Lumio — Book Note Scanner

Hakan Basakcioglu

Contains adsIn-app purchases

About this app

Lumio turns your camera into a book note-taking machine.

Point it at any page, quote, or handwritten note. Lumio reads the text instantly using on-device OCR — no internet, no uploads, no waiting. Your notes are saved locally on your device and stay there forever.

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📖 BUILT FOR BOOK LOVERS
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Stop retyping your favourite quotes by hand. Just open Lumio, point your camera at the page, and save the text in seconds. Whether you're reading a novel, a textbook, a research paper, or a self-help book — Lumio captures it all.

You can organise notes by saving type (e.g. Book, Quote, Vocabulary, Summary), search through your entire library with full-text search, and filter by category or date range. Your reading life, finally organised.

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📷 POWERFUL OCR — ON YOUR DEVICE
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Lumio uses Google ML Kit for text recognition, which runs entirely on your phone. No image ever leaves your device. No cloud processing. No latency waiting for a server response. Just fast, accurate, offline OCR.

Scan with your camera in real time, pick from your gallery, or use the built-in crop tool to select exactly the area you want to recognise. Front and back camera both supported. Tap anywhere on the viewfinder to focus.

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🗂️ ORGANISE YOUR NOTES YOUR WAY
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Create custom saving types to fit your reading style. Use "Quote" for memorable lines, "Vocab" for new words, "Summary" for chapter recaps — or anything else that works for you. Filter and search across all your notes with type and date filters so you can always find what you're looking for.

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💾 EXPORT & IMPORT — ALWAYS FREE
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Back up your entire note library as a single JSON file. Restore or migrate to a new phone in seconds. Your data, fully portable, fully yours — and always free, even on the free tier. We will never lock you out of your own data.

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🔒 PRIVATE BY DESIGN
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Your notes never leave your device. No server, no account, no cloud sync. Everything lives in a local database on your phone — we have no way to read it, copy it, or lose it.

• Notes and OCR scans stay 100% on your device
• No login, no signup
• OCR runs fully offline, on-device
• Export and import your data anytime
• Delete everything with one tap

The free version of Lumio shows ads through Google AdMob, and we use anonymous Firebase Analytics to understand how the app is used (no personal data, no note content). Both are completely removed the moment you unlock Lumio Lifetime.

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💎 PRICING — SIMPLE AND HONEST
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Lumio is FREE to use. Forever.

Free includes:
✓ Unlimited OCR scans
✓ Unlimited notes
✓ Unlimited custom saving types
✓ Full search and filters
✓ Export and import your library
✓ All core features

Free version is supported by:
• A small banner ad on list screens
• An optional rewarded ad if you want to print

That's it. No paywalls on writing, scanning, organising, or backing up your data.

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🌟 LUMIO LIFETIME — $4.99 ONCE
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One simple, one-time purchase. No subscription. No recurring charges. No expiry. No surprises.

Lumio Lifetime unlocks:
✓ Remove all ads — forever
✓ Print your notes without watching an ad
✓ Support an independent developer building Lumio solo

Pay $4.99 once through Google Play. That's the whole transaction.

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Lumio is built and maintained by one developer. Your $4.99 is a vote of confidence — and it goes directly into making Lumio better.

Lumio is lightweight, fast, and built with a single goal: get the text off the page and into your notes as quickly as possible.

Perfect for students, researchers, avid readers, writers, and anyone who annotates books.

What’s new

New improvements.