# Stacks: Book Scanner & Library — AI Librarian for Your Books > AI-powered book scanner and digital library organizer for physical book collections. (iPhone/iPad app by Zenmonkeys Digital LLC.) - Source: https://appshunter.io/ios/app/stacks-book-scanner-and-library/id6778984902 (this page in markdown: same URL + `.md`) - Developer: [Zenmonkeys Digital LLC](https://appshunter.io/developer/1868802546) - Category: Books, Lifestyle - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 17.0 · 11 MB - Languages: American English - Released: 2026-06-16 - Data updated: 2026-07-17 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/stacks-book-scanner-and-library/id6778984902/reviews.md ## What is Stacks? Your shelves, in your pocket. Photograph a bookshelf and Stacks catalogs every book on it — titles, authors, covers, page counts — in one scan. No typing, no barcode-scanning books one at a time. Six shelves, one tap each, and your whole library is with you everywhere. SCAN A SHELF, GET YOUR LIBRARY • One photo catalogs an entire shelf — 20, 30, 40 books at once • Real cover art, page counts, and publication years fill in automatically • Honest AI: spines it can't read are flagged with their position, never guessed A LIBRARY THAT LOOKS LIKE A LIBRARY • The Shelf view renders your books as actual spines — width from page count, color from the real cover • Sort by author, genre, or color: your shelves as a rainbow • Grid and list views, search, and smart shelves: Unread, Favorites, Lent Out KNOW YOUR OWN TASTE • Every scan reads your shelf and tells you something true about your taste • "Read next" picks come from books you already own — starting with your unread pile • Insights: pages owned, top genres, most-shelved authors, books added over time NEVER LOSE A BOOK AGAIN • Standing in a bookstore wondering if you own it? Search your library in a second • The lending tracker remembers who borrowed what, and since when • Rate, mark read, and keep notes on every book YOUR READING CONCIERGE (PRO) • A book-loving AI that knows your entire library • What to read next, what to buy, what to gift — grounded in your actual shelves, not bestseller lists • Chat about any single book: themes, characters, what to read after it Your library is backed up privately and automatically — no account, no sign-up. New users get 3 free shelf scans. Stacks Pro unlocks the concierge and 50 scans a month: $4.99/month or $34.99/year with a 7-day free trial. Stacks is for people whose books are part of who they are. Scan your shelves and see your library the way it deserves to be seen. — Terms of Use: https://zencodex.io/apps/stacks/terms Privacy Policy: https://zencodex.io/apps/stacks/privacy ## Key features - Scan entire bookshelves with one photo - Automatic book identification (title, author, cover) - Visual library display with spine width and color - Smart sorting by author, genre, or color - Track lent books and borrower information - Personalized reading recommendations based on owned books - AI-powered book concierge for recommendations and discussions ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Pro Monthly | $4.99 | per month | | Pro Yearly | $34.99 | per year | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | 3 Scans | $0.99 | one-time | | 15 Scans | $3.99 | one-time | ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/stacks-book-scanner-and-library/id6778984902/reviews.md ### 5/5 — Like Magic! *2026-06-17* All you have to do is take a picture of your bookshelf and it catalogs all your books! ## Frequently asked questions about Stacks ### How does Stacks catalog books? Stacks uses AI to photograph entire bookshelves and automatically identify books by their titles, authors, and covers. It then populates your digital library with this information, including real cover art and page counts. ### Can Stacks identify books with unreadable spines? Yes, Stacks is designed to be honest. If a spine is unreadable, it will be flagged with its position on the shelf rather than being guessed, ensuring accuracy in your catalog. ### What are the benefits of Stacks Pro? Stacks Pro unlocks the AI Reading Concierge, offering personalized 'what to read next' and gifting suggestions based on your actual library. It also provides 50 scans per month. ### How much does Stacks Pro cost? Stacks Pro is available for $4.99 per month or $34.99 per year. The yearly subscription includes a 7-day free trial. ### Does Stacks have ads? No, Stacks does not contain advertisements. The app is free to use with optional in-app purchases for premium features. ### What devices does Stacks support? Stacks is available for iPhone and iPad, allowing you to manage your library across Apple devices. ### How often is Stacks updated? The latest version of Stacks is 1.3, and it was last updated on June 24, 2026. Updates typically bring new features and improvements to the app. ### Is my library data private with Stacks? Yes, your library is backed up privately and automatically without requiring an account or sign-up, ensuring your data remains secure. ## Version history (last 5 releases) ### 1.31 — 2026-06-30 What's new in this update: • Scout a shelf — point your camera at any bookstore or thrift-shop shelf and instantly see which books are worth grabbing for your taste, with one tap to save them. • Librarian's picks — book recommendations right on your home and Librarian screens. Tap a pick for details and a description, browse by category, or search the whole catalog. • Want list — a wishlist for books you don't own yet. Add picks and scouted finds, then mark them owned when you get them. • A fresh, more readable design — bigger, warmer type across book pages, summaries, and your margin notes. • A new welcome screen to help you get started faster. • Fixes and polish: a cleaner book-detail menu, larger margin notes, and more reliable Librarian chat for big libraries. ### 1.3 — 2026-06-24 What's new in this update: • Scout a shelf — point your camera at any bookstore or thrift-shop shelf and instantly see which books are worth grabbing for your taste, with one tap to save them. • Librarian's picks — book recommendations right on your home and Librarian screens. Tap a pick for details and a description, browse by category, or search the whole catalog. • Want list — a wishlist for books you don't own yet. Add picks and scouted finds, then mark them owned when you get them. • A fresh, more readable design — bigger, warmer type across book pages, summaries, and your margin notes. • A new welcome screen to help you get started faster. • Fixes and polish: a cleaner book-detail menu, larger margin notes, and more reliable Librarian chat for big libraries. ### 1.2 — 2026-06-19 What's new: • Clearer "Analyze" button after you scan your shelves • Stability improvements ### 1.1 — 2026-06-16 What's new: • Add a book instantly by scanning its barcode (ISBN) • More accurate covers, authors, and book details • Text size now scales across your whole library • Tap straight through into your reading insights ### 1.0 — 2026-06-16 No release notes. ## More apps by Zenmonkeys Digital LLC - [Kenso Workout Tracker Gym Log](https://appshunter.io/ios/app/kenso-workout-tracker-gym-log/id6757764992) - [Care Leaf: Plant Care Tracker](https://appshunter.io/ios/app/care-leaf-plant-care-tracker/id6757990618) - [Form: AI Physique Coach](https://appshunter.io/ios/app/form-ai-physique-coach/id6777581765) - [Crumb: AI Sourdough Coach](https://appshunter.io/ios/app/crumb-ai-sourdough-coach/id6777581829) - [CareLeaf: Plant Care, Plant ID](https://appshunter.io/ios/app/careleaf-plant-care-plant-id/id6777581864) All apps by Zenmonkeys Digital LLC: https://appshunter.io/developer/1868802546 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-17.*