ShelfBuddy is a book and audiobook tracker for iPhone, Android and the browser. Scan an ISBN to add a book, sort your library onto shelves, keep a wishlist, follow your series and watch your reading stats grow. No account needed.

Open your library on your computer at app.shelfbuddy.de. Link it to your phone once with a QR code, no account needed and end-to-end encrypted. Part of ShelfBuddy Premium.
Every book in its place: reading list, wishlist, borrowed & lent.
Add a book in seconds: point the camera at the ISBN.
Your reading year in beautiful stats, months and streaks.
Audiobooks too, tracked alongside your printed library.
See which volumes of a series you own and which are missing, and get notified when a new one comes out.
Bring your books over from Goodreads, StoryGraph, Reado or any spreadsheet.
Time your reading, log progress by page or minute and pin notes to a page.
Sync through iCloud or Google Drive and open your library on the computer.
Overview · Your whole library in one place
Straight answers, and how ShelfBuddy compares with other book apps.
No account required.