Calibre View vs Sutra

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

Sutra is a warm, thoughtful home for every book and comic you love. Bring together your self-hosted library, your manga, your classic EPUBs, and those “just one more chapter” reads in one beautifully calm reader. Connect Kavita, Komga, or Calibre; explore any OPDS catalogue; or discover a new favourite from Project Gutenberg and Standard Ebooks. READ YOUR WAY • Enjoy EPUB, PDF, CBZ, MOBI, fixed-layout comics, and manga in one place • Move through comics panel by panel, or take in the whole page • Read right-to-left manga and beautiful iPad two-page spreads • Make the page yours with fonts, text size, spacing, themes, auto-scroll, page turns, and Sutra-only brightness control A LIBRARY THAT FEELS LIKE HOME • Browse dedicated Series and Collection views, with Favorites always close by • Sort by Recently Read, Title, Author, or Date Added while staying in a familiar cover grid • Let Sutra recover missing Calibre series details and keep your library beautifully organised • Pick up where you left off with dependable progress and finished-book sync for Kavita and Komga BUILT FOR SELF-HOSTERS • Connect Kavita, Komga, Calibre, Grimmory, or another OPDS server • Stream comic pages from Kavita and Komga when available, or download for offline reading • Keep your highlights and reading progress with you across your Apple devices Sutra is free to enjoy for EPUB and PDF reading, with no ads and no subscription. Unlock unlimited CBZ, MOBI, and Komga reading once, and keep it forever.