DU Speed Booster丨Cache Cleaner

DU Speed Booster丨Cache Cleaner


(3 stars)



100,000,000 - 500,000,000 downloads

  • Extremely useful
  • Smooth and fast
  • Great design
  • There's some competition out there
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QReader: Use our QR reader and download directly in to your Android device.[ More info ]

Expert's Review

"My Phone Works Extra Fast!"

Reviewed by / May 08, 2014

A booster and helpful cleaner for Android devices

DU Speed Booster (Cleaner) is an application for Android devices which boosts speed up to 60% and keeps your phone clean while increasing the storage space.

This app basically presents three features: making your phone faster, freeing storage space and removing unnecessary applications. Optimize your phone so it gets to 100 points, which will mean you're doing a great job.

You'll need to launch the app every now and then and do a bit of cleaning, something which is done extremely fast with the help of this app. Speed Booster presents an incredible UI with powerful and impressive graphics which will make your tasks more comfortable.

Scan all your storage and increase the device's efficiency while discovering new great games and try out the new SMS and Call Blocker.

DU Apps is the developer of DU Speed Booster (Cleaner) and Battery Saver, another helpful app to keep your device healthy. Enjoy the cleaning in multiple languages (English, Portuguese, Spanish, Japanese and others).

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Developer's original description available here
DU Speed Booster is an Android optimizer & cleaner master with a FREE built-in antivirus security feature. It can boost the speed of your phone by up to 60%, cleans junk (cache) files from your system, and increases the available storage space on your SD card. It is a total Android phone optimization solution that combines the advanced functionality of an apps task cleaner, speed and ram booster, storage (junk & cache) analyzer, security antivirus guard and protection master for your phone.

DU Speed Booster (Cleaning Optimizer & Security Master) Highlights:
Easily Boost: A single touch saves you time and effort to boost your phone.
Junk File Cleaner: Fully scan and cleanup every bit of junk and cache files.
Smart Cleaner: Pre-set automatic cleanup of unwanted processes and trash.
Powerful Speed Booster: Boost the speed of your Android by up to 60%!
Security Optimizer & Master: Make sure your phone is secure and protected from virus (es) or Trojan (s).

DU Speed Booster (Cleaning Optimizer & Security Master) Features:
► GAME BOOSTER: Improve your gaming speed and experience.
Smart recognition and manual adding of installed game (s) or apps.
Concentrates system resources to support game operation, and smoothes game play and boost s FPS.
► SPEED ACCELERATOR: Makes Android apps and games faster than ever before!
One-touch system speed diagnosis and acceleration: Click the “Optimization” button or use the home screen widget.
Clean background processes, kill tasks and disable auto-start apps (rooted devices only) to cleanup memory and boost the speed of your system.
Freeze unwanted apps to increase memory.
► TRASH CLEANER: Cleanup your Android phone and SD card junk files and cache for a speed boost!
Clean residual files left over after uninstalling apps to free up storage space.
Cleanup your phone cache with a single touch to boost your Android system speed.
► ADVANCED APPS MANAGER: Master your apps to keep your storage space clean and organized!
Batch install/uninstall manager keeps your Android clean and boost its top speed.
Manage apps on your phone ‘s internal storage and SD card to free up space.
Move apps and files between your phone and your SD card (App2SD) to free up phone memory.
► DU SECURITY: Antivirus scanner, permission manager.
Quickly scan apps and files on your phone to protect your device from virus (es) and Trojan (s).
Check the permissions requested by each installed app, or review apps according to categorized permissions.
Supports Deutsch, Español, English, Française, Português, Português do Brasil, Pусский, Türk, Bahasa Indonesia, Italiano, العربية, ภาษาไทย, Tiếng Việt, 日本語, 한국의, 中文(简体), 中文(繁體).

As a useful Cleaning Optimizer & Security Master, with the trust of hundreds of millions of DU Apps Studio users, DU Speed Booster will help you master and optimize your background apps, memory space, junk(cache) files and battery power, as well as inspect apps’ permissions and secure your phone away from virus es.

“DU Speed Booster is a pretty brilliant way to make your phone free of everything you don’t want but had no easy way to clean.” – Androidadvices.com

Frequently Asked Questions (FAQs) at:http://www.duapps.com/faqs/index.html
More questions about DU Speed Booster? Contact us at feedback@duapps.com,

 We added an antivirus feature to bring you a secure experience. Should you experience any issues, please send an email to feedback@duapps.com.

Find us online:
Official website http://www.duapps.com; Facebook page >>> http://facebook.com/duapps
http://google.com/+duapps ; http://twitter.com/duapps

JOIN our beta testing community and get first-hand news of DU Apps Studio on:


DU Speed Booster丨Cache Cleaner Videos

Recently changed in this version

Improvements in V2.3.0
1. More comprehensive detection capability to better optimize and accelerate your mobile phone.
2. Freely switch between 17 in-app languages.
3. More details optimized.

Lists with DU Speed Booster丨Cache Cleaner

Some lists where this application appears: Reviewed by Anna Grace.

Changelog and permissions

PermissionsChangelogPackage com.dianxinos.optimizer.duplay
  • - Know exactly where you are. It uses GPS.
  • - Know what access (wifi, 3G…) you have at every moment.
  • - Access information about Wi-Fi networks.
  • - Know how much battery is left and how it has been spent.
  • - Use Bluetooth to connect to a paired device.
  • - Track nearly Bluetooth devices and pair them with yours.
  • - Broadcast sticky intents, thus allowing quick data retrieval held by the system.
  • - Call somewhere with no need for the user to confirm that call. ER numbers aren't allowed, though.
  • - Be able to access the camera device.
  • - Modify the current configuration, such as locale.
  • - Change network connectivity state.
  • - Enter Wi-Fi Multicast mode.
  • - Change Wi-Fi connectivity state.
  • - Clear the caches of all installed apps.
  • - Delete cache files.
  • - Have access to the list of accounts linked to your device.
  • - Find out how much space is used by any package.
  • - Get info about the currently running tasks.
  • - Send and receive internet info.
  • - Stop all processes running in the background.
  • - Modify audio settings.
  • - Modify phone state. It includes power it on and off.
  • - Mount and unmount file systems for removable storage.
  • - Monitor, modify, or abort outgoing calls.
  • - Read your contact data.
  • - android.permission.READ_EXTERNAL_STORAGE
  • - Read the system log files. Usually used to collect crash and force close reports.
  • - Read phone state. Used to know whether you're in a call or not.
  • - android.permission.READ_SECURE_SETTINGS
  • - To read SMS.
  • - Read the sync settings.
  • - Read the sync stats.
  • - Know if the system has finished booting.
  • - Monitor incoming SMS messages, to process them.
  • - Use a deprecated permission that no app should ask for.
  • - Open windows on top of all other applications.
  • - Use the vibrator.
  • - Prevent your device from sleeping or screen from dimming (turn brightness down).
  • - Write the APN (Access Point Name) settings.
  • - Write, but not read unless allowed by another permission, your contacts data.
  • - Write whatever to your SD card.
  • - Read or write the system settings.
  • - Write SMS messages.
  • - Change the sync settings.
  • - com.android.launcher.permission.INSTALL_SHORTCUT
  • - com.android.launcher.permission.UNINSTALL_SHORTCUT
  • - com.dianxinos.optimizer.duplay.permission.UPDATE
  • - com.dianxinos.optimizer.permission.SCAN

Displaying 3 of 0 - show all

  • Updated
    New version 2.3.0 released on 02/18/15.
  • Updated
    New version 2.2.6 released on 01/19/15.
  • Updated
    New version 2.2.5 released on 01/04/15.
  • Updated
    New version 2.1.6 released on 12/15/14.
  • + downloads
    Becomes more popular. 100000000 downloads level reached on 12/15/14.
  • Updated
    New version 2.1.5 released on 11/16/14.
  • Changes
    Name changed from DU Speed Booster (Optimizer) to DU Speed Booster丨Cache Cleaner on 11/16/14.
  • Changes
    Name changed from DU Speed Booster (Cleaner) to DU Speed Booster (Optimizer) on 10/16/14.
  • Updated
    New version 2.1.0 released on 10/16/14.
  • Updated
    New version 2.0.5 released on 09/04/14.
  • Updated
    New version 2.0.0 released on 07/29/14.
  • Updated
    New version 2.0.0 released on 07/29/14.
  • Updated
    New version 1.8.0 released on 07/06/14.
  • New
    Application reactivated on 07/02/14.
  • Updated
    New version 1.7.0 released on 06/06/14.
  • Updated
    New version 1.6.0 released on 05/20/14.
  • Updated
    New version 1.5.0 released on 04/02/14.
  • Updated
    New version 1.4.5 released on 02/28/14.
  • + downloads
    Becomes more popular. 10000000 downloads level reached on 02/22/14.
  • Updated
    New version 1.4.0 released on 02/14/14.
  • Updated
    New version 1.3.6 released on 01/21/14.
  • Updated
    New version 1.3.5 released on 01/17/14.
  • + downloads
    Becomes more popular. 5000000 downloads level reached on 01/17/14.
  • Updated
    New version 1.3.0 released on 01/04/14.
  • Updated
    New version 1.2.6 released on 12/06/13.
  • + downloads
    Becomes more popular. 1000000 downloads level reached on 11/18/13.
  • Updated
    New version 1.2.5 released on 11/12/13.
  • + downloads
    Becomes more popular. 500000 downloads level reached on 11/09/13.
  • Updated
    New version 1.2.0 released on 10/23/13.
  • Updated
    New version 1.1.5 released on 09/30/13.
  • Updated
    New version 1.1.0 released on 09/29/13.
  • + downloads
    Becomes more popular. 100000 downloads level reached on 09/29/13.
  • Updated
    New version 1.0.5 released on 09/02/13.
  • New
    First appearance on 08/30/13.

Displaying 4 of 34 - show all

Add comment
Comments and ratings for DU Speed Booster丨Cache Cleaner
  • (0)

    by axilaks59 on 31/08/2014

    ???? ?????? ?????????? ??? ??????? ??? ????? DU Speed Booster(Cleaner) ?? ????, ????? ???????? ?????))))))

  • (0)

    by w7412832001 on 10/01/2014


  • (0)

    by Sabion Miller on 18/02/2015


  • (0)

    by Rajesh Kumar Dudyal on 18/02/2015

    Happy :-)

  • (0)

    by Joannah Carreon on 18/02/2015


  • (0)

    by xianhailey saborin on 18/02/2015

    All good

  • (0)

    by Jun Sailor on 18/02/2015

    So far so good. Keep it up guys.