Features

A tour of the app.

These are real screenshots, filled with a sample family library of 100 books. Scan a barcode to add a book, give it a shelf, and see who has it when it's lent out.

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Free for up to 100 books. No card needed.

The library grid on a computer: book covers with shelf labels, an estimated library value of about $1,800, and filters for reading status and tags.

Scanning on a phone: the barcode was read and the book was found, ready to add to the Living Room shelf with label FIC 20.

How it works

Step 1ScanPoint your phone at the barcode on the back cover.
Step 2PlaceNote the room, bookcase, and row it sits on.
Step 3Track valueUsed prices for each book, added up for the library.
Step 4LendCheck a book out to a friend with a due date.

1 · Scan

Scan the barcode on the back cover.

The camera reads the ISBN and fills in the title, author, publisher, and cover. You can get through a whole shelf without typing.

Runs in the browser on iPhone and Android, no app store
Bluetooth and USB barcode scanners work too
No barcode? Search by title and author instead

The camera view locking onto a book's barcode, outlined in teal.

Search by title: typing Piranesi by Susanna Clarke finds the book with its cover.

Scan with phone

Scan with your phone, review on your computer.

Open a session on your computer and scan its QR code with your phone. Each book you scan shows up on the computer a second later. Add them one at a time or all together.

Several phones can scan into one session
Keyboard shortcuts on the computer for fast review
Undo anything you added by mistake

Scan with phone on a computer: a QR code to join, the connected phone, and four scanned books waiting to be added.

The phone connected to the computer, with a barcode locked in the camera view.

Your catalog

Browse by cover.

Search by title, author, or tag. Filter to what's on the shelf, what's lent out, or what you're reading. Each book has its own page with its cover, description, and where it sits.

Tags suggested from each book's subjects
Reading status and ratings for everyone in the house
Import from Libib or CSV, export anytime

A book's page on a computer: The Song of Achilles with its cover, reading status, shelf location with the bookcase drawn, and description.

The same library on a phone: covers in a grid with shelf labels like FIC 9 and SFF 8.

2 · Place

Know which shelf it's on.

Set up your rooms the way you'd give directions: room, wall, bookcase, row. Each copy gets a spot and a short label, so you can walk straight to it.

Scan a whole row into the same spot in one go
Labels like FIC 12 or HIS 4, numbered for you
See each bookcase drawn, with the book's row highlighted

Locations: the Living Room's north wall with three bookcases drawn row by row, and the Study below.

A book's location on a phone: Living Room, North Wall, bookcase 1 Left, row 2 highlighted, label FIC 8.

3 · Track value

See roughly what your books are worth.

Library looks up used and new prices from online booksellers, shipping included, and totals them by room and shelf.

Each book counts at the median used price
Set your own value for a signed or rare copy
Filter by priced, not found, or valued by hand

Library value: an estimated $1,816 across 100 books, broken down by room, with each book's price listed.

One book's value on a phone: used median $6.29, new $13.09, and offers from several sellers.

4 · Lend

Remember who has your books.

Check a book out, give it a due date, and see what's overdue. Family members can ask for a book and you approve it.

Borrowers don't need an account
Members send requests, you approve them
Overdue books are marked in red

Lending is part of Full Library, $10/month.

Loans on a computer: four books checked out, one three days overdue, with check-in and due date buttons.

Loans on a phone: who has each book and when it's due.

Share

A public page for your shelves.

Turn on a read-only catalog and send the link to friends or your book club. It shows your books and covers, and nothing else.

No names, notes, locations, or loans are shown
Visitors can search and filter by tag
On every plan, free included

A public catalog page for The Mitchell Library: 100 books with covers, search, and tag filters.

Book prices

Compare prices on any book.

Look up a title or ISBN to see the cheapest used and new copies, shipping included. Useful before you buy, or to see what a book on your shelf is going for.