The best applications to clean and optimize Android in 2019

A slow Android device can cause considerable frustration. Fortunately, there is a variety of Android applications to help achieve greater speed and better response.

Regardless of the version of the Google mobile operating system that you are using ( Android Oreo is available on many devices and Android 9 Pie appears on newer phones, such as Pixel 3 and OnePlus 6T), Android is still the dream of every geek. Since Android is open in a way that other mobile operating systems are not, you can adjust and optimize system performance from A to Z.

Whether we are talking about cache cleaners, junk file hunters, CPU overclocking tools, application deactivators or task automation tools, many Android applications will help you get the most out of your phone. Here are 20 of our favorites.

Top best apps to clean and optimize Android in 2019:

Clean Master

Clean Master from Cheetah Mobile comes with a junk file tool to clean the application and system cache of your phone, as well as temporary files. It also has a Phone Boost memory saving tool, an application manager and an antivirus function. While it is likely that you can omit functions similar to those of Phone Boost, the junk file tool is ideal for cleaning temporary and orphaned files, as well as for clearing the system cache and freeing up the storage of the phone. The application manager allows users to back up APKs, move applications to the SD card and uninstall applications. There are also a lot of extras such as an app lock, game mode, and a private photo pigeonhole.

All-in-One Toolbox

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All-in-One Toolbox is just that: a versatile Android booster application all in one. AIO Toolbox follows the model of many applications with a quick one-touch acceleration that cleans the cache, background applications, and memory; It also includes extras such as an application manager, a file manager, and a CPU cooler (which removes background applications to reduce the load). A practical “Easy Swipe” opens a radial menu to quickly access the utilities from the home screen or other applications. Where the application suffers a bit is in the organization, with tools divided into a vertical feed and multiple tabs.

Power Clean

Power Clean-Optimize Cleaner-Android App Review

LIONMOBI’s Power Clean is another popular all-in-one cleaning and optimization application that offers a wide range of tools to free up internal storage space and clean up your memory to improve the performance of your device. The application comes with a cache cleaner and a junk file cleaner to remove remnant files from uninstalled applications, as well as memory cleaners, and an obsolete APK cleaner to remove old versions of an application from your storage. Power Clean also comes with some extras such as antivirus features, an application closet, an application manager, as well as a CPU cooler and CPU and battery monitors.

DU Speed ​​Booster

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Another comparable all-in-one Android optimization tool is DU Speed ​​Booster, which comes with a garbage cleaner for cleaning the application and junk file cache, a one-touch accelerator, an application manager, an antivirus tool, a privacy advisor and an integrated Internet speed test. Again, the benefits of eliminating tasks with accelerators are dubious, but the DU Speed ​​Booster junk/cache file cleaner is a great way to free up internal storage space. And the application manager and other tools are also solid extras.


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CCleaner from Piriform is one of the best PC maintenance tools for Windows machines and has also become mobile with an Android application that is the perfect tool to help you clean redundant files from your system. Like its brother on the desktop, CCleaner for Android is a multipurpose cleaning tool that can flush your application cache, download folders, browser history, and other temporary files; You also have the option to clean your call and SMS record selectively or massively. In addition to its quick and ad-free cleaning experience, CCleaner also comes with an application manager, CPU, RAM and storage meters and battery and temperature tools.