Avast Antivirus & Security provides a broad set of features including real-time protection against viruses, malware, and spyware. It also includes a firewall, VPN for secure browsing, Wi-Fi security scanning, app lock, photo vault, and anti-theft measures to ensure comprehensive device protection.

Yes, Avast Antivirus & Security offers a free version with essential features like virus scanning and real-time protection. For advanced features such as VPN, ad-blocking, and enhanced firewall protection, users need to subscribe to the premium version.

Designed to exert minimal impact, Avast Antivirus & Security runs efficiently in the background without slowing down your device. During full scans or updates, resource usage may temporarily increase, but it generally does not interfere with normal operations.

Avast Antivirus & Security supports a wide range of devices, including Android and iOS smartphones and tablets. It supports various operating system versions, but it is recommended to check specific requirements for full compatibility and optimal performance.

The interface is intuitive and user-friendly, designed for easy navigation. It features a clean layout with clearly labeled options and settings, making it accessible for both beginners and experienced users to manage security features effortlessly.