OnlyBooks vs Perfect Viewer X

Your books deserve a better home than a spreadsheet. OnlyBooks turns your reading life into a beautiful virtual bookshelf — every book you own or have read, arranged as spines just like a real shelf. Add a book in seconds, watch your collection grow. A shelf that looks the part Books are rendered as spines with their real cover art and colours. Customise the wall, adjust shelf colours, and make it yours. Track what matters Log when you started and finished a book, or simply mark it as read if you can't remember the dates. Your stats page shows how many books you've read each month and how many pages you've powered through. Find any book instantly Search the Open Library catalogue of millions of titles to add books with cover art, author, year, and page count filled in automatically. Add several books at once with multi-select. Stay organised Tag books by genre, series, or anything else. Filter your shelf by tag, reading status, or month to find exactly what you're looking for. Your data, your device Everything is stored locally — no account, no cloud, no tracking. Export your entire library as a backup and import it on any device.

Perfect Viewer X is a brand new cross-platform version of the classic Perfect Viewer, a professional reader designed for image and e-book enthusiasts. Whether you're a comic fan, photographer, or e-book reader, Perfect Viewer X delivers the best reading experience on your iPhone, iPad, and Mac. Supports Over 20 File Formats • Images: JPEG, PNG, WebP, AVIF, JPEG XL, HEIF, TIFF, GIF, BMP, etc. • Archives: ZIP, RAR, 7Z, CBZ, CBR, CB7, TAR, LZH, etc. • E-books: EPUB, MOBI, AZW, FB2, TXT, HTML • Documents: PDF, DjVu Professional Image Processing • Automatic color correction and contrast adjustment • Hue, saturation, and brightness control • Image sharpening and edge cropping detection • Grayscale and color inversion modes • Multiple zoom and fit modes Flexible Reading Modes • Automatic single/dual page switching • Left-to-right or right-to-left reading • Vertical scrolling mode • Auto-rotation feature • Full-screen immersive reading Cloud & Network Storage Integration • iCloud Drive support — open and sync your files across all your Apple devices • Full Google Drive support • SMB/CIFS network share support • FTP/FTPS/SFTP protocol support • WebDAV server support • Browse and open remote files directly • Automatic login and authentication Highly Customizable • Customizable touch zones and gestures • Hardware key mapping • Quick action bar customization • Day/Night themes • Detailed display settings Complete File Management • Built-in file browser • Bookshelf and favorites • Reading history • Bookmark feature • Settings export/import E-book Exclusive Features • Table of contents navigation • Full-text search • Text selection • Custom fonts and sizes • Paragraph spacing adjustment Advanced Features • Slideshow auto-play • Magnifier and balloon magnifier • Quick screen brightness adjustment • Preference management • Multi-language interface