. • Customize fonts, including custom fonts, font size, line spacing, margins, background colors, and background images. • Bookmark pages, add notes, look up words, and search within books. • Enjoy Material, Liquid Glass, and Flat themes. • Use E-Ink mode optimized for e-readers.

TRANSLATE CHINESE NOVELS (QT)

• Translate Chinese novels into Vietnamese directly while reading, completely offline. • Use familiar Chinese-Vietnamese conversion dictionaries, including Han-Viet, VietPhrase, Name, and Pronoun. • Automatically recognize proper names, dates, numbers, and units for more natural translations. • Create custom dictionaries for each novel. • Edit translations and add names while reading, with changes applied instantly. • Customize translation rules, import and export dictionaries, and merge dictionaries. • Translate entire books in the background.* • Translate text in images and Chinese comics using on-device OCR.

LISTEN WITH AI VOICES

• Enjoy high-quality Vietnamese AI voices powered by VieNeu, running offline without sending your text to any server. • Create custom reading voices through voice cloning using a short audio recording of yourself or someone you know. • Add multilingual Piper voices or use your device's built-in text-to-speech voices. • Choose the processing level to suit your device, from lightweight options for everyday phones to high-quality options for newer devices. • Enjoy sentence-by-sentence highlighting, a sleep timer, lock screen controls, and home screen widgets. • Listen to either the original text or the translated version. • Pre-generate chapter audio files to enjoy your books offline, just like audiobooks.*

SYNC AND MANAGE YOUR LIBRARY

• Back up and sync your library through Google Drive or WebDAV. • Access OPDS and WebDAV libraries, including Calibre, Kavita, and NAS servers. • Export books to EPUB 2/3, KEPUB for Kobo, PDF, DOCX, TXT, and HTML, or send them directly to Kindle.* • Use the built-in web service to manage and read your library from a desktop browser over the same Wi-Fi network.* • Enjoy home screen widgets and support for 21 languages.

IMPORTANT INFORMATION

vBook does not include any preloaded book content. You can read files that you own or have permission to use.

Basic reading, Chinese-to-Vietnamese translation, and AI voice reading features are available for free.

Features marked with an asterisk (*) require a Premium subscription.

Premium is a subscription billed through Google Play and automatically renews. You can cancel your subscription at any time through Google Play by navigating to Payments & subscriptions.

Privacy Policy: https://vbookapp.com/privacy

Terms of Use: https://vbookapp.com/terms

Recent changes:
- Free-form bookshelf: create folders, drag and drop to arrange, faster multi-select
- New Flat interface style, with a visual preview when picking a style
- Smoother page turns; AI voices no longer cut off the end of sentences
- Bug fixes and stability improvements