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+

installs

100%

Protection & Usability score

4.7

Stars on Google play

Protect privacy

Block Threats

Secure remotely

Enhance performance

Gain Insights

Protect your privacy

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

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

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

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

ProSecretly 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

Extend battery life by adjusting power-consuming Android settings

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

Avast Free Android Security

It's very useful. Working very smoothly.

Jineesh J.

Avast Free Android Security

It came highly recommended and for good reason.

Steve B.

Avast Free Android Security

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 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.