Cool Reader
Cool Reader is made and published by Vadim Lopatin. AppBrain is an independent app data site and isn't affiliated with Vadim Lopatin. The app name, icon, screenshots and description belong to Vadim Lopatin and are shown as published on Google Play.
AppBrain's verdict
Removed- Total installs
- 23 million
- Rating on Google Play
- 4.24
- 233,118 ratings
- Last updated
- March 9, 2021
Cool Reader is no longer on Google Play. It was there for 14 years, until February 2025. It was popular, with 23 million installs. Users rated it well: 4.2 stars from 233,118 ratings.
Installs
Tracked by AppBrain- Play install range
- 10+ million
- Launched
- December 2010
Installs over time
The year before it was removed from Google Play, up to February 2025
Cool Reader was installed 23 million times before it was removed.
Releases
Updates seen on Google Play- Version
- 3.2.55-1
- Launched
- December 2010
User feedback
Ratings and reviews on Google PlayGoogle Play Rating history and histogram
The year before it was removed from Google Play, up to February 2025
Comments on Cool Reader for Android
Technology
Found in the app by AppBrain- Ads
- No ads
- Price
- Free
- Libraries
- 25
- App size
- 12.7 MB
- Needs Android
- 1.6+
- Content rating
- Everyone
Technologies used by Cool Reader
About the app and developer
About Cool Reader
Cool Reader was a books & reference app developed by Vadim Lopatin. It was removed from Google Play Feb 20, 2025.
Install Statistics
Cool Reader had been installed 23 million times before it became unavailable.
User Ratings
Cool Reader was rated 4.24 out of 5 stars, based on 230 thousand ratings.
App Information
Cool Reader was free. The app size was 12.68 MB. The last available version was 3.2.55-1. The last update was on March 9, 2021.
Technical Requirements
Cool Reader required Android 1.6+ or higher. The app had a content rating of Everyone. The app had been available on Google Play since December 2010.
App Performance Report
Get a detailed PDF report for Cool Reader with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more
Get PDF Report — $29Developer information for Vadim Lopatin
Store listing
By Vadim Lopatin, from Google PlaySimilar apps
“Reading books in epub, fb2, txt, doc, rtf, html, chm, tcr, pdb, pml formats.”
Description by Vadim Lopatin Written by the developer, not by AppBrain. Click to read.
Pages or scroll view. Page flipping animation.
Table of contents, bookmarks, text search.
Bookmarks on text fragments (comments or corrections) - useful for proof reading.
Export of bookmarks to text file.
Built-in file browser, quick recent books access.
Online catalogs (OPDS) support.
LitRes online book store support.
Text to Speech (TTS) support.
Hyphenation dictionaries;
Most complete FB2 format support: styles, tables, footnotes.
Additional fonts support (place .ttf to /sdcard/fonts/)
Support for Chinese, Japanese, Korean languages; autodetection of TXT file encoding (GBK, Shift_JIS, BIG5, EUC_KR).
Day and night profiles (two sets of colors, background, backlight levels).
Brightness adjustments by flick on left edge of screen.
Background texture (stretched or tiled) or solid color.
Paperbook-like page turning animation or "sliding page" animation.
Dictionary support (ColorDict, GoldenDict, Fora Dictionary, Aard Dictionary).
Customizable tap zone and key actions.
Autoscroll (automatic page flipping) - start using menu/goto/autoscroll or assign action Autoscroll on key or tap zone; Change speed using volume keys or bottom-right and bottom-left tap zones; stop - tap any other tap zone or key.
Can read books from zip archives.
Automatic reformatting of .txt files (autodetect headings etc.)
Styles can be customised in wide range using external CSS.
Select text using double tap (optional).
Place additional textures to /sdcard/.cr3/textures/ -- to be used as tiled page backgrounds.
Place additional textures to /sdcard/.cr3/backgrounds/ -- to be used as stretched page backgrounds.
(/cr3/ directory can also be used instead of /.cr3/, and internal SD or internal storage instead of /sdcard/)
CoolReader requires following permissions:
WAKE_LOCK - to control screen backlight
WRITE_EXTERNAL_STORAGE - to access SD card
INTERNET - to use online catalogs
CoolReader is free, open source (GPL), multiplatform project.
Project homepage on SourceForge is http://sourceforge.net/projects/crengine/
To donate this project, you can buy Cool Reader Gold ($10), Silver ($3) or Bronze ($1) Donation package from Market
In case of issues after update (e.g. crashes while reading) try to remove directory SD/.cr3/cache and book database files SD/.cr3/*.sqlite
Windows version can be downloaded here:
http://sourceforge.net/projects/crengine/files/CoolReader3/cr3-newui-opengl/cr3-win32-qt-opengl-3.3.48.zip/download
As well, consider using "Cool Reader GL" - cross-platform Cool Reader version with UI rewritten in C++, with hardware acceleration based on OpenGL. Optimized for new devices with big high resolution screens. Both versions can be installed together.
Project homepage: https://github.com/buggins/coolreader
Recent changes:
Text-to-speech improvements.
Cloud synchronization fixes.
Stability fixes.
Onyx e-ink readers support.