About this app
Libinvenio helps you catalog and organize your personal library and find good prices when you want to buy. SCAN • Cover: photograph the cover and the book is identified automatically. • Barcode (ISBN): point the camera and add it in seconds. • Whole shelf: photograph the spines and add several books at once. ORGANIZE • Create shelves and collections your way. • Keep a wishlist for what to read next. • Reading status, tags and notes. • Edition details: publisher, translator, year, series and original language. COMPARE PRICES (new and used) • See prices from a selection of Portuguese bookshops, second-hand dealers and marketplaces. • Some stores show prices in the app; others open the store's own search. PRIVATE BY DESIGN • No accounts, no sign-up. • Your data stays on your device. • No ads, no tracking. • Back up your library to a file whenever you like. ACCESSIBILITY • Three themes (Classic, Sepia, Midnight). • Adjustable text size. Available in Portuguese and English.
Latest release
What’s New
The Supporter unlock and tips now work. Thank you to everyone supporting the project.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 21, 2026 · 1:53 AM Free
Screenshots
