Clean Master Phone Boost icon
  • Developer:
  • Cheetah Mobile
  • Requires Android:
  • Varies with device
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Clean Master Phone Boost

Latest Version: 5.8.4

Updated September 20, 2014

What's New:

  • New CM Now providing news and tips to make your device perform better.
  • Optimize uninstaller reminder, easier to uninstall idle apps.
  • Fixed a rare issue where the junk files number would be inaccurate.

App Description

Simple, fast and accurate, Clean Master is the world’s most downloaded Android cleaner, speed boost and antivirus app, designed to help you reclaim storage, boost memory, enhance speed, and secure your device against malicious apps and vulnerabilities. Developed by Cheetah Mobile (formerly KS Mobile), Clean Master is the world’s most reliable companion for Android devices used by over 200 million people worldwide!

Highlights of Clean Master – Phone Booster & Antivirus

  • Accurate: The junk-creating behavior of millions of apps has been analyzed so that Clean Master can efficiently hone in on its targets (cache and residual files) with perfect accuracy.
  • Fast & Intuitive: Simple to use, super-fast and smooth UI, plus cool transition effects
  • Ranked #1 by AV-TEST for the fifth time! A professional quality antivirus service scans devices in just 8 seconds, 500% faster than other paid antivirus apps.

Features of Clean Master- Phone Booster & Antivirus

DEVICE COOLER 
Cool off your device by finding and stopping the apps that are causing it to overheat.

JUNK FILE CLEANING 
Delete cache and residual files to reclaim storage, boost speed and improve the performance of your device and SD card.

MEMORY BOOST 
Boost your games and apps, free up memory (RAM) and speed up your device. Our 1 Tap Boost and Game Boost features make it easy to optimize directly from your homescreen.

CPU BOOST
Calculate how much CPU is being used by apps on your device. Stop apps from wasting battery, slowing down your device and overheating.

ANTIVIRUS 
Scan the system, pre-installed and user-installed apps to keep your device safe from viruses, trojans, vulnerabilities, adware and spyware. Keep your privacy safe by scrubbing personal info from your device.

APP MANAGER 
Uninstall unwanted apps or bloatware and back up important ones. Some rooted devices will be able to move apps to the SD card as well as uninstall pre-installed and system apps. Our own Picks section lets you find useful apps that match your interests.

 

Supported languages
Arabic, Bulgarian, Chinese, Croatian, Czech, Dutch, English, French, German, Greek, Hebrew, Hungarian, Indonesian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Romanian, Russian, Serbian, Slovak, Spanish, Thai, Turkish, Ukrainian, Vietnamese, Hindi, Malay

Want to help in our localization efforts? Apply to join our translation community: http://bit.ly/l10ncm
Stay connected!

Requested permissions
Camera permission: This permission is used for Clean Master’s flashlight feature, which uses the camera flash from the device’s rear camera. Clean Master does not use the device’s microphone at all – Android lists both camera and microphone permissions together, even if only one is used.
Help fight against deceptive ads
Cheetah Mobile (formerly KS Mobile) is committed to fighting against misleading downloads. You can find our full official policy on this matter here:http://www.cmcm.com/about/promotion-policy.html

If you come across one of these ads, you can help us to take them down. Please visit the following URL and fill out the requested information -http://feedback.ksmobile.com/ReportFeedback/index?app_id=7 . The more detail you can give the better. Thanks for helping us improve the Android ecosystem!

Older Versions

2.5

Added on February 1, 2013

Changes:

  • New APP Manager with Uninstaller replacing Temp Apk.
  • Backup comes within Uninstaller.
  • Add Large files detection (video and compressed file) in Residual files module.
  • Add “Rate us” in menu, it would be highly appreciated if rating us in Google Play.
  • Portuguese language supported.
  • Other optimizations and bug fixes.

3.0

Added on

Changes:

  • Whole new designed GUI, better user experience.
  • Support cleaning much more apps and search histories, including eBay, Google Search bar and etc.
  • Fix bug of APK scanner, which missed APKs from Amazon Appstore and Sina Weibo.
  • Temp APK is renamed to Backup, and the apk backups are listed under Installed and Uninstalled.
  • Change residual file pop up when there are only empty folders.
  • Support German, Russian, Spanish, Italian, Hungarian, Korean, Vietnamese
  • Other bug fixes.

3.1.0

Added on March 16, 2013

Changes:

  • Quick fix force close error when enter settings.
  • Fix bug of displaying Slovakian for Slovenian users.
  • Add cache reminder for scheduled cleaning.
  • Add Auto Kill for Task Killer.
  • Task killer optimized for system tasks.
  • Fix bug on cleaning Google Play search history.
  • Add new feature to clean ads folders.
  • Support French, Romanian, Slovakian, Turkish.
  • Other bug fixes.

3.2.0

Added on

Changes:

  • Support language change in Settings.
  • You can add items to Ignore List via long press, and remove them from Settings.
  • New App2SD is added in Uninstaller.
  • Backup button is moved to app details, pop up via a single tap.
  • Support long press to view items in existing file explorer.
  • Support cleaning 100 more popular apps.
  • Other bug fixes.

3.3.0

Added on April 12, 2013

Changes:

  • Allow ignoring unselected items after cleaning.
  • Display detailed records of Search History.
  • Support cleaning empty folders.
  • Task Manager optimized, some important tasks are ignored by default after scanning.
  • Fix bug of Call Logs cleaner on some Samsung models.
  • Support Arabic, Norwegian, Dutch and Polish.
  • Support cleaning more apps.
  • Other bug fixes.

3.3.2

Added on April 26, 2013

Changes:

  • Support searching to quickly locate apps in Uninstaller.
  • Residual file scanning optimized, support displaying size of empty folders.
  • Auto Kill ignores some tasks during caching offline movies.
  • Support cleaning detailed items of default browser.
  • Database updated, support cleaning more apps.
  • Other bug fixes.

3.4.0

Added on May 5, 2013

Changes:

  • Support moving app data to external SD card. For example: Moving the large game data of NFS on Note2, S3, S4. (Root required.)
  • Add details page for Tasks. (Data will be reset when device powered off.)
  • Built-in updater is removed.
  • Other bug fixes.
  • Two permissions added:
    1.WAKE_LOCK: This is been used to avoid screen off during moving large app data to external SD card, improve stability and success rate.
    2.BATTERY_STATS: This is used for displaying hidden info of each running tasks.

3.5.0

Added on May 31, 2013

Changes:

  • New Task Reminder added, smartly remind you when running out of memory.
  • New 1-Tap widget added for task cleaning.
  • Selected items are counted on “Clean” button, easier to know how much you can clean.
  • Videos and music can be directly played within Residual file cleaner.
  • Database updated, support cleaning more apps.
  • Other bug fixes.

3.6.0

Added on June 24, 2013

Changes:

  • Supports cleaning video cache generated by Instagram now. This video cache makes your device running out of space very soon.
  • Support uninstalling pre-installed bloatware. (Root needed)
  • Support cleaning individual history and cookies of Chrome, and etc.(Root needed)
  • Add built-in file explorer to better view cleaning items.
  • Add a list of contributors on new About page, and thank you guys for helping us localize!
  • Support Croatian and Czech.

3.7.0

Added on July 24, 2013

Changes:

  • Improved scanning speed for app manager.
  • Independent interface for moving apps to the SD card. (for supported devices).
  • New notification for moving apps to SD card (for supported. devices).
  • More information now included about the cache files before deletion.

3.8.1

Added on September 26, 2013

Changes:

  • Added
    -Added new shortcuts to the top right corner of the Memory Boost section such as Ignore List, Auto Kill and Create Widget.
    -Tapping the pie charts will now show your system storage settings
    -Notification when your phone is running low on storage space.
  • Improved
    -Brand new Feedback function.
    -Faster response time for a smoother experience.
  • Fixed
    -Fixed the home screen pie charts being inaccurate on some devices.

3.8.2

Added on October 21, 2013

Changes:

  • Added new shortcuts to the top right corner of the Memory Boost section such as Ignore List, Auto Kill and Create Widget.
  • Tapping the pie charts will now show your system storage settings
  • Notification when your phone is running low on storage space.
  • Brand new Feedback function.
  • Faster response time for a smoother experience.
  • Fixed the home screen pie charts being inaccurate on some devices.

3.8.3

Added on November 2, 2013

Changes:

  • Add cleaning popup reminder for apps with large junk files that never got cleaned
  • Add select-all button for obsolete APKs
  • Fixed bugs and improved Memory Boost
  • New guideline for 1 Tap Boost / Widget in Memory Boost
  • Add usage frequency information in App Manager

3.8.6

Added on November 28, 2013

Changes:

  • Fix crash issue on Android 4.4 device (Nexus 4, Nexus 5, Samsing Note 2, Galaxy S3, S4 etc)
  • New algorithm to identify rarely used apps in App Manager.
  • New Privacy items supported.
  • Optimized Memory Boost to smartly kill more tasks.
  • Other bug fixes.

4.0.0

Added on December 13, 2013

Changes:

  •  Brand new UI and incredible scanning speed for a smooth experience
  •  Clean more files than ever before, 30% more compared to similar apps.
  •  Now includes the magic floating widget – boost your device at any time
  •  Intelligent memory booster, take back your memory
  •  Social media privacy management, keep your personal information secure
  •  App manager, completely remove unwanted apps

4.0.1

Added on January 1, 2014

Changes:

  • Fixed a major crash, stability improved.

4.2.0

Added on

Changes:

  •  contains new features that will require extra permissions for Clean Master on update e.g. camera permission is needed for the flashlight.
  •  Added antivirus engine to protect device security.
  •  New floating widget – handle memory, Wi-Fi, bluetooth, etc. in a single tap.
  •  Added notifications shortcuts – access frequent apps like flashlight more conveniently.
  •  Optimized browser history cleaning.

5.0.0

Added on February 25, 2014

Changes:

  • Added malware and vulnerability detection – protect your privacy and property
  • Added a browser security feature – prevent all kinds of harassment
  • Added recommend apps under the App Manager tab – pick from our favorites

5.0.1

Added on

Changes:

  •  Optimized junk scanning and cleaning speed.
  •  Several performance improvements.
  •  Fix problems with the flashlight and notification toggle.

5.1.0

Added on March 22, 2014

Changes:

  •  Added log files and temporary files cleaning in Junk Advanced.
  •  Added pre-installed apps disabling feature (rollout in English regions)
  •  Added black notification toggle theme

5.2.0

Added on April 5, 2014

Changes:

  •  Improved junk scanning speed by 20%
  •  Improved Memory Boost’s cleaning effect by 40%
  •  Upgraded app uninstall algorithm – now better able to detect unpopular apps
  •  Several other performance improvements

5.2.1

Added on

Changes:

  •  Improved junk scanning speed by 20%
  •  Improved Memory Boost’s cleaning effect by 40%
  •  Upgraded app uninstall algorithm – now better able to detect unpopular apps
  •  Several other performance improvements

5.3.0

Added on April 20, 2014

Changes:

  •  Added new feature – Timeline. Your security, visualized.
  •  Improved junk cleaning performance. It now scans faster and cleans more.
  •  Added more solutions for the insufficient space issue.
  •  Other optimizations and enhancements.

5.3.1

Added on April 28, 2014

Changes:

  • Bug fixes, stability improved.

5.4.0

Added on May 11, 2014

Changes:

Skype: logan_cmcm
You can now contact us on Skype for speedy customer service.
  •  New all-in-one junk files cleaning.
  •  Redesigned the results page after cleaning junk and boosting memory.
  •  Added the ability to reorganize, remove or uninstall games from the Game Folder.
  •  Added more shortcuts to the notification toggle (Available in Android 4.1+)
  •  Improved memory boost to boost more RAM than ever before.
  •  Improved the timeline, you can now delete security news items from your timeline.

5.4.1

Added on

Changes:

Skype: logan_cmcm
You can now contact us on Skype for speedy customer service.
  •  Fixed a rare hanging issue when cleaning junk files.
  •  Improved scanning speed by 50%.
  •  Fixed an issue where reported RAM usage was abnormal.
  •  Fixed misidentifying offline maps & music as junk files.
  •  Other optimizations and bug fixes.

5.5.0

Added on June 5, 2014

Changes:

Facebook: logan@cmcm.com, skype:logan_cmcm
You can now contact us for speedy customer service.
  •  Redesigned Game Boost to improve the user experience.
  •  Added an option for more notification toggles to give you easy shortcut access.
  •  Improved Gallery Manager to make it easy to navigate and see your pictures.
  •  Added music management to My Files in Junk Advanced.

5.5.1

Added on June 11, 2014

Changes:

Facebook: logan@cmcm.com, skype:logan_cmcm
You can now contact us for speedy customer service.
  •  Added a special World Cup feature in Notification Toggle and Floating Widget.
  •  Improved Junk Files scanning speed and capabilities – can now clean even more.

5.6.0

Added on June 26, 2014

Changes:

Facebook: logan@cmcm.com, skype:logan_cmcm
You can now contact us for speedy customer service.
  •  Added CPU Boost feature. Find out which apps are hogging your CPU.
  •  Added duplicate photo detection in Advanced Cleaning – Gallery Manager.
  •  Made the weather feature in Floating Widget available worldwide.
  •  Other bug fixes and optimizations.

5.7.0

Added on July 13, 2014

Changes:

  • Fix auto orientation bug on some tablet models. Be sure to update if you run Clean Master on tablet.

5.8.1

Added on September 1, 2014

Changes:

  • Fix the “package invalid” error which would occur on some device models.
  • Optimized Device Cooler to effectively reduce the temperature of your device.
  • Added real-time temperature reporting for some device models.
  • Added recommendations to uninstall rarely used apps in App Manager.

5.8.3

Added on September 6, 2014

Changes:

  • Fix the “package invalid” error which would occur on some device models.
  • Optimized Device Cooler to effectively reduce the temperature of your device.
  • Added real-time temperature reporting for some device models.
  • Added recommendations to uninstall rarely used apps in App Manager.

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