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DeltaScroll for Android

A quiet place to read, in your pocket.

Open EPUB, PDF and DOCX books, turn pages like paper, and let the app read to you when your eyes need a rest. Your books stay on your phone.

  • Phones and tablets
  • No account
  • No ads
Highlighting a passage of Pride and Prejudice in DeltaScroll
The DeltaScroll library on Android, with Continue reading at the top
DeltaScroll reading a book aloud, with voice and speed controls
  • 70,000+classics to download
  • 70languages read aloud
  • 5reading themes
  • 0accounts needed

Inside the app

Everything a reader needs. Nothing in the way.

Listen when your eyes are tired

Natural voices in 70 languages. Each sentence lights up as it is read, and you set the pace.

Read-aloud controls in DeltaScroll

Highlight, note and look up

Six highlight colours, notes and bookmarks, a dictionary for unfamiliar words, and search inside any book.

Highlight colours and text tools over a page of Pride and Prejudice

Classics, one tap away

New Standard Ebooks releases every week, and more than 70,000 public-domain books from Project Gutenberg.

Free books from Standard Ebooks and Project Gutenberg in DeltaScroll

A library that is yours

Shelves for every mood, favourites, finished books and search. Pick one of 18 avatars while you are at it.

The DeltaScroll menu with Library, Favourites, Shelves and Free books

Backups you control

Save everything to one file or to Google Drive, and restore it on any device.

  • Books
  • Positions
  • Shelves
  • Highlights
  • Notes
The DeltaScroll library in dark mode

Five reading themes

Read by daylight, or by firelight.

Light, Dark, Fire, Moonrise and Glacier, with six fonts and adjustable size and spacing. Turn pages with a curl, or scroll.

  • Moby Dick open in DeltaScroll with the Light reading theme
    Light
  • Moby Dick open in DeltaScroll with the Dark reading theme
    Dark
  • Moby Dick open in DeltaScroll with the Fire reading theme
    Fire
  • Moby Dick open in DeltaScroll with the Moonrise reading theme
    Moonrise
  • Moby Dick open in DeltaScroll with the Glacier reading theme
    Glacier

Private by default

Your reading is nobody else's business.

DeltaScroll does not need an account and does not show ads. What you read, what you underline and how far you got stay on your phone.

  • Works offlineOnce a book is in your library, it opens anywhere, signal or not.
  • Files stay on the phonePDF and DOCX conversion happens on the device. Nothing is uploaded.
  • Cloud only if you askGoogle Drive backup is optional and off until you connect it.
Android
Windows
Web
One backup file carries books, positions, shelves, highlights and notes

Questions

Android questions.

Supported devices, files, free books, read-aloud and backups.

Is DeltaScroll free on Android?

Yes. DeltaScroll is free to install and use, with no ads and no account. Donations are optional and help independent development.

Which Android versions are supported?

Android 8.0 or later, on phones and tablets. Page turns, read-aloud and the reading themes work on every supported device.

Which files can I open?

EPUB books open directly. PDF and DOCX files become readable books on your phone. You can open them from your file manager, from the share menu of another app, or from inside DeltaScroll.

Where do the free books come from?

From Standard Ebooks, whose carefully formatted editions arrive every week, and from Project Gutenberg's library of more than 70,000 public-domain books. Each is one tap from your library.

Can it read books aloud?

Yes. Read-aloud uses natural voices in 70 languages, lights up each sentence as it is spoken, and lets you choose the speed.

How do I back up my library?

Open Backups to save your books, reading positions, shelves, highlights and notes to a single file, or to Google Drive. Restore that file on any device with DeltaScroll.

Also on

Keep reading on a bigger screen.

The DeltaScroll Windows app showing the library and Continue reading

Windows

Free download

A focused desktop reader with tabs for your books, natural voices and local PDF and DOCX conversion.

  • Windows 10 and 11, 64-bit
  • Opens .epub, .pdf and .docx from File Explorer
  • Updates itself
Explore Windows
The DeltaScroll web reader in a browser window

Web

Nothing to install

Open your library in any modern browser. Install it as an app if you like, and keep reading offline.

  • Any modern browser, on any computer
  • Works offline once a book is added
  • Installable as an app
Open the web reader

Your next chapter is waiting.

Install DeltaScroll from Google Play and open your first book in under a minute. See every version on devices.deltascroll.com.