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Avast Mobile Security for Android

Secure your mobile device with our free, award-winning antivirus.

Also available for PC, Mac and iOS

Block all potential threats

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
Floods your device’s screen with unwanted advertisements


Banking trojan
Steals your banking credentials to gain access to your account
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
Infects your device to gather and transfer information about you
SMS Trojan
Uses your device to secretly send premium SMS messages

Protect your privacy

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

Secure your data remotely

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
Secretly capture photos and audio of the thief

Enhance performance

Keep your Android device running as good as new.
Free up storage space by cleaning out junk
Speed up your device with RAM Boost

Take control of your digital habits

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

It's very useful. Working very smoothly.

Jineesh J.

It came highly recommended and for good reason.

Steve B.

Such a useful app for security & maintenance.

Ash G. G.


System requirements

We’re not demanding. All you need is an Android phone or tablet running operating system Google Android 6.0 (Marshmallow, API level 23) 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 Android

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

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

Get expert security tips for your Android