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Avira Optimizer for Android

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

Rated 4,5/5 on Google Play

Rating: 4.5 stars

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.

Get it on Google Play

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.

Get it on Google Play

Never have a hot pocket again

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

Get it on Google Play

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

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

Important: Your current Windows version is outdated and no longer supported.
For your security, we recommend switching to Windows 10 before downloading Avira software.
Update your Windows version here.
Wichtig: Ihre Windows-Version ist veraltet und wird nicht mehr unterstützt.
Zu Ihrer Sicherheit empfehlen wir Ihnen den Wechsel zu Windows 10 vor dem Download unserer Software.
Hier können Sie Ihr Windows aktualisieren.
Important: Votre version actuelle de Windows est obsolète et n’est plus prise en charge.
Pour votre sécurité, nous vous conseillons de passer à Windows 10 avant de télécharger le logiciel Avira.
Mettez à jour votre version de Windows ici.
Importante: Tu versión actual de Windows está desactualizada y ya no es compatible.
Por tu seguridad, te recomendamos que instales Windows 10 antes de descargar la solución de Avira.
Actualiza aquí tu versión de Windows.
Importante: La tua attuale versione di Windows è obsoleta e non è più supportata.
Per la tua sicurezza, ti consigliamo di passare a Windows 10 prima di scaricare i software Avira.
Aggiorna la tua versione di Windows qui.
Importante: Sua versão atual do Windows está desatualizada e não tem mais suporte.
Para sua segurança, recomendamos que troque para o Windows 10 antes de baixar o software da Avira.
Atualize sua versão do Windows aqui.
Важно: ваша версия Windows устарела и больше не поддерживается.
Из соображений безопасности перед загрузкой ПО Avira мы рекомендуем перейти на Windows 10.
Обновить Windows вы можете здесь.
Belangrijk: Uw huidige versie van Windows is verouderd en wordt niet meer ondersteund.
Voor uw veiligheid adviseren wij u om over te stappen op Windows 10 voordat u de Avira-software downloadt.
Update uw Windows-versie hier.
Önemli: Kullanmakta olduğunuz Windows sürümü eski ve artık desteklenmiyor.
Güvenliğiniz için Avira yazılımını indirmeden önce Windows 10 sürümüne yükseltmenizi öneririz.
Windows sürümünü buradan güncelleyin.
重要 : 現在お使いの Windows バージョンは古いため、サポートされなくなりました。
安全のため、Avira ソフトウェアをダウンロードする前に Windows 10 に切り替えることをお勧めします。
こちらより Windows バージョンをアップデートしてください
重要信息 : 您当前的 Windows 版本已过时,并且不再受支持。
为了安全起见,我们建议您在下载 Avira 软件之前切换到 Windows 10。
在此升级您的 Windows 版本
重要資訊 : 您當前的 Windows 版本已過時,並且不再受支援。
為了安全起見,我們建議您在下載 Avira 軟體之前切換到 Windows 10。
在此升級您的 Windows 版本