Now on iPhone

Never buy a book you already own.

Booklgy turns your shelf into a searchable library you carry everywhere. Scan a barcode at the bookstore, share with your household, and stop re-buying titles that are already on your nightstand — or worse, gifting someone a book they already have.

What it does

Built for people who actually own a lot of books.

Six features that turn a shelf-full into a system. No subscriptions, no nonsense.

Scan & Instant Summary

Point your phone at the barcode. Booklgy looks up title, author, cover, and a short summary — so you can decide whether to add it (or buy it) without leaving the camera screen.

Household Sharing

Invite your partner, roommate, or whole family. Everyone sees the same library, in real time.

Perfect for Gift-Giving

Standing in the bookstore picking something out for a friend or family member? Pull up their household library in seconds. Never gift a book they already own.

Manual Lookup for Older Books

No barcode? No problem. Search by ISBN or by author and title — perfect for vintage, secondhand, and pre-1970 books that never had a barcode in the first place.

Smart Search & Filter

Author A–Z, by genre, by series, by owner, by read status. Find any book in seconds — even when your shelf has hundreds.

Your Data, Yours

Export your full library to CSV. Back up the database. Take it with you whenever you want — no lock-in.

How it works

Three steps. That's it.

Get your whole shelf in your pocket in an afternoon.

i

Scan your shelf

Open the camera, aim at each book's barcode, and Booklgy does the rest. About 10 seconds per book once you find a rhythm.

ii

Invite your household

Generate an invite code in Settings. Anyone who joins sees the same library and can add their own books to it.

iii

Never re-buy (or re-gift) again

At the bookstore — whether you're shopping for yourself or for someone in your household — search by author, title, ISBN, or LOC number. The little gold dot tells you what's already on the shelf.

"It started as a way to stop buying The Handmaid's Tale a third time."

Booklgy is built for households that actually live with their books — couples merging libraries, families with overlapping taste, anyone whose to-read pile has gotten away from them. And it's just as handy when you're shopping for someone else: pull up their library before you check out, and gift with confidence.

A peek inside

Designed for readers, not collectors.

Every screen is built around the moment that actually matters: standing in a bookstore wondering if you already own this one.

Questions

Everything you'd want to ask.

Is Booklgy free?

Yes — Booklgy is free to download, and the free plan lets one person catalogue up to 50 books with scanning, search, and summaries. Booklgy Home is a one-time purchase that unlocks unlimited books and household sharing for up to 6 members.

How does household sharing work?

One person creates the household and generates an invite code. Anyone with the code joins the same shared library — books, owners, and read status all sync between devices.

What if a book isn't found by barcode?

Booklgy gives you two manual lookup options for any book that doesn't scan: type the ISBN by hand, or search by author name and title. Ideal for older editions, secondhand finds, and any book published before barcodes became standard (roughly pre-1970).

Can I use Booklgy when shopping for someone else?

That's one of the best reasons to use it. Invite the person you shop for to your household — or just keep a "wishlist & owned" view of their library. Next time you're at the bookstore picking out a gift, search their name and see what they already have before you buy.

Can I export my library?

Yes. Settings → Data → Export CSV gives you a clean spreadsheet. You can also back up the entire database. Your books, your data, no lock-in.

Is there an Android version?

Not yet. iPhone first — Android is on the roadmap. Drop your email below and we'll let you know when it's ready.

Does it work offline?

Adding, browsing, and editing all work offline. Your changes sync to your household when you're back online.

Stop buying the same book
twice.

Get Booklgy on iPhone. Free, no account required to start, your data stays yours.