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What are the differences between the free and Pro versions?

The Pro version includes all features in the free version, and has many advanced options for better reading experiences:

  • Ad-free

  • Shake the phone to speak (Text-to-speech, TTS engine support)

  • PDF support, fast & speech compatible

  • More beautiful themes, background images and fonts

  • Customize reader bar function

  • Headset & Bluetooth keys control

  • Multi-point touch support

  • Option for password protection at startup

  • Book to home screen shortcut

  • Annotations, highlights & bookmarks share support

  • Sync/Backup/Download/Upload book files via Dropbox or Gdrive

  • Widget shelf support, group your favorite books, put them to desktop as widget

  • Customer email support

Why the Pro version needs Read_Phone_State and Get_Accounts permissions?

  • The Read_Phone_State permission is used for TTS function only: when there is a call coming, the reader needs this permission to know that so it can stop speaking directly, or it'll be very annoying.
  • The Get_Accounts permission is used for Google Drive functions.

How to transfer my highlights/notes from Free version to the Pro version?

You can use the Backup/Restore function:

  1. Click "Backup" in "Misc Options" of Free version.
  2. Click "Restore" in "Misc Optons" of Pro version.

This will import all your prior settings and highlights/notes in the free version to pro version.

Why book covers disappeared in My Shelf?

  1. Please check if you installed app "Clean Master" or other same type tools which may cause this problem. (this type of tool may remove the cover cache files carelessly).
  2. If you use Android KitKat(4.4.x), please check if you set main folder to ext-sdcard, the new Kitkat system doesn't allow an app to write or modify files in ext-sdcard.
  3. Please delete the book cover cache folder "/sdcard/books/.moonreader", then click "import books" to scan for covers again.

How to adjust reader options in Nexus 7, Galaxy Nexus or other android devices which haven't a menu key?

After you open a book, you can tap middle of the screen to invoke the reader bar for all customizable options.

How to connect to my Calibre OPDS server?

In Calibre, you can click "Preferences" button on top bar, then click "Content Server" -> "Start Server" -> "Test Server", this will open a web browser, write down the URL in the browser (e.g.: or;

then in Moon+ Reader "Online Library" tab, click "Add new catalog...", input this URL, restart the reader to access your own Calibre server.

How to open DRM-protected ebooks in the reader?

Moon+ Reader doesn't support drm-protected books in current version, to read them in the reader, you need to use drm-free tool to drop off the drm protection in computer firstly (e.g. calibre: http://www.google.com/search?q=free+epub+drm+removal).

How to sync my reading state between phone and tablet?

Firstly, please make sure that dropbox connection can work well in your network, then you can enable it from "Misc Options" -> "Sync reading positions via Dropbox":

  1. it'll upload the position to Dropbox on Pause event of the reader (switch to other app, close the screen or exit the reader) automatically; 
  2. it'll check if there is a new reading position in Dropbox on Resume events (switch back to the reader). 

To fix unknown issues which may cause sync failed, please try to install Dropbox app too, and uninstall/reinstall the reader to let the system fix it automatically.

How to view table content in the book?

For this type of contents, please try to switch to "Preview mode with publisher formattings" in "Misc Options".

How to use my own font files and backgrounds in the reader?

Please copy your font files (.ttf) to "/sdcard/fonts", and copy the background images to "/sdcard/backgrounds", then you can select them in "Visual Options -> Font Name/Background Images".

How can I get more ebook OPDS download sites for the reader?

Here is a list in MobileRead Wiki: http://wiki.mobileread.com/wiki/OPDS#Online_OPDS_Catalogs, you can also google "opds sites" for more.


There are strange issues in my reader, I can't read a book as general.

Please try to uninstall the reader, restart your phone or tablet, and then reinstall the reader again to let the system fix any strange issues automatically.


The control gestures for Auto-Scroll:


The control gestures for Speaking (Text-To-Speech):