Calibre View vs CrossPoint Sync

Calibre View lets you browse and manage your Calibre ebook library on iPhone and iPad using cloud storage or local files on your device. Connect your existing Calibre library and explore your entire collection with fast searching, flexible sorting, and powerful filtering, all in a clean, native iOS and iPadOS interface designed for libraries large and small. (Tested with a 15k book library!) Whether you want to quickly find a specific book or explore your collection by tags, authors, or series, Calibre View is built to stay responsive and organized, even with very large libraries. Key Features • Connect to Calibre libraries stored in Dropbox, Google Drive, OneDrive, WebDAV, iCloud, or the Files app • Optionally upload only your metadata.db file to browse your library without downloading covers or books • Smooth performance with very large libraries, tested with collections of 15,000+ books (slightly longer load times for larger libraries, ~1 second per 1000 books) • Customize which columns appear in the book list, similar to Calibre’s desktop view • Sort by any Calibre column, including custom columns • Filter books instantly using tags, authors, series, and other metadata fields • View detailed book information and customize what appears on the book details screen • Tap a tag or author in detail view to immediately narrow results • Choose a column for Quick Filter to refine search results, authors, or tags • Covers are downloaded on demand only when viewing book details, saving bandwidth and storage • Fast, full-library search with instant results • Download books locally and share or open them in other reading apps in any available format • Support for multiple libraries, with quick switching between them, even across different cloud services • Optimized layouts for both iPhone and iPad, including optional horizontal scrolling for portrait phone use • Works fully offline once a library is downloaded (covers and book downloads require connectivity) • Supports both light mode and dark mode

CrossPoint Sync is a wireless companion app for the XTEink X4 e-ink reader. Transfer books, manage your device library, and clip web articles — all over your local WiFi network, no cables required. WIRELESS FILE TRANSFER Send EPUBs to your e-ink reader over WiFi. Uploads are chunked and streamed over for reliable, fast transfers. DEVICE FILE BROWSER Browse the full file system on your e-ink reader directly from your iPhone. Navigate folders, create new folders, delete files, rename files, move files and download books back to your phone. Swipe actions make file management quick and intuitive. SAFARI WEB CLIPPER Save any web article for your e-ink reader with the built-in Safari extension. CrossPoint Web Clipper extracts the article text, downloads images, and converts everything into a clean EPUB that's ready to read on your device. Clips sync automatically the next time you open the app. UPLOAD QUEUE Queue multiple books for transfer and watch them upload one by one with real-time progress tracking. The queue persists across app launches — add books now and they'll transfer automatically when your device connects later. iOS SHARE EXTENSION Share EPUBs from any app — Files, Safari, email — directly into CrossPoint Sync's upload queue. Files are picked up automatically and transferred to your device. SLEEP BACKGROUND CUSTOMIZATION Set a custom sleep screen image on your e-ink reader. Pick any photo from your library, preview it, and upload it to your device as the sleep background. ADDITIONAL FEATURES • Configurable upload paths for books and clipped articles • Dark mode support • Swipe-to-delete and swipe-to-save file actions • Breadcrumb navigation with swipe-back gesture • Device info display: hostname, IP, firmware version