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Avast Mobile Security for Android

Secure your mobile device with the world’s most trusted free antivirus app.

Also available for PC, Mac and iOS
100M+

100M+

installs
100%

100%

Protection & Usability score
4.7

4.7

Stars on Google play
textString.headlineProtectPrivacy

Protect your privacy

textString.headlineProtectPrivacy
Keep intruders out of your business, both online and on your device.
ProSecure your photos and apps using a PIN code, pattern, or fingerprint password
UltimateHide your online activity and access geo-restricted content with VPN
textString.headlineBlockThreats

Block all potential threats

textString.headlineBlockThreats
Prevent viruses and other malware from infecting your Android device.
Perform regular scans to detect threats and vulnerabilities
Detect malicious apps before you install them
Protect against malware-infected links on the web
Verify the security of any Wi-Fi network
Why use an antivirus on your Android?

Every month we detect and block just under 2 million attack attempts on Android users.

With nearly 8 million malicious samples in our mobile threat detection database and 6,000 new unique samples being added every day, you are always protected.

The most common threats we detect and protect you from:

Trojan downloader
Downloads malicious programs onto your device without you knowing
Locker ransomware
Locks and prevents you from accessing your device
Adware
Floods your device’s screen with unwanted advertisements

Others

Banking trojan
Steals your banking credentials to gain access to your account
Rooter
Acquires privileged access to take over and control your device
Fake apps
Malware that disguises itself as a real app to trick you into downloading it
Trojan clicker
Secretly clicks on webpages and eats up your data resources
Spyware
Infects your device to gather and transfer information about you
SMS Trojan
Uses your device to secretly send premium SMS messages
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textString.headlineSecure

Secure your data remotely

textString.headlineSecure
Remote control lets you stop thieves from accessing your data and helps you recover your device if it becomes lost or stolen.
Track your device’s location
Lock your device or wipe all of your sensitive data
ProSecretly capture photos and audio of the thief
ProAutomatically register your device as lost after SIM change
textString.headlinePerformance

Enhance performance

textString.headlinePerformance
Keep your Android device running as good as new.
Free up storage space by cleaning out junk
Speed up your device with RAM Boost
Extend battery life by adjusting power-consuming Android settings
textString.headlineGainInsights

Take control of your digital habits

textString.headlineGainInsights
Gain insights into how you use your apps and data
See which apps you spend the most time on
Learn which apps are better off used on a Wi-Fi connection
Easily check app permissions to understand how apps access your phone

Here’s what our users think

Avast Free Android Security

It's very useful. Working very smoothly.

5
Avast Free Android Security

It came highly recommended and for good reason.

5
Avast Free Android Security

Such a useful app for security & maintenance.

5

System requirements

We’re not demanding. All you need is an Android phone or tablet running operating system Google Android 5.0 (Lollipop, API 21) or higher. And that’s it.
In case you experience any problems, we are happy to assist you through our support page.
Avast Mobile Security for AndroidAvast Mobile Security for Android

Stay safe with the ultimate antivirus protection for your mobile device.

Upgrade to Avast Mobile Security Pro or Ultimate straight from your app to access premium features such as App Locking, VPN, and much more.

Get the latest Android security news and tips

Mobile Apps Must Roll Back Welcome Mat for Cybercriminals

Mobile apps need to button up vulnerabilities, and become part of the cybersecurity solution.

Learn more
Suspicious group of adware apps removed from the Google Play Store

Weather, fitness, recipe and cryptocurrency apps spammed users with ads

Learn more
How to protect your Android device from a ransomware attack | Avast

Android-based ransomware attacks are on the rise. Find out how to keep one from happening to you.

Learn more
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