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Avast Mobile Security for Android

Protect your mobile with award-winning free antivirus for Android. Scan and secure your device in real time against viruses and other malware, strengthen your privacy, and get faster performance from your phone.
Also available for PC, Mac, and iOS
100+ million installs
100% protection & usability score
Connect & browse with confidence
Keep your devices clean & running smoothly

Go further than malware and antivirus protection for Android

Scan your device for free with our best malware and virus cleaner for Android to date. Upgrade to use a VPN to shield your online privacy, plus browse safer online with anti-phishing technology and Wi-Fi network security. You can also lock specific apps or photos behind a PIN or fingerprint to better protect your sensitive data and more. Find out more below!

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.
Block malicious links and websites and flag sensitive ones on all browsers.
Verify the security of any Wi-Fi network.

The most common threats we detect and protect you from:

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.

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
Acquires privileged access to take over and control your device
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 via our Android antivirus app’s wide-ranging, in-built functionalities.
Secure your photos and apps using a PIN code, pattern, or fingerprint password.
Hide your online activity and access geo-restricted content with VPN.
Get an alert if any passwords connected to your email account have been part of a leak or hack.
Get privacy tips and advice with our step-by-step Privacy Advisor guides.
Free up storage space
Clean up junk files that may be hogging valuable space on your device to free up more for the things that matter most to you. Keep your Android device running as good as new, too.

Here’s what our users say

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.
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.

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