# Clean Master Android App Review
Are you tired of your Android device being slow and cluttered with junk files? Look no further than Clean Master, the popular cleaning and optimization app for Android devices. In this review, we will take a closer look at Clean Master and its features.
## What is Clean Master?
Clean Master is a free cleaning and optimization app for Android devices. It is designed to help users clean up junk files, boost device performance, and protect privacy. With over 1 billion downloads, Clean Master is one of the most popular cleaning apps on the market.
## Features of Clean Master
Clean Master offers a wide range of features to help users optimize their Android devices. Some of the key features include:
– Junk file cleaning: Clean Master can scan your device for unnecessary files and help you delete them, freeing up space and improving device performance.
– Memory boost: Clean Master can help you free up memory on your device by closing background apps and processes.
– App manager: Clean Master includes a built-in app manager that allows you to uninstall apps, move apps to SD card, and backup apps.
– Battery saver: Clean Master includes a battery saver feature that can help you extend your device’s battery life.
– Antivirus: Clean Master includes an antivirus feature that can help you protect your device from viruses and malware.
## Pros of Clean Master
– Easy to use: Clean Master has a user-friendly interface that makes it easy to navigate and use.
– Effective cleaning: Clean Master is very effective at cleaning up junk files and optimizing device performance.
– Multiple features: Clean Master includes a wide range of features that can help you optimize your device in multiple ways.
## Cons of Clean Master
– Ads: Clean Master includes ads that can be intrusive and annoying.
– Privacy concerns: Clean Master has been criticized for collecting user data, although the company has stated that it only collects non-personal data.
### Is Clean Master free?
Yes, Clean Master is a free app.
### Can Clean Master improve my device’s performance?
Yes, Clean Master can help improve device performance by cleaning up junk files, freeing up memory, and closing background apps and processes.
### Is Clean Master safe to use?
Clean Master is generally considered safe to use, although some users have expressed privacy concerns.
### How often should I use Clean Master?
Clean Master can be used as often as you like, although it is recommended to use it at least once a week to keep your device optimized.