About this app

Junk Master, the professional phone cleaner for Android with junk cleaner, phone booster and battery saver. Make your phone cleaner and faster, become the master of your own device with the ultimate cleaning app for your Android!


System garbage causes the phone to run slowly and app garbage eats up your internal storage?
No more space is available for new photos or apps?
Your phone is running crazily slow?

Junk Master app is the perfect choice to help you solve these problems!


Key Features:

Junk Cleaner
Junk Master can clean up the phone and improve phone performance by scanning and removing junk, helps you free up storage space with one tap. With read/write external storage permissions, our program is allowed to scan and delete junk files stored on your SD card.

Phone Booster
Clean up memory (RAM) and optimize phone speed by removing redundant background tasks. Stop stealthy running apps, aims to speeding up your android device. We also have phone booster shortcut, One-Tap Boost directly from your home screen makes it easy to optimize.

Battery Saver
The battery of your Android devices might drains a lot due to the running apps in the background. Junk Master monitor all apps that drain power and remind you about high consumption apps. You can one click saving according to the list.
After hibernating, make your battery last longer! Your Best Battery Saver, phone cleaner & Powerful Battery++

All these features above keep your Android phone clean and fast, safe and healthy.
serves the goal to improve the user experience.

If you have any suggestions or feedback, please feel free to contact us.

New features

- Released

App Permissions

Allows access to the list of accounts in the Accounts Service.
Allows applications to read the sync settings.
Allows applications to write the sync settings.
Allows an application to call killBackgroundProcesses(String].
Allows applications to open network sockets.
Allows an application to write to external storage.
Allows an application to read from external storage.
This constant was deprecated in API level 8. The restartPackage(String] API is no longer supported.
Allows an application to find out the space used by any package.
This constant was deprecated in API level 21. No longer enforced.
Allows applications to access information about Wi-Fi networks.
Allows applications to access information about networks.
Allows applications to change Wi-Fi connectivity state.
Allows an application to clear the caches of all installed applications on the device.
Allows an application to collect battery statistics
Allows an application to receive the ACTION_BOOT_COMPLETED that is broadcast after the system finishes booting.
Allows an application to modify the current configuration, such as locale.
Allows read only access to phone state, including the phone number of the device, current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device.
Required to be able to access the camera device.
Allows an app to create windows using the type TYPE_APPLICATION_OVERLAY, shown on top of all other apps.
Allows an application to collect component usage statistics
Declaring the permission implies intention to use the API and the user of the device can grant permission through the Settings application.
Allows access to the vibrator.
Allows an application to expand or collapse the status bar.
Allows an application to request installing packages.
Allows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.