BookVault Box

Private Book Vault — the offline novel reader & local file library Private Book Vault is a private, local-first offline novel reader. Whether you read web novels, classic literature or organize your personal files, it has you covered. All your books, ebooks, documents, reading progress, notes and tags are stored safely on your device — no account, no cloud upload, no data collection. A true offline reading experience, ready whenever you are. Features • File management & multi-format import Import 20+ formats including txt, PDF, Word, Markdown, Excel, PPT, RTF, ODT, HTML, CSV, JSON, XML and images. Pick files from the Files app in batches, or share/open from any app to import, then organize your private library and documents with categories. • Novel reader, comfortable reading Flip or scroll modes, adjustable font size and line spacing, day/night eye-care themes. TXT novels auto-detect chapters and table of contents, with reading progress remembered. A thoughtful reader that's easy on the eyes. • Notes & annotations Add personal notes and annotations to any selected text, tag books, organize by category, and search your library anytime. • White noise ambience 7 white noise soundscapes — rain, thunder, birdsong and more — to keep you focused and immersed. • Reading calendar Track reading time by day, week and month with heatmaps and beautiful charts, and build a reading habit. • Build your library Choose from multiple bookshelf themes, wallpaper backgrounds and accent colors. Supports 5 languages: English, Simplified Chinese, Traditional Chinese, Japanese, Korean. Premium (one-time purchase, no subscription) • Unlimited book import (free version: up to 5 books) • All bookshelf themes and backgrounds • White noise ambience • iCloud sync to back up and restore your library across your own devices Your data stays completely private. Everything is stored locally; iCloud sync is optional and only runs between your own devices under your Apple ID.