Best Antivirus and Security Apps for Android Phones — Avast and Avira 2026

Best Antivirus and Security Apps for Android Phones 2026

With the widespread use of Android and the availability of millions of apps from various sources, smartphones have become prime targets for viruses, malware, and malicious files. Installing a reliable antivirus app on your Android device is no longer optional — it is essential, especially if you download apps from outside Google Play or frequently connect to public Wi-Fi networks.

App 1: Avast Mobile Security

Avast Mobile Security is one of the most trusted antivirus apps globally for Android, used by hundreds of millions of people. It provides real-time protection against viruses, malware, and dangerous apps — scanning applications before installation to verify safety. It also includes Wi-Fi network scanning to detect security vulnerabilities in networks you connect to, and a remote lock and wipe feature in case your phone is lost or stolen. Available free on Google Play with a Premium version for advanced features.

App 2: Avira Antivirus Security

Avira Antivirus Security is another top-rated free antivirus for Android. It runs actively in the background, blocking threats before they enter your device — particularly during web browsing and app downloads. It supports full device scans as well as scanning external SD cards for threats.

General Security Tips for Android

Beyond antivirus software, follow these practices to keep your device safe: download apps only from the official Google Play Store; keep your OS and apps updated to patch security vulnerabilities; avoid clicking unknown links received via WhatsApp or SMS; and use a VPN when connecting to public Wi-Fi networks.