Stacks: Book Scanner & Library

Your shelves, in your pocket.

Catalog every book you own, then keep track of what you read. Photograph a shelf, scan barcodes, or import your Goodreads or StoryGraph library — your whole collection is with you everywhere, on iPhone and iPad.

BUILD YOUR LIBRARY YOUR WAY
• Shelf scan: one photo catalogs an entire shelf — 20, 30, 40 books at once
• Barcode auto-add: scan, hear the beep, move to the next book — with undo if you catch a wrong one
• Import from Goodreads or StoryGraph with a CSV export, and export your library back out any time
• 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

TRACK YOUR READING
• Mark each book Not started, Reading, Read, or Didn't finish, with start and finish dates
• A Currently reading row and a Reading shelf keep what you're in the middle of up front
• Set a yearly reading goal and see your pace for the year (Pro)

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

SCOUT SHELVES & BUILD A WISHLIST
• Scout mode: point your camera at a bookstore or thrift-shop shelf and see which books fit your taste — before you buy
• Librarian's picks (Pro): curated recommendations you can browse by category or search across the whole catalog
• Add any book to your Library or your Want list in a tap — from picks, a scout, or a search

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

DESIGNED FOR IPHONE & IPAD
• On iPad: a sidebar, multi-column shelves, and a two-page book view that fills the screen
• Portrait or landscape, with Split View and Stage Manager
• Your library and Want list stay in sync across devices

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, track what you're reading, and keep notes on every book

YOUR LIBRARIAN (PRO)
• A weekly note on what to start next — from your own unread shelves, with the reasons
• Picks chosen for your shelves: real books you don't own yet, tuned to what you've loved
• A book-loving AI that knows your entire library: what to read, buy, or gift — grounded in your actual shelves, not bestseller lists
• Chat with any single book, in its own voice
• Share a Shelfie: your library as a story card — rainbow shelf, reading fingerprint, most-shelved authors

Your library is backed up privately and automatically — no account, no sign-up. Free for up to 100 books. Stacks Pro unlocks unlimited books, reading goals, 50 shelf scans a month and the Librarian: $2.99/month or $19.99/year with a 7-day free trial.

Stacks is for people whose books are part of who they are. Catalog your shelves and see your library the way it deserves to be seen.

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