Clean Android in depth: cache, data, useless files

clean android
clean android

Last updated: September 23, 2023

These days, it's very hard to find phone cleaner apps that actually deliver what they promise. Most of these cleaner apps just waste your smartphone storage space. It might even infect you with malware and you Spammer with advertisements.

However, there are still apps that really clean up and optimize an Android phone. In this article, we will therefore help you find the ones worth using.

Here you will find a selection of 5 Best Free Android Cleaner Apps noted and tested by me.

Clean up unnecessary files with File by Google


Files by Google is an android application by managementstorage space. It detects unnecessary or duplicate files and offers to delete it. It also allows you to delete files already backed up to the cloud.

The application also has a function that allows you to uninstall applications that you never use.
Once downloaded and launched, Files by Google allows you to erase temporary files, delete the images and videos loaded in your various applications, or get rid of the elements contained in the download directory.

Find Files by Google on the Play Store

Free up Android storage space with Droid Optimizer


Droid Optimizer is one of the most popular Android cleaner apps, with over XNUMX million downloads.
It is easy to use, especially for beginners. With just a touch of the screen, you can free up phone space and RAM.

You will also be able to manage installed applications, protect privacy and speed up general operation.

Once installed and launched, you can use the following functions:

  • Clean and optimize the operation of the smartphone.
  • Clean the phone cover.
  • Delete history search and navigation.
  • Configure regular and automated cleaning.
  • Optimize the battery.

Droid Optimizer can also bulk delete apps, which is useful if you're looking to free up space quickly.

Download Droid Optimizer

Clear cache data with CCleaner


As on Windows, CCleaner for Android allows cleaning and optimization of your phone.

Indeed, CCleaner for Android is a multi-functional app that does its best to scan and clean up junk files taking up your valuable space.

The main function is the cleaning function which can clear cache data applications, purge empty folders and delete various histories.
It also has an application manager, which offers a simple interface that allows you to choose multiple applications for uninstallation.

If all you need is a quick way to recover storage space of your phone then CCleaner is for you.

Download CCleaner

Clean your phone with All-In-One Toolbox

Installed on over 50 million devices worldwide, All-In-One Toolbox for Android is a complete application providing several tools to obtain information on your device but also to optimize its performance.

Indeed, this application is capable of clean up temporary files on your android device, clear your cache and delete empty folders and orphaned files.
But that's not all since it also offers you a task killer to free up RAM, a tool to clean up history and a file manager.

An essential tool to optimize the use of your phone.

Download All-In-One Toolbox

Clean your Android mobile with SD Maid

SD Maid is a good cleaner for your Android phone. The app gives you four quick action features that you can use to optimize your device.

  • The first, CorpseFinder , finds and erases any orphaned files or folders left by deleting an application.
  • SystemCleaner is another find and delete feature, this time looking for common files and folders that SD Maid thinks it can safely delete.
  • The last function is that of the database. This function will optimize the phone database and compress it to speed up access and free up space.

Download SD Maid