InkShelf vs Spine

Inkshelf is your ultimate companion for managing your personal book collection and enriching your reading journey. Whether you're an avid reader, a student, or a book collector, Inkshelf helps you organize, track, and cherish every book you read. KEY FEATURES Smart Book Management Add books instantly with ISBN barcode scanning. Automatic cover art and metadata retrieval. Track reading progress with intuitive controls. Personal ratings and reviews for every book. Organize by status: Reading, Completed, or Wishlist. Intelligent Highlights System Capture book excerpts with OCR text recognition. Manual text entry for quick note-taking. Color-coded highlights for easy categorization. Chapter and page number tracking. Add personal notes to any highlight. Powerful search across all your highlights. Filter by book, color, or highlight type. Reading Analytics Visual reading progress tracking. Set and achieve monthly reading goals. Detailed statistics and insights. Track your reading habits over time. Beautiful charts and visualizations. Beautiful and Personalized Modern Material Design 3 interface. Dark and light theme support. Smooth animations and transitions. Multi-language support including English, Chinese, Japanese, Korean, German, and French. Customizable reading goals. Clean, distraction-free interface. Share and Export Export highlights to Markdown or PDF. Create beautiful share cards. Share book information with friends. Backup and restore your data. CSV export for data portability. iCloud Sync Automatic cloud backup. Seamless sync across your devices. Your data stays private and secure. Never lose your reading history. WHY CHOOSE INKSHELF Privacy First: All your data is stored locally on your device. We don't collect or share your personal information. Offline Ready: Full functionality without internet connection. Sync when you're ready. Fast and Reliable: Built with Flutter for native performance on iOS. No Subscription: One-time purchase, lifetime access to all features. Regular Updates: We're constantly improving and adding new features based on user feedback. PERFECT FOR Book lovers who want to organize their collection. Students tracking academic reading. Book clubs managing shared reading lists. Anyone who loves capturing and revisiting book highlights. Readers who want to understand their reading habits. Download Inkshelf today and transform the way you read, remember, and reflect on books. Legal Information: • Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ • Service Terms: https://www.yoshinn.com/terms/en.html (English) | https://www.yoshinn.com/terms/ja.html (日本語) • Privacy Policy: https://www.yoshinn.com/privacy/en.html (English) | https://www.yoshinn.com/privacy/ja.html (日本語)

Spine is the audiobook app you'll actually leave open. It streams from your own cloud library, syncs with Hardcover, and turns the habit of listening into something worth coming back to with listener levels, daily streaks, and a year-in-review Recap bright enough to share. Built native for iOS 26, with Liquid Glass, serif typography, and a player carved into the book's detail page. No subscription. No ads. No in-app purchases. No account to create with us. Bring your own library, keep your own data. WHAT MAKES IT DIFFERENT • ONE PAGE FOR THE BOOK: No separate Now Playing screen. Cover, scrubber, transport, speed, sleep timer, chapters, and bookmarks all live inline on the detail page, on an ambient backdrop tinted by the cover. • CHAPTERS THAT JUST WORK: Single-file M4B audiobooks expose their chapters automatically. Cloud folders with multiple M4Bs split into separate library entries. No manual editing, no reprocessing. • HARDCOVER SYNC: Just listen. Spine logs progress and finished books to Hardcover, pulls cover art, genre, and structured series data, and keeps your shelves in sync. • ON-DEVICE INTELLIGENCE: Open the next book in a tracked series and Spine writes a two-sentence "previously on…" recap from what you've already finished. It also rewrites bloated marketing descriptions into a calm summary, captions your Recap, and cleans up filename-salad titles. All on Apple's on-device foundation model. Nothing about your library leaves the phone. • LEVELS, STREAKS, AND GOALS: Lifetime hours unlock six tiers, from Sapling to Oracle. A unified daily/yearly goal card, a streak chip, and a year-spanning heatmap show the shape of your habit at a glance. • A RECAP YOU'LL WANT TO SHARE: Five bright screens covering hours, finished books, top author and genre, monthly rhythm, and the books you marked Read on Hardcover. One tap stitches the whole thing into a postable image. • PLAYBACK THAT PAYS ATTENTION: Step away for a moment and Spine rewinds a few seconds when you press play. The sleep timer fades audio gently to zero. Finish a series entry and the next book surfaces automatically. • LIVE ON THE LOCK SCREEN: Live Activities follow the current book onto the Lock Screen and Dynamic Island, with a tappable Play/Pause. The home-screen widget mirrors the same control on a cover-tinted backdrop, toggle playback in one tap, even when Spine isn't running. • BOOKMARKS WORTH KEEPING: Tap to mark any moment with a written note. Tap to jump back later. • SEARCH THAT POINTS SOMEWHERE: Open the search tab cold and you get a trending-genre card tuned to what you actually listen to, a Discover list of Audible new releases, and trending shortcuts. Most people aren't searching their own shelf, they're looking for the next thing. • EVERY BOOK IS A DOORWAY: Detail pages carry "More by author", "Top in genre", and a "Part of {Series}" rail that interleaves the books you own with the Hardcover siblings you don't, in reading order, right under your bookmarks. • CLOUD LIBRARY, REPAIRED IN ONE TAP: When a cloud title expires or goes stale, Spine flags it on the detail page and offers a one-tap re-download. No re-adding, no losing your progress. • SPOTLIGHT-INDEXED: Search your library from anywhere in iOS. PRIVACY BY DEFAULT Spine has no servers, no analytics, and no third-party SDKs. API keys live in the iOS Keychain. Your library, listening history, and bookmarks stay on your device (and sync via your own iCloud, if you enable it). The on-device AI features run on Apple Intelligence — your books never leave the phone. REQUIREMENTS • iPhone running iOS 26. • A cloud audiobook library. • A free Hardcover account is recommended for metadata, search, and read sync. • Apple Intelligence-eligible device is required for the optional AI features (everything else works without it).