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App Store Apps > Books > Underlined - Bookshelf Tracker
Underlined - Bookshelf Tracker icon

Underlined - Bookshelf Tracker

by Mert Arman · Books · Free
On the App Store since September 2026 · Data updated 2026-11-07

Underlined - Bookshelf Tracker is made and published by Mert Arman. AppBrain is an independent app data site and isn't affiliated with Mert Arman. The app name, icon, screenshots and description belong to Mert Arman and are shown as published on the App Store.

AppBrain's verdict

Last updated
September 15, 2026
Size
24.0 MB
Official page on the App Store

User feedback

Ratings and reviews on the App Store

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Store listing

By Mert Arman, from the App Store
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Screenshots by Mert Arman, from the the App Store listing
Description by Mert Arman Written by the developer, not by AppBrain. Click to read.
You underline as you read. Then the lines stay in the book, because typing one out is more work
than it is worth in the moment.

Underlined is a reading tracker built around getting them out. Photograph the page, draw a box
round the passage, and it is yours.

A PASSAGE WITHOUT TYPING IT
• Photograph the page and draw a box round what you underlined. Nothing is retyped.
• The box is coarse on purpose: it only has to contain the passage. The words are trimmed back
to whole sentences, so a box that clips a few still gives a clean quotation.
• The page number is read off the photograph, so keeping a line from page 214 moves your reading
progress to 214. When it cannot be read, the app asks.
• Text read off a page is never quietly corrected. A word that looks wrong is offered as a
suggestion — against word lists carried on the phone, in twenty-six languages — and nothing
changes until you say so.
• Star the ones that matter. Add a thought underneath while it is still fresh.

A SHELF IN ONE PHOTOGRAPH
• Point the camera at a row of spines instead of typing forty titles.
• Books standing up, books lying flat, a shelf shot at an angle, all without turning the
picture.
• A single cover works too, for the book in your hand.
• Everything found is shown to you first. You choose which go on the shelf and which shelf.

YOUR READING YEAR
• One goal for the year, paced against how far into the year it actually is — not against a
flat count.
• Three shelves and no ceremony: want to read, reading, finished. Your TBR is just a shelf.
• Keep the page you are on; the last page finishes the book on its own.
• Write down how a book left you, in a sentence or two.
• Statistics about reading, not about scores: passages kept this month, this year and all time;
how many you starred; how long they run; books finished, by year.

WHAT YOU KEEP COMES BACK
• A passage resurfaces each day, from your own collection.
• Search every line you ever kept, with your words marked where they were found.
• The ones you return to rise: the app counts which passages you come back to.
• Dig into a passage with a model that runs on your phone, never a server. (Recent iPhones.)
• Read a passage in another language through Apple's own translation sheet.

DISCOVER
• Passages other readers underlined, narrowed by subject, in the languages you read.
• Keep the ones that stay with you; they join your own shelf.
• Find the book behind a line: what it is about, more by the author, books shelved beside it,
and where to buy a copy.
• Offer a passage of your own if you like — a button you press, never something the app does on
its own. Anything can be reported and taken down.

TAKE IT WITH YOU
• Send a passage as a picture, set as a page rather than a screenshot.
• Export one book's passages, or everything you have ever kept, as a PDF set at paperback size.

YOUR LIBRARY STAYS YOURS
• No account. Nothing to sign up for and nothing to sign in to.
• Your books, your progress and your passages live on your phone.
• The app does not upload your notes and it does not track you.
• Eight languages in the app itself, and passages in twenty-six.
• A colour for every book; paper by day, ink by night.

FREE AND PRO
Five books, free, with every feature working — the camera included. Keeping passages is free
without limit and always will be: it is what the app is for. Underlined Pro opens the shelf to as
many books as you keep.

SUBSCRIPTION
Underlined Pro is an auto-renewing subscription: $2.99 a month, or $19.99 a year. Payment is
charged to your Apple Account at confirmation of purchase. It renews automatically unless turned
off at least 24 hours before the period ends; manage or cancel it in your Apple Account settings.
Privacy policy: https://www.threedollarclub.com/underlined/privacy.html
Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Discover passages come from Wikiquote, used under CC BY-SA 4.0. Book information comes from Open
Library.
Official page on the App Store

Safety and technology

Found in the app by AppBrain
Price
Free
App size
24.0 MB
Content rating
Everyone

Technologies used by Underlined - Bookshelf Tracker

Releases

Updates seen on the App Store
Version
1.1
Launched
September 2026

No changelog data

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Rankings

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About the app and developer

About Underlined - Bookshelf Tracker

Underlined - Bookshelf Tracker is a books app developed by Mert Arman.

What is the rating of Underlined - Bookshelf Tracker?

Underlined - Bookshelf Tracker has no ratings yet.

Is Underlined - Bookshelf Tracker free?

Underlined - Bookshelf Tracker is free. The app size is 24.02 MB. The latest version available is 1.1. The last update was on September 15, 2026.

What are the requirements for Underlined - Bookshelf Tracker?

The app has a content rating of Everyone. The app has been available on the App Store since September 2026.

Developer information for Mert Arman

Mert Arman

Address:

Frequently asked questions about Underlined - Bookshelf Tracker

Is Underlined - Bookshelf Tracker free?

Yes. Underlined - Bookshelf Tracker is free on the App Store.

Is Underlined - Bookshelf Tracker still available?

Yes. Underlined - Bookshelf Tracker is on the App Store, and the last update we saw was on September 15, 2026.

How large is Underlined - Bookshelf Tracker?

Underlined - Bookshelf Tracker is 24.02 MB.

Is Underlined - Bookshelf Tracker suitable for children?

App Store rates the content of Underlined - Bookshelf Tracker as suitable for everyone.

Who made Underlined - Bookshelf Tracker?

Underlined - Bookshelf Tracker was developed by Mert Arman. It is listed in the books category on the App Store.

What are the best alternatives to Underlined - Bookshelf Tracker?

People looking at Underlined - Bookshelf Tracker also look at these books apps: Book.self: Book Quotes & Notes, Shelf Scan: Book Spine Scanner, Citez - App for Book Lovers, Shelvd: Smart Book Tracker, Leero: Book & Reading Tracker.

Share Underlined - Bookshelf Tracker

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Overview Alternatives Reviews Rankings Technology
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