Avira Optimizer for Android

A powerful, one-tap space cleaner for your Android phone

Rated 4,5/5 on Google Play

45,000+ ratings

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Optimize all your devices for free

3 reasons to optimize your Android phone right now

Get more speed

Put the zip back in your chip: Optimize your app and system usage.

Free up memory

Say goodbye to ‘no more memory’ pop-ups by cleaning up junk and unwanted files

Prevent overheating

See which apps are using up your memory, draining your battery, and causing overheating.

Made in Germany.
Downloaded by millions.

4.5/5 - Great

45,000+ ratings

Protect your privacy

Take back control of what data is stored on your phone by deleting sensitive info stored in your apps, browsers, and call logs.

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No more embarrassing pocket dials

Teach your phone new tricks: Smart system recognizes when your phone is in a pocket or bag and locks the screen.

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Never have a hot pocket again

Stay cool. Easily spot apps or processes that cause your phone to overheat and shut them down.

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Get Optimizer Pro for smart power saving options

Avira Android Optimizer Pro Screenshot


Create unlimited, fully customizable power-saving profiles. These range from limiting screen brightness to disabling location services, Wi-Fi, cellular data, sensors, and vibrations.


Automatically enable them as soon as you leave the house. You can even automatically switch to a battery saving mode depending on the network you connect to.

No ads

Get the premium, ad-free version of the app for a one-time payment of €1.99. Available as an in-app upgrade.

What’s inside?

The latest technologies

Speed booster

Speed up your phone for faster startups and optimized processes

Memory booster

Get an overview of all active processes running and close those that slow you down

Cache cleaner

Clear your cache, junk files, and duplicate files on your phone and SD card

History eraser

Clear your browser history, call logs, text messages, and clipboard data

smart lock

Locks your phone’s screen as soon as it‘s face down in your pocket or bag

app manager

See how much space each app takes, and easily uninstall them with one tap

battery saver 

Create profiles that help you extend your battery life

Laptop, smartphone, or tablet?

Enhance the performance of all your devices

Looking for premium optimization tools?

Discover System Speedup ProFor Windows

System requirements

Your device is not compatible
Android 4.0.3 and later

Also available from Avira:
Avira Antivirus Security for Android

  • Award-winning threat protection
  • Includes advanced theft prevention
  • Trusted by over 5 million users
Get it on Google Play

Clean and optimize your phone